for (;;);{"error":null,"payload":{"timeline":"\u003cdiv class=\"phui-timeline-shell\" data-sigil=\"transaction anchor-container\" data-meta=\"0_50\"\u003e\u003cdiv class=\"phui-timeline-event-view phui-timeline-minor-event\"\u003e\u003cdiv class=\"phui-timeline-content\"\u003e\u003ca style=\"background-image: url(https:\/\/phab.wmfusercontent.org\/file\/data\/l2cg2zimvt2uq6xna6zg\/PHID-FILE-it2g7whiwxxkzdfzans5\/profile)\" class=\"visual-only phui-timeline-image\" href=\"\/p\/Lucas_Werkmeister_WMDE\/\" aria-hidden=\"true\"\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-wedge\" style=\"\"\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-group\"\u003e\u003ca name=\"3620956\" id=\"3620956\" class=\"phabricator-anchor-view\"\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-title phui-timeline-title-with-icon\"\u003e\u003cspan class=\"phui-timeline-icon-fill\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-pencil phui-timeline-icon\" data-meta=\"0_49\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003ca href=\"\/p\/Lucas_Werkmeister_WMDE\/\" class=\"phui-handle phui-link-person\" data-sigil=\"hovercard\" data-meta=\"0_0\"\u003eLucas_Werkmeister_WMDE\u003c\/a\u003e created this task.\u003cspan class=\"phui-timeline-extra\"\u003e\u003ca href=\"#3620956\" data-sigil=\"has-tooltip\" data-meta=\"0_48\"\u003e\u003cspan class=\"screen-only\"\u003eSep 20 2017, 12:33 PM\u003c\/span\u003e\u003cspan class=\"print-only\" aria-hidden=\"true\"\u003e2017-09-20 12:33:27 (UTC+0)\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-event-view phui-timeline-spacer\"\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-shell\" data-sigil=\"transaction anchor-container\" data-meta=\"0_53\"\u003e\u003cdiv class=\"phui-timeline-event-view phui-timeline-minor-event\"\u003e\u003cdiv class=\"phui-timeline-content\"\u003e\u003cdiv class=\"phui-timeline-wedge\" style=\"display: none;\"\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-group\"\u003e\u003ca name=\"3620969\" id=\"3620969\" class=\"phabricator-anchor-view\"\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-title phui-timeline-title-with-icon\"\u003e\u003cspan class=\"phui-timeline-icon-fill\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-user-plus phui-timeline-icon\" data-meta=\"0_52\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan class=\"phui-handle\" data-sigil=\"hovercard\" data-meta=\"0_7\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-lock lightgreytext\" data-meta=\"0_8\" aria-hidden=\"true\"\u003e\u003c\/span\u003eRestricted Application\u003c\/span\u003e added a subscriber: \u003ca href=\"\/p\/Aklapper\/\" class=\"phui-handle phui-link-person\" data-sigil=\"hovercard\" data-meta=\"0_9\"\u003eAklapper\u003c\/a\u003e. \u003cspan class=\"phui-timeline-extra-information\"\u003e \u00b7  \u003ca href=\"\/herald\/transcript\/2027918\/\"\u003eView Herald Transcript\u003c\/a\u003e\u003c\/span\u003e\u003cspan class=\"phui-timeline-extra\"\u003e\u003ca href=\"#3620969\" data-sigil=\"has-tooltip\" data-meta=\"0_51\"\u003e\u003cspan class=\"screen-only\"\u003eSep 20 2017, 12:33 PM\u003c\/span\u003e\u003cspan class=\"print-only\" aria-hidden=\"true\"\u003e2017-09-20 12:33:28 (UTC+0)\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-event-view phui-timeline-spacer\"\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-shell\" data-sigil=\"transaction anchor-container\" data-meta=\"0_64\"\u003e\u003cdiv class=\"phui-timeline-event-view phui-timeline-major-event\"\u003e\u003cdiv class=\"phui-timeline-content\"\u003e\u003ca style=\"background-image: url(https:\/\/phab.wmfusercontent.org\/file\/data\/l2cg2zimvt2uq6xna6zg\/PHID-FILE-it2g7whiwxxkzdfzans5\/profile)\" class=\"visual-only phui-timeline-image\" href=\"\/p\/Lucas_Werkmeister_WMDE\/\" aria-hidden=\"true\"\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-badges\"\u003e\u003cul class=\"phui-badge-flex-view grouped flex-view-collapsed \"\u003e\u003cli class=\"phui-badge-flex-item\"\u003e\u003ca class=\"phui-badge-mini phui-badge-mini-orange \" href=\"\/badges\/view\/5\/\" data-sigil=\"has-tooltip\" data-meta=\"0_62\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-rocket\" data-meta=\"0_63\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-wedge\" style=\"\"\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-group\"\u003e\u003cdiv class=\"phui-timeline-inner-content\"\u003e\u003ca name=\"3620970\" id=\"3620970\" class=\"phabricator-anchor-view\"\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-title phui-timeline-title-with-icon phui-timeline-title-with-menu\"\u003e\u003cspan class=\"phui-timeline-icon-fill\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-comment phui-timeline-icon\" data-meta=\"0_61\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003ca href=\"\/p\/Lucas_Werkmeister_WMDE\/\" class=\"phui-handle phui-link-person\" data-sigil=\"hovercard\" data-meta=\"0_10\"\u003eLucas_Werkmeister_WMDE\u003c\/a\u003e added a comment.\u003cspan class=\"phui-timeline-extra\"\u003e\u003ca href=\"#3620970\" data-sigil=\"has-tooltip\" data-meta=\"0_60\"\u003e\u003cspan class=\"screen-only\"\u003eSep 20 2017, 12:33 PM\u003c\/span\u003e\u003cspan class=\"print-only\" aria-hidden=\"true\"\u003e2017-09-20 12:33:37 (UTC+0)\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/div\u003e\u003ca href=\"#\" class=\"phui-timeline-menu\" aria-haspopup=\"true\" aria-expanded=\"false\" data-sigil=\"phui-dropdown-menu\" data-meta=\"0_58\"\u003e\u003cspan class=\"aural-only\"\u003eComment Actions\u003c\/span\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-caret-down\" data-meta=\"0_59\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-core-content\"\u003e\u003cspan class=\"transaction-comment\" data-sigil=\"transaction-comment\" data-meta=\"0_11\"\u003e\u003cdiv class=\"phabricator-remarkup\"\u003e\u003cp\u003eFor the wikidata-constraints test system (which doesn\u2019t have enough RAM to run BlazeGraph), I\u2019ve written a tiny server, \u003ca href=\"https:\/\/github.com\/lucaswerkmeister\/minisparql\" class=\"remarkup-link\" target=\"_blank\" rel=\"noreferrer\"\u003eminisparql\u003c\/a\u003e, which listens for \u003ctt class=\"remarkup-monospaced\"\u003eREGEX()\u003c\/tt\u003e SPARQL queries and evaluates them with PCRE. We could use a very similar service, except we can do away with the \u003ctt class=\"remarkup-monospaced\"\u003eSPARQL\u003c\/tt\u003e wrapping (e.\u202fg. have the regex and text on two lines), and then we can write the whole thing in PHP (I thought the regex-parsing part would be easier to do in Python, but then I learned that Python doesn\u2019t have built-in PCRE, so currently minisparql has Python run a PHP process just for \u003ctt class=\"remarkup-monospaced\"\u003epreg_match\u003c\/tt\u003e, which is of course a bit silly).\u003c\/p\u003e\n\n\u003cp\u003eminisparql is a systemd service and uses several systemd features:\u003c\/p\u003e\n\n\u003cul class=\"remarkup-list\"\u003e\n\u003cli class=\"remarkup-list-item\"\u003esocket activation\u003cul class=\"remarkup-list\"\u003e\n\u003cli class=\"remarkup-list-item\"\u003eminisparql doesn\u2019t have to handle any network stuff, systemd sets up the socket\u003c\/li\u003e\n\u003cli class=\"remarkup-list-item\"\u003einput on stdin and output on stdout\u003c\/li\u003e\n\u003cli class=\"remarkup-list-item\"\u003eone process per connection, so the sandbox (see below) is per-request automatically\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/li\u003e\n\u003cli class=\"remarkup-list-item\"\u003esandboxing\u003cul class=\"remarkup-list\"\u003e\n\u003cli class=\"remarkup-list-item\"\u003emax. 1 second of CPU time\u003c\/li\u003e\n\u003cli class=\"remarkup-list-item\"\u003eonly one extra process (the PHP, mentioned before; could be lowered to zero extra processes or threads when the whole thing is written in PHP)\u003c\/li\u003e\n\u003cli class=\"remarkup-list-item\"\u003erunning as \u003ctt class=\"remarkup-monospaced\"\u003enobody\u003c\/tt\u003e, no writing to the file system, no own networking, no \u003ctt class=\"remarkup-monospaced\"\u003esudo\u003c\/tt\u003e, etc.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eCould we deploy a service like this on the application servers so that there\u2019s no networking overhead?\u003c\/p\u003e\u003c\/div\u003e\u003c\/span\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-event-view phui-timeline-spacer\"\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-shell\" data-sigil=\"transaction anchor-container\" data-meta=\"0_67\"\u003e\u003cdiv class=\"phui-timeline-event-view phui-timeline-minor-event\"\u003e\u003cdiv class=\"phui-timeline-content\"\u003e\u003ca style=\"background-image: url(https:\/\/phab.wmfusercontent.org\/file\/data\/l2cg2zimvt2uq6xna6zg\/PHID-FILE-it2g7whiwxxkzdfzans5\/profile)\" class=\"visual-only phui-timeline-image\" href=\"\/p\/Lucas_Werkmeister_WMDE\/\" aria-hidden=\"true\"\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-wedge\" style=\"\"\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-group\"\u003e\u003ca name=\"3620973\" id=\"3620973\" class=\"phabricator-anchor-view\"\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-title phui-timeline-title-with-icon\"\u003e\u003cspan class=\"phui-timeline-icon-fill\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-link phui-timeline-icon\" data-meta=\"0_66\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003ca href=\"\/p\/Lucas_Werkmeister_WMDE\/\" class=\"phui-handle phui-link-person\" data-sigil=\"hovercard\" data-meta=\"0_12\"\u003eLucas_Werkmeister_WMDE\u003c\/a\u003e mentioned this in \u003ca href=\"\/T173696\" class=\"phui-handle handle-status-closed\" data-sigil=\"hovercard\" data-meta=\"0_13\"\u003eT173696: Cache format constraint check results\u003c\/a\u003e.\u003cspan class=\"phui-timeline-extra\"\u003e\u003ca href=\"#3620973\" data-sigil=\"has-tooltip\" data-meta=\"0_65\"\u003e\u003cspan class=\"screen-only\"\u003eSep 20 2017, 12:35 PM\u003c\/span\u003e\u003cspan class=\"print-only\" aria-hidden=\"true\"\u003e2017-09-20 12:35:09 (UTC+0)\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-event-view phui-timeline-spacer\"\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-shell\" data-sigil=\"transaction anchor-container\" data-meta=\"0_70\"\u003e\u003cdiv class=\"phui-timeline-event-view phui-timeline-minor-event\"\u003e\u003cdiv class=\"phui-timeline-content\"\u003e\u003ca style=\"background-image: url(https:\/\/phab.wmfusercontent.org\/file\/data\/q4xtskw4ul5dvrupkmqs\/PHID-FILE-ezxrezgeehrb4vjobxgz\/profile)\" class=\"visual-only phui-timeline-image\" href=\"\/p\/Krinkle\/\" aria-hidden=\"true\"\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-wedge\" style=\"\"\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-group\"\u003e\u003ca name=\"3621165\" id=\"3621165\" class=\"phabricator-anchor-view\"\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-title phui-timeline-title-with-icon\"\u003e\u003cspan class=\"phui-timeline-icon-fill\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-link phui-timeline-icon\" data-meta=\"0_69\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003ca href=\"\/p\/Krinkle\/\" class=\"phui-handle phui-link-person\" data-sigil=\"hovercard\" data-meta=\"0_14\"\u003eKrinkle\u003c\/a\u003e added a project: \u003ca href=\"\/tag\/techcom-rfc\/\" class=\"phui-handle handle-status-closed\" data-sigil=\"hovercard\" data-meta=\"0_15\"\u003eTechCom-RFC\u003c\/a\u003e.\u003cspan class=\"phui-timeline-extra\"\u003e\u003ca href=\"#3621165\" data-sigil=\"has-tooltip\" data-meta=\"0_68\"\u003e\u003cspan class=\"screen-only\"\u003eSep 20 2017, 1:53 PM\u003c\/span\u003e\u003cspan class=\"print-only\" aria-hidden=\"true\"\u003e2017-09-20 13:53:12 (UTC+0)\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-event-view phui-timeline-spacer\"\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-shell\" data-sigil=\"transaction anchor-container\" data-meta=\"0_73\"\u003e\u003cdiv class=\"phui-timeline-event-view phui-timeline-minor-event\"\u003e\u003cdiv class=\"phui-timeline-content\"\u003e\u003ca style=\"background-image: url(https:\/\/phab.wmfusercontent.org\/file\/data\/v5wmnfiaelrd6nztxd3a\/PHID-FILE-s57znldbv3qchtewuryd\/profile)\" class=\"visual-only phui-timeline-image\" href=\"\/p\/daniel\/\" aria-hidden=\"true\"\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-wedge\" style=\"\"\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-group\"\u003e\u003ca name=\"3622482\" id=\"3622482\" class=\"phabricator-anchor-view\"\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-title phui-timeline-title-with-icon\"\u003e\u003cspan class=\"phui-timeline-icon-fill\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-pencil phui-timeline-icon\" data-meta=\"0_72\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003ca href=\"\/p\/daniel\/\" class=\"phui-handle phui-link-person\" data-sigil=\"hovercard\" data-meta=\"0_16\"\u003edaniel\u003c\/a\u003e renamed this task from \u003cspan class=\"phui-timeline-value\"\u003eDon\u2019t check format constraint via SPARQL\u003c\/span\u003e to \u003cspan class=\"phui-timeline-value\"\u003eDon\u2019t check format constraint via SPARQL (safely evaluating user-provided regular expressions)\u003c\/span\u003e.\u003cspan class=\"phui-timeline-extra\"\u003e\u003ca href=\"#3622482\" data-sigil=\"has-tooltip\" data-meta=\"0_71\"\u003e\u003cspan class=\"screen-only\"\u003eSep 20 2017, 7:47 PM\u003c\/span\u003e\u003cspan class=\"print-only\" aria-hidden=\"true\"\u003e2017-09-20 19:47:06 (UTC+0)\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-event-view phui-timeline-spacer\"\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-shell\" data-sigil=\"transaction anchor-container\" data-meta=\"0_76\"\u003e\u003cdiv class=\"phui-timeline-event-view phui-timeline-minor-event\"\u003e\u003cdiv class=\"phui-timeline-content\"\u003e\u003ca style=\"background-image: url(https:\/\/phab.wmfusercontent.org\/file\/data\/4vfodng5xaao26r6l2bf\/PHID-FILE-2gvu7et6e6bs2cswr2hw\/profile)\" class=\"visual-only phui-timeline-image\" href=\"\/p\/Joe\/\" aria-hidden=\"true\"\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-wedge\" style=\"\"\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-group\"\u003e\u003ca name=\"3622584\" id=\"3622584\" class=\"phabricator-anchor-view\"\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-title phui-timeline-title-with-icon\"\u003e\u003cspan class=\"phui-timeline-icon-fill\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-user-plus phui-timeline-icon\" data-meta=\"0_75\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003ca href=\"\/p\/Joe\/\" class=\"phui-handle phui-link-person\" data-sigil=\"hovercard\" data-meta=\"0_17\"\u003eJoe\u003c\/a\u003e subscribed.\u003cspan class=\"phui-timeline-extra\"\u003e\u003ca href=\"#3622584\" data-sigil=\"has-tooltip\" data-meta=\"0_74\"\u003e\u003cspan class=\"screen-only\"\u003eSep 20 2017, 8:12 PM\u003c\/span\u003e\u003cspan class=\"print-only\" aria-hidden=\"true\"\u003e2017-09-20 20:12:21 (UTC+0)\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-event-view phui-timeline-spacer\"\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-shell\" data-sigil=\"transaction anchor-container\" data-meta=\"0_79\"\u003e\u003cdiv class=\"phui-timeline-event-view phui-timeline-minor-event\"\u003e\u003cdiv class=\"phui-timeline-content\"\u003e\u003ca style=\"background-image: url(https:\/\/phab.wmfusercontent.org\/file\/data\/v5wmnfiaelrd6nztxd3a\/PHID-FILE-s57znldbv3qchtewuryd\/profile)\" class=\"visual-only phui-timeline-image\" href=\"\/p\/daniel\/\" aria-hidden=\"true\"\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-wedge\" style=\"\"\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-group\"\u003e\u003ca name=\"3622705\" id=\"3622705\" class=\"phabricator-anchor-view\"\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-title phui-timeline-title-with-icon\"\u003e\u003cspan class=\"phui-timeline-icon-fill\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-columns phui-timeline-icon\" data-meta=\"0_78\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003ca href=\"\/p\/daniel\/\" class=\"phui-handle phui-link-person\" data-sigil=\"hovercard\" data-meta=\"0_18\"\u003edaniel\u003c\/a\u003e moved this task from \u003ca href=\"\/project\/board\/52\/\" class=\"phui-handle\" data-sigil=\"hovercard\" data-meta=\"0_19\"\u003eP1: Define\u003c\/a\u003e to \u003ca href=\"\/project\/board\/52\/\" class=\"phui-handle handle-status-closed\" data-sigil=\"hovercard\" data-meta=\"0_20\"\u003eOld\u003c\/a\u003e on the \u003ca href=\"\/tag\/techcom-rfc\/\" class=\"phui-handle handle-status-closed\" data-sigil=\"hovercard\" data-meta=\"0_21\"\u003eTechCom-RFC\u003c\/a\u003e board.\u003cspan class=\"phui-timeline-extra\"\u003e\u003ca href=\"#3622705\" data-sigil=\"has-tooltip\" data-meta=\"0_77\"\u003e\u003cspan class=\"screen-only\"\u003eSep 20 2017, 8:41 PM\u003c\/span\u003e\u003cspan class=\"print-only\" aria-hidden=\"true\"\u003e2017-09-20 20:41:38 (UTC+0)\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-event-view phui-timeline-spacer\"\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-shell\" data-sigil=\"transaction anchor-container\" data-meta=\"0_90\"\u003e\u003cdiv class=\"phui-timeline-event-view phui-timeline-major-event\"\u003e\u003cdiv class=\"phui-timeline-content\"\u003e\u003ca style=\"background-image: url(https:\/\/phab.wmfusercontent.org\/file\/data\/v5wmnfiaelrd6nztxd3a\/PHID-FILE-s57znldbv3qchtewuryd\/profile)\" class=\"visual-only phui-timeline-image\" href=\"\/p\/daniel\/\" aria-hidden=\"true\"\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-badges\"\u003e\u003cul class=\"phui-badge-flex-view grouped flex-view-collapsed \"\u003e\u003cli class=\"phui-badge-flex-item\"\u003e\u003ca class=\"phui-badge-mini phui-badge-mini-indigo \" href=\"\/badges\/view\/14\/\" data-sigil=\"has-tooltip\" data-meta=\"0_88\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-empire\" data-meta=\"0_89\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-wedge\" style=\"\"\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-group\"\u003e\u003cdiv class=\"phui-timeline-inner-content\"\u003e\u003ca name=\"3622758\" id=\"3622758\" class=\"phabricator-anchor-view\"\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-title phui-timeline-title-with-icon phui-timeline-title-with-menu\"\u003e\u003cspan class=\"phui-timeline-icon-fill\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-user-plus phui-timeline-icon\" data-meta=\"0_87\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003ca href=\"\/p\/daniel\/\" class=\"phui-handle phui-link-person\" data-sigil=\"hovercard\" data-meta=\"0_22\"\u003edaniel\u003c\/a\u003e added subscribers: \u003ca href=\"\/p\/GWicke\/\" class=\"phui-handle handle-availability-disabled phui-link-person\" data-sigil=\"hovercard\" data-meta=\"0_23\"\u003e\u003cspan class=\"perfect-circle\"\u003e\u2022\u003c\/span\u003e GWicke\u003c\/a\u003e, \u003ca href=\"\/p\/daniel\/\" class=\"phui-handle phui-link-person\" data-sigil=\"hovercard\" data-meta=\"0_24\"\u003edaniel\u003c\/a\u003e.\u003cspan class=\"phui-timeline-extra\"\u003e\u003ca href=\"#3622758\" data-sigil=\"has-tooltip\" data-meta=\"0_86\"\u003e\u003cspan class=\"screen-only\"\u003eSep 20 2017, 8:48 PM\u003c\/span\u003e\u003cspan class=\"print-only\" aria-hidden=\"true\"\u003e2017-09-20 20:48:46 (UTC+0)\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/div\u003e\u003ca href=\"#\" class=\"phui-timeline-menu\" aria-haspopup=\"true\" aria-expanded=\"false\" data-sigil=\"phui-dropdown-menu\" data-meta=\"0_84\"\u003e\u003cspan class=\"aural-only\"\u003eComment Actions\u003c\/span\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-caret-down\" data-meta=\"0_85\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-core-content\"\u003e\u003cspan class=\"transaction-comment\" data-sigil=\"transaction-comment\" data-meta=\"0_25\"\u003e\u003cdiv class=\"phabricator-remarkup\"\u003e\u003cp\u003e\u003ca href=\"\/p\/GWicke\/\" class=\"phui-tag-view phui-tag-type-person \" data-sigil=\"hovercard\" data-meta=\"0_2\"\u003e\u003cspan class=\"phui-tag-core phui-tag-color-person\"\u003e\u003cspan class=\"phui-tag-dot phui-tag-color-grey\"\u003e\u003c\/span\u003e@GWicke\u003c\/span\u003e\u003c\/a\u003e suggest looking into RE2 \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/RE2_(software)\" class=\"remarkup-link\" target=\"_blank\" rel=\"noreferrer\"\u003ehttps:\/\/en.wikipedia.org\/wiki\/RE2_(software)\u003c\/a\u003e\u003c\/p\u003e\u003c\/div\u003e\u003c\/span\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-event-view phui-timeline-spacer\"\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-shell\" data-sigil=\"transaction anchor-container\" data-meta=\"0_99\"\u003e\u003cdiv class=\"phui-timeline-event-view phui-timeline-major-event\"\u003e\u003cdiv class=\"phui-timeline-content\"\u003e\u003ca style=\"background-image: url(https:\/\/phab.wmfusercontent.org\/file\/data\/xgl3wy55ovinfnucvwhx\/PHID-FILE-zocnksypiqutzf5oubpi\/profile)\" class=\"visual-only phui-timeline-image\" href=\"\/p\/tstarling\/\" aria-hidden=\"true\"\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-wedge\" style=\"\"\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-group\"\u003e\u003cdiv class=\"phui-timeline-inner-content\"\u003e\u003ca name=\"3622995\" id=\"3622995\" class=\"phabricator-anchor-view\"\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-title phui-timeline-title-with-icon phui-timeline-title-with-menu\"\u003e\u003cspan class=\"phui-timeline-icon-fill\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-user-plus phui-timeline-icon\" data-meta=\"0_98\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003ca href=\"\/p\/tstarling\/\" class=\"phui-handle phui-link-person\" data-sigil=\"hovercard\" data-meta=\"0_27\"\u003etstarling\u003c\/a\u003e subscribed.\u003cspan class=\"phui-timeline-extra\"\u003e\u003ca href=\"#3622995\" data-sigil=\"has-tooltip\" data-meta=\"0_97\"\u003e\u003cspan class=\"screen-only\"\u003eSep 20 2017, 10:02 PM\u003c\/span\u003e\u003cspan class=\"print-only\" aria-hidden=\"true\"\u003e2017-09-20 22:02:52 (UTC+0)\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/div\u003e\u003ca href=\"#\" class=\"phui-timeline-menu\" aria-haspopup=\"true\" aria-expanded=\"false\" data-sigil=\"phui-dropdown-menu\" data-meta=\"0_95\"\u003e\u003cspan class=\"aural-only\"\u003eComment Actions\u003c\/span\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-caret-down\" data-meta=\"0_96\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-core-content\"\u003e\u003cspan class=\"transaction-comment\" data-sigil=\"transaction-comment\" data-meta=\"0_26\"\u003e\u003cdiv class=\"phabricator-remarkup\"\u003e\u003cp\u003eIf you just want an approximately PCRE-like syntax, you could just translate the regex to a Lua pattern. Scribunto has equivalent code going in the other direction, in Scribunto_LuaUstringLibrary::patternToRegex(), which you could look at for ideas. Obviously you would be implementing a subset of PCRE features.\u003c\/p\u003e\n\n\u003cp\u003eThe nice thing about Lua patterns is that I've reviewed the code and patched out the DoS vulnerabilities. I don't think there are many other regex libraries which have been verified as safe for arbitrary user input, with limited time and memory.\u003c\/p\u003e\u003c\/div\u003e\u003c\/span\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-event-view phui-timeline-spacer\"\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-shell\" data-sigil=\"transaction anchor-container\" data-meta=\"0_108\"\u003e\u003cdiv class=\"phui-timeline-event-view phui-timeline-major-event\"\u003e\u003cdiv class=\"phui-timeline-content\"\u003e\u003ca style=\"background-image: url(https:\/\/phab.wmfusercontent.org\/file\/data\/ipcbt6bwwnsb4dxy7vm4\/PHID-FILE-ikenvecspc2h46fgu3zt\/profile-ring_image.jpg)\" class=\"visual-only phui-timeline-image\" href=\"\/p\/Smalyshev\/\" aria-hidden=\"true\"\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-wedge\" style=\"\"\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-group\"\u003e\u003cdiv class=\"phui-timeline-inner-content\"\u003e\u003ca name=\"3625254\" id=\"3625254\" class=\"phabricator-anchor-view\"\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-title phui-timeline-title-with-icon phui-timeline-title-with-menu\"\u003e\u003cspan class=\"phui-timeline-icon-fill\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-user-plus phui-timeline-icon\" data-meta=\"0_107\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003ca href=\"\/p\/Smalyshev\/\" class=\"phui-handle phui-link-person\" data-sigil=\"hovercard\" data-meta=\"0_29\"\u003eSmalyshev\u003c\/a\u003e subscribed.\u003cspan class=\"phui-timeline-extra\"\u003e\u003ca href=\"#3625254\" data-sigil=\"has-tooltip\" data-meta=\"0_106\"\u003e\u003cspan class=\"screen-only\"\u003eSep 21 2017, 6:16 PM\u003c\/span\u003e\u003cspan class=\"print-only\" aria-hidden=\"true\"\u003e2017-09-21 18:16:35 (UTC+0)\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/div\u003e\u003ca href=\"#\" class=\"phui-timeline-menu\" aria-haspopup=\"true\" aria-expanded=\"false\" data-sigil=\"phui-dropdown-menu\" data-meta=\"0_104\"\u003e\u003cspan class=\"aural-only\"\u003eComment Actions\u003c\/span\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-caret-down\" data-meta=\"0_105\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-core-content\"\u003e\u003cspan class=\"transaction-comment\" data-sigil=\"transaction-comment\" data-meta=\"0_28\"\u003e\u003cdiv class=\"phabricator-remarkup\"\u003e\u003cblockquote\u003e\u003cp\u003eI don't think there are many other regex libraries which have been verified as safe for arbitrary user input, with limited time and memory.\u003c\/p\u003e\u003c\/blockquote\u003e\n\n\u003cp\u003ePCRE is probably not one, especially pcre+PHP, I've seen a bunch of issues there. Also I think full PCRE is way over-powered for what we need here, and subsequently the attack area is much wider. It is also not too hard to get PCRE into pathological behavior time- and memory-wise, given control over regexp and string. Java regexps also suffer from the same problems, but I've added mitigation for it to WDQS lately.\u003c\/p\u003e\n\n\u003cp\u003eIf we run PCRE on user-supplied regexps, we should either sanitize them (no idea how), or run them in very tightly sequestered environment, if we're running PHP+PCRE essentially assuming we're running a hostile code. That seems to be kind of dangerous, so we should be very careful here.\u003c\/p\u003e\u003c\/div\u003e\u003c\/span\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-event-view phui-timeline-spacer\"\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-shell\" data-sigil=\"transaction anchor-container\" data-meta=\"0_119\"\u003e\u003cdiv class=\"phui-timeline-event-view phui-timeline-major-event\"\u003e\u003cdiv class=\"phui-timeline-content\"\u003e\u003ca style=\"background-image: url(https:\/\/phab.wmfusercontent.org\/file\/data\/ms665yc73j6nadjitytk\/PHID-FILE-mocohumlrcbe2lcuplml\/profile)\" class=\"visual-only phui-timeline-image\" href=\"\/p\/Anomie\/\" aria-hidden=\"true\"\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-badges\"\u003e\u003cul class=\"phui-badge-flex-view grouped flex-view-collapsed \"\u003e\u003cli class=\"phui-badge-flex-item\"\u003e\u003ca class=\"phui-badge-mini phui-badge-mini-orange \" href=\"\/badges\/view\/5\/\" data-sigil=\"has-tooltip\" data-meta=\"0_117\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-rocket\" data-meta=\"0_118\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-wedge\" style=\"\"\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-group\"\u003e\u003cdiv class=\"phui-timeline-inner-content\"\u003e\u003ca name=\"3625405\" id=\"3625405\" class=\"phabricator-anchor-view\"\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-title phui-timeline-title-with-icon phui-timeline-title-with-menu\"\u003e\u003cspan class=\"phui-timeline-icon-fill\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-user-plus phui-timeline-icon\" data-meta=\"0_116\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003ca href=\"\/p\/Anomie\/\" class=\"phui-handle phui-link-person\" data-sigil=\"hovercard\" data-meta=\"0_31\"\u003eAnomie\u003c\/a\u003e subscribed.\u003cspan class=\"phui-timeline-extra\"\u003e\u003ca href=\"#3625405\" data-sigil=\"has-tooltip\" data-meta=\"0_115\"\u003e\u003cspan class=\"screen-only\"\u003eSep 21 2017, 7:48 PM\u003c\/span\u003e\u003cspan class=\"print-only\" aria-hidden=\"true\"\u003e2017-09-21 19:48:40 (UTC+0)\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/div\u003e\u003ca href=\"#\" class=\"phui-timeline-menu\" aria-haspopup=\"true\" aria-expanded=\"false\" data-sigil=\"phui-dropdown-menu\" data-meta=\"0_113\"\u003e\u003cspan class=\"aural-only\"\u003eComment Actions\u003c\/span\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-caret-down\" data-meta=\"0_114\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-core-content\"\u003e\u003cspan class=\"transaction-comment\" data-sigil=\"transaction-comment\" data-meta=\"0_30\"\u003e\u003cdiv class=\"phabricator-remarkup\"\u003e\u003cblockquote\u003e\u003cp\u003eLua\u2019s regexes\u003c\/p\u003e\u003c\/blockquote\u003e\n\n\u003cp\u003eOne item of note is that Lua's patterns don't support \u003ca href=\"https:\/\/en.wikipedia.org\/wiki\/Regular_expression#Formal_definition\" class=\"remarkup-link\" target=\"_blank\" rel=\"noreferrer\"\u003ebasic regex features\u003c\/a\u003e such as general alternation (only alternation over a set of single characters) or applying the Kleene star to arbitrary subpatterns (only to single characters or character sets). There's no straightforward way to do something like \u003ctt class=\"remarkup-monospaced\"\u003e\/foo(abc|def)bar\/\u003c\/tt\u003e or \u003ctt class=\"remarkup-monospaced\"\u003e\/f(oo)*\/\u003c\/tt\u003e in Lua patterns.\u003c\/p\u003e\u003c\/div\u003e\u003c\/span\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-event-view phui-timeline-spacer\"\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-shell\" data-sigil=\"transaction anchor-container\" data-meta=\"0_130\"\u003e\u003cdiv class=\"phui-timeline-event-view phui-timeline-major-event\"\u003e\u003cdiv class=\"phui-timeline-content\"\u003e\u003ca style=\"background-image: url(https:\/\/phab.wmfusercontent.org\/file\/data\/l2cg2zimvt2uq6xna6zg\/PHID-FILE-it2g7whiwxxkzdfzans5\/profile)\" class=\"visual-only phui-timeline-image\" href=\"\/p\/Lucas_Werkmeister_WMDE\/\" aria-hidden=\"true\"\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-badges\"\u003e\u003cul class=\"phui-badge-flex-view grouped flex-view-collapsed \"\u003e\u003cli class=\"phui-badge-flex-item\"\u003e\u003ca class=\"phui-badge-mini phui-badge-mini-orange \" href=\"\/badges\/view\/5\/\" data-sigil=\"has-tooltip\" data-meta=\"0_128\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-rocket\" data-meta=\"0_129\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-wedge\" style=\"\"\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-group\"\u003e\u003cdiv class=\"phui-timeline-inner-content\"\u003e\u003ca name=\"3626696\" id=\"3626696\" class=\"phabricator-anchor-view\"\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-title phui-timeline-title-with-icon phui-timeline-title-with-menu\"\u003e\u003cspan class=\"phui-timeline-icon-fill\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-comment phui-timeline-icon\" data-meta=\"0_127\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003ca href=\"\/p\/Lucas_Werkmeister_WMDE\/\" class=\"phui-handle phui-link-person\" data-sigil=\"hovercard\" data-meta=\"0_32\"\u003eLucas_Werkmeister_WMDE\u003c\/a\u003e added a comment.\u003cspan class=\"phui-timeline-extra\"\u003e\u003ca href=\"#3626696\" data-sigil=\"has-tooltip\" data-meta=\"0_126\"\u003e\u003cspan class=\"screen-only\"\u003eSep 22 2017, 11:32 AM\u003c\/span\u003e\u003cspan class=\"print-only\" aria-hidden=\"true\"\u003e2017-09-22 11:32:01 (UTC+0)\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/div\u003e\u003ca href=\"#\" class=\"phui-timeline-menu\" aria-haspopup=\"true\" aria-expanded=\"false\" data-sigil=\"phui-dropdown-menu\" data-meta=\"0_124\"\u003e\u003cspan class=\"aural-only\"\u003eComment Actions\u003c\/span\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-caret-down\" data-meta=\"0_125\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-core-content\"\u003e\u003cspan class=\"transaction-comment\" data-sigil=\"transaction-comment\" data-meta=\"0_33\"\u003e\u003cdiv class=\"phabricator-remarkup\"\u003e\u003cp\u003eRE2 sounds nice\u2026 we could probably live without backreferences. But we\u2019d need some way to use RE2 in PHP.\u003c\/p\u003e\n\n\u003cp\u003eI don\u2019t think Lua patterns are powerful enough to check format constraints. There are a lot of format constraints on Wikidata already, many of them fairly complicated to match weird identifier formats from all kinds of organizations, and at least general alternation is used by a lot of them.\u003c\/p\u003e\n\n\u003cp\u003eFor best compatibility with KrBot (a community-run bot that also checks constraints on Wikidata, and uses PCRE for regexes), I would strongly prefer using PCRE, in a very restricted environment of course.\u003c\/p\u003e\u003c\/div\u003e\u003c\/span\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-event-view phui-timeline-spacer\"\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-shell\" data-sigil=\"transaction anchor-container\" data-meta=\"0_142\"\u003e\u003cdiv class=\"phui-timeline-event-view phui-timeline-major-event\"\u003e\u003cdiv class=\"phui-timeline-content\"\u003e\u003ca style=\"background-image: url(https:\/\/phab.wmfusercontent.org\/file\/data\/v5wmnfiaelrd6nztxd3a\/PHID-FILE-s57znldbv3qchtewuryd\/profile)\" class=\"visual-only phui-timeline-image\" href=\"\/p\/daniel\/\" aria-hidden=\"true\"\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-badges\"\u003e\u003cul class=\"phui-badge-flex-view grouped flex-view-collapsed \"\u003e\u003cli class=\"phui-badge-flex-item\"\u003e\u003ca class=\"phui-badge-mini phui-badge-mini-indigo \" href=\"\/badges\/view\/14\/\" data-sigil=\"has-tooltip\" data-meta=\"0_140\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-empire\" data-meta=\"0_141\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-wedge\" style=\"\"\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-group\"\u003e\u003cdiv class=\"phui-timeline-inner-content\"\u003e\u003ca name=\"3627055\" id=\"3627055\" class=\"phabricator-anchor-view\"\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-title phui-timeline-title-with-icon phui-timeline-title-with-menu\"\u003e\u003cspan class=\"phui-timeline-icon-fill\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-comment phui-timeline-icon\" data-meta=\"0_139\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003ca href=\"\/p\/daniel\/\" class=\"phui-handle phui-link-person\" data-sigil=\"hovercard\" data-meta=\"0_34\"\u003edaniel\u003c\/a\u003e added a comment.\u003cspan class=\"phui-timeline-extra\"\u003eEdited\u003cspan class=\"visual-only\" aria-hidden=\"true\"\u003e \u00b7 \u003c\/span\u003e\u003ca href=\"#3627055\" data-sigil=\"has-tooltip\" data-meta=\"0_138\"\u003e\u003cspan class=\"screen-only\"\u003eSep 22 2017, 1:40 PM\u003c\/span\u003e\u003cspan class=\"print-only\" aria-hidden=\"true\"\u003e2017-09-22 13:40:19 (UTC+0)\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/div\u003e\u003ca href=\"#\" class=\"phui-timeline-menu\" aria-haspopup=\"true\" aria-expanded=\"false\" data-sigil=\"phui-dropdown-menu\" data-meta=\"0_136\"\u003e\u003cspan class=\"aural-only\"\u003eComment Actions\u003c\/span\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-caret-down\" data-meta=\"0_137\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-core-content\"\u003e\u003cspan class=\"transaction-comment\" data-sigil=\"transaction-comment\" data-meta=\"0_35\"\u003e\u003cdiv class=\"phabricator-remarkup\"\u003e\u003cblockquote class=\"remarkup-reply-block\"\u003e\n\u003cdiv class=\"remarkup-reply-head\"\u003eIn \u003ca href=\"\/T176312#3626696\" class=\"phui-tag-view phui-tag-type-object \" data-sigil=\"hovercard\" data-meta=\"0_3\"\u003e\u003cspan class=\"phui-tag-core-closed\"\u003e\u003cspan class=\"phui-tag-core phui-tag-color-object\"\u003eT176312#3626696\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e, \u003ca href=\"\/p\/Lucas_Werkmeister_WMDE\/\" class=\"phui-tag-view phui-tag-type-person \" data-sigil=\"hovercard\" data-meta=\"0_4\"\u003e\u003cspan class=\"phui-tag-core phui-tag-color-person\"\u003e@Lucas_Werkmeister_WMDE\u003c\/span\u003e\u003c\/a\u003e wrote:\u003c\/div\u003e\n\u003cdiv class=\"remarkup-reply-body\"\u003e\u003cp\u003eRE2 sounds nice\u2026 we could probably live without backreferences. But we\u2019d need some way to use RE2 in PHP.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/blockquote\u003e\n\n\u003cp\u003eThere seems to be an old attempt to create a php module for it: \u003ca href=\"https:\/\/github.com\/arraypad\/php-re2\" class=\"remarkup-link\" target=\"_blank\" rel=\"noreferrer\"\u003ehttps:\/\/github.com\/arraypad\/php-re2\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf that isn't maintained or sufficient, we can create one ourselves. WMF already maintains a couple of PHP modules to provide access to the world of C++, so that seems feasible. Johannes has recently worked on one of these modules, namely wikidiff2.\u003c\/p\u003e\u003c\/div\u003e\u003c\/span\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-event-view phui-timeline-spacer\"\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-shell\" data-sigil=\"transaction anchor-container\" data-meta=\"0_153\"\u003e\u003cdiv class=\"phui-timeline-event-view phui-timeline-major-event\"\u003e\u003cdiv class=\"phui-timeline-content\"\u003e\u003ca style=\"background-image: url(https:\/\/phab.wmfusercontent.org\/file\/data\/4vfodng5xaao26r6l2bf\/PHID-FILE-2gvu7et6e6bs2cswr2hw\/profile)\" class=\"visual-only phui-timeline-image\" href=\"\/p\/Joe\/\" aria-hidden=\"true\"\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-badges\"\u003e\u003cul class=\"phui-badge-flex-view grouped flex-view-collapsed \"\u003e\u003cli class=\"phui-badge-flex-item\"\u003e\u003ca class=\"phui-badge-mini phui-badge-mini-orange \" href=\"\/badges\/view\/17\/\" data-sigil=\"has-tooltip\" data-meta=\"0_151\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-rocket\" data-meta=\"0_152\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-wedge\" style=\"\"\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-group\"\u003e\u003cdiv class=\"phui-timeline-inner-content\"\u003e\u003ca name=\"3630750\" id=\"3630750\" class=\"phabricator-anchor-view\"\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-title phui-timeline-title-with-icon phui-timeline-title-with-menu\"\u003e\u003cspan class=\"phui-timeline-icon-fill\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-comment phui-timeline-icon\" data-meta=\"0_150\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003ca href=\"\/p\/Joe\/\" class=\"phui-handle phui-link-person\" data-sigil=\"hovercard\" data-meta=\"0_36\"\u003eJoe\u003c\/a\u003e added a comment.\u003cspan class=\"phui-timeline-extra\"\u003e\u003ca href=\"#3630750\" data-sigil=\"has-tooltip\" data-meta=\"0_149\"\u003e\u003cspan class=\"screen-only\"\u003eSep 25 2017, 6:30 AM\u003c\/span\u003e\u003cspan class=\"print-only\" aria-hidden=\"true\"\u003e2017-09-25 06:30:27 (UTC+0)\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/div\u003e\u003ca href=\"#\" class=\"phui-timeline-menu\" aria-haspopup=\"true\" aria-expanded=\"false\" data-sigil=\"phui-dropdown-menu\" data-meta=\"0_147\"\u003e\u003cspan class=\"aural-only\"\u003eComment Actions\u003c\/span\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-caret-down\" data-meta=\"0_148\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-core-content\"\u003e\u003cspan class=\"transaction-comment\" data-sigil=\"transaction-comment\" data-meta=\"0_37\"\u003e\u003cdiv class=\"phabricator-remarkup\"\u003e\u003cp\u003eI think re2 seems like an interesting candidate. I would argue we still want to have a separate microservice running on a separate cluster from MediaWiki, for security reasons, and I would think it could be used to run the regular expression validations as well.\u003c\/p\u003e\n\n\u003cp\u003eAIUI, this would be called when editing, so a few milliseconds of overhead of the network call would not hurt.\u003c\/p\u003e\n\n\u003cp\u003eThat would free you from the need of support of that regex engine in PHP.\u003c\/p\u003e\u003c\/div\u003e\u003c\/span\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-event-view phui-timeline-spacer\"\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-shell\" data-sigil=\"transaction anchor-container\" data-meta=\"0_164\"\u003e\u003cdiv class=\"phui-timeline-event-view phui-timeline-major-event\"\u003e\u003cdiv class=\"phui-timeline-content\"\u003e\u003ca style=\"background-image: url(https:\/\/phab.wmfusercontent.org\/file\/data\/l2cg2zimvt2uq6xna6zg\/PHID-FILE-it2g7whiwxxkzdfzans5\/profile)\" class=\"visual-only phui-timeline-image\" href=\"\/p\/Lucas_Werkmeister_WMDE\/\" aria-hidden=\"true\"\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-badges\"\u003e\u003cul class=\"phui-badge-flex-view grouped flex-view-collapsed \"\u003e\u003cli class=\"phui-badge-flex-item\"\u003e\u003ca class=\"phui-badge-mini phui-badge-mini-orange \" href=\"\/badges\/view\/5\/\" data-sigil=\"has-tooltip\" data-meta=\"0_162\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-rocket\" data-meta=\"0_163\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-wedge\" style=\"\"\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-group\"\u003e\u003cdiv class=\"phui-timeline-inner-content\"\u003e\u003ca name=\"3630934\" id=\"3630934\" class=\"phabricator-anchor-view\"\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-title phui-timeline-title-with-icon phui-timeline-title-with-menu\"\u003e\u003cspan class=\"phui-timeline-icon-fill\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-comment phui-timeline-icon\" data-meta=\"0_161\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003ca href=\"\/p\/Lucas_Werkmeister_WMDE\/\" class=\"phui-handle phui-link-person\" data-sigil=\"hovercard\" data-meta=\"0_38\"\u003eLucas_Werkmeister_WMDE\u003c\/a\u003e added a comment.\u003cspan class=\"phui-timeline-extra\"\u003e\u003ca href=\"#3630934\" data-sigil=\"has-tooltip\" data-meta=\"0_160\"\u003e\u003cspan class=\"screen-only\"\u003eSep 25 2017, 9:13 AM\u003c\/span\u003e\u003cspan class=\"print-only\" aria-hidden=\"true\"\u003e2017-09-25 09:13:35 (UTC+0)\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/div\u003e\u003ca href=\"#\" class=\"phui-timeline-menu\" aria-haspopup=\"true\" aria-expanded=\"false\" data-sigil=\"phui-dropdown-menu\" data-meta=\"0_158\"\u003e\u003cspan class=\"aural-only\"\u003eComment Actions\u003c\/span\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-caret-down\" data-meta=\"0_159\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-core-content\"\u003e\u003cspan class=\"transaction-comment\" data-sigil=\"transaction-comment\" data-meta=\"0_39\"\u003e\u003cdiv class=\"phabricator-remarkup\"\u003e\u003cblockquote\u003e\u003cp\u003eAIUI, this would be called when editing\u003c\/p\u003e\u003c\/blockquote\u003e\n\n\u003cp\u003eNot quite \u2013 constraint checks (including the \u201cformat\u201d constraint) are currently run when a user who has enabled the \u003cem\u003echeckConstraints\u003c\/em\u003e gadget views an entity page or saves a statement. (And we plan to enable that gadget by default soon.) And constraint checking for one entity may include dozens of regex checks, especially once we start checking qualifiers and references too.\u003c\/p\u003e\n\n\u003cp\u003eIf we\u2019re going to check the regexes on a microservice, then we might as well use PCRE IMHO, for compatibility\u2019s sake. I don\u2019t think any of the regular regexes on Wikidata result in catastrophic runtime behavior, so if that risk is already mitigated by the microservice, I don\u2019t think we need the extra protection+restrictions of RE2.\u003c\/p\u003e\u003c\/div\u003e\u003c\/span\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-event-view phui-timeline-spacer\"\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-shell\" data-sigil=\"transaction anchor-container\" data-meta=\"0_175\"\u003e\u003cdiv class=\"phui-timeline-event-view phui-timeline-major-event\"\u003e\u003cdiv class=\"phui-timeline-content\"\u003e\u003ca style=\"background-image: url(https:\/\/phab.wmfusercontent.org\/file\/data\/v5wmnfiaelrd6nztxd3a\/PHID-FILE-s57znldbv3qchtewuryd\/profile)\" class=\"visual-only phui-timeline-image\" href=\"\/p\/daniel\/\" aria-hidden=\"true\"\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-badges\"\u003e\u003cul class=\"phui-badge-flex-view grouped flex-view-collapsed \"\u003e\u003cli class=\"phui-badge-flex-item\"\u003e\u003ca class=\"phui-badge-mini phui-badge-mini-indigo \" href=\"\/badges\/view\/14\/\" data-sigil=\"has-tooltip\" data-meta=\"0_173\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-empire\" data-meta=\"0_174\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-wedge\" style=\"\"\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-group\"\u003e\u003cdiv class=\"phui-timeline-inner-content\"\u003e\u003ca name=\"3632352\" id=\"3632352\" class=\"phabricator-anchor-view\"\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-title phui-timeline-title-with-icon phui-timeline-title-with-menu\"\u003e\u003cspan class=\"phui-timeline-icon-fill\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-comment phui-timeline-icon\" data-meta=\"0_172\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003ca href=\"\/p\/daniel\/\" class=\"phui-handle phui-link-person\" data-sigil=\"hovercard\" data-meta=\"0_40\"\u003edaniel\u003c\/a\u003e added a comment.\u003cspan class=\"phui-timeline-extra\"\u003e\u003ca href=\"#3632352\" data-sigil=\"has-tooltip\" data-meta=\"0_171\"\u003e\u003cspan class=\"screen-only\"\u003eSep 25 2017, 3:33 PM\u003c\/span\u003e\u003cspan class=\"print-only\" aria-hidden=\"true\"\u003e2017-09-25 15:33:00 (UTC+0)\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/div\u003e\u003ca href=\"#\" class=\"phui-timeline-menu\" aria-haspopup=\"true\" aria-expanded=\"false\" data-sigil=\"phui-dropdown-menu\" data-meta=\"0_169\"\u003e\u003cspan class=\"aural-only\"\u003eComment Actions\u003c\/span\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-caret-down\" data-meta=\"0_170\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-core-content\"\u003e\u003cspan class=\"transaction-comment\" data-sigil=\"transaction-comment\" data-meta=\"0_41\"\u003e\u003cdiv class=\"phabricator-remarkup\"\u003e\u003cblockquote class=\"remarkup-reply-block\"\u003e\n\u003cdiv class=\"remarkup-reply-head\"\u003eIn \u003ca href=\"\/T176312#3630934\" class=\"phui-tag-view phui-tag-type-object \" data-sigil=\"hovercard\" data-meta=\"0_5\"\u003e\u003cspan class=\"phui-tag-core-closed\"\u003e\u003cspan class=\"phui-tag-core phui-tag-color-object\"\u003eT176312#3630934\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e, \u003ca href=\"\/p\/Lucas_Werkmeister_WMDE\/\" class=\"phui-tag-view phui-tag-type-person \" data-sigil=\"hovercard\" data-meta=\"0_6\"\u003e\u003cspan class=\"phui-tag-core phui-tag-color-person\"\u003e@Lucas_Werkmeister_WMDE\u003c\/span\u003e\u003c\/a\u003e wrote:\u003c\/div\u003e\n\u003cdiv class=\"remarkup-reply-body\"\u003e\u003cp\u003eIf we\u2019re going to check the regexes on a microservice, then we might as well use PCRE IMHO, for compatibility\u2019s sake. I don\u2019t think any of the regular regexes on Wikidata result in catastrophic runtime behavior, so if that risk is already mitigated by the microservice, I don\u2019t think we need the extra protection+restrictions of RE2.\u003c\/p\u003e\u003c\/div\u003e\n\u003c\/blockquote\u003e\n\n\u003cp\u003eThat would allow an attacker user to bring down the microservice using a regex crafted for catastrophic backtracking. This is not just about protection against ignorance, it's also about protection against malice.\u003c\/p\u003e\n\n\u003cp\u003eOf course, bringing down just that service is a lot better than bringing down the application server. But still, if we can protect against that, we should.\u003c\/p\u003e\u003c\/div\u003e\u003c\/span\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-event-view phui-timeline-spacer\"\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-shell\" data-sigil=\"transaction anchor-container\" data-meta=\"0_186\"\u003e\u003cdiv class=\"phui-timeline-event-view phui-timeline-major-event\"\u003e\u003cdiv class=\"phui-timeline-content\"\u003e\u003ca style=\"background-image: url(https:\/\/phab.wmfusercontent.org\/file\/data\/l2cg2zimvt2uq6xna6zg\/PHID-FILE-it2g7whiwxxkzdfzans5\/profile)\" class=\"visual-only phui-timeline-image\" href=\"\/p\/Lucas_Werkmeister_WMDE\/\" aria-hidden=\"true\"\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-badges\"\u003e\u003cul class=\"phui-badge-flex-view grouped flex-view-collapsed \"\u003e\u003cli class=\"phui-badge-flex-item\"\u003e\u003ca class=\"phui-badge-mini phui-badge-mini-orange \" href=\"\/badges\/view\/5\/\" data-sigil=\"has-tooltip\" data-meta=\"0_184\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-rocket\" data-meta=\"0_185\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-wedge\" style=\"\"\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-group\"\u003e\u003cdiv class=\"phui-timeline-inner-content\"\u003e\u003ca name=\"3632416\" id=\"3632416\" class=\"phabricator-anchor-view\"\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-title phui-timeline-title-with-icon phui-timeline-title-with-menu\"\u003e\u003cspan class=\"phui-timeline-icon-fill\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-comment phui-timeline-icon\" data-meta=\"0_183\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003ca href=\"\/p\/Lucas_Werkmeister_WMDE\/\" class=\"phui-handle phui-link-person\" data-sigil=\"hovercard\" data-meta=\"0_42\"\u003eLucas_Werkmeister_WMDE\u003c\/a\u003e added a comment.\u003cspan class=\"phui-timeline-extra\"\u003e\u003ca href=\"#3632416\" data-sigil=\"has-tooltip\" data-meta=\"0_182\"\u003e\u003cspan class=\"screen-only\"\u003eSep 25 2017, 3:57 PM\u003c\/span\u003e\u003cspan class=\"print-only\" aria-hidden=\"true\"\u003e2017-09-25 15:57:51 (UTC+0)\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/div\u003e\u003ca href=\"#\" class=\"phui-timeline-menu\" aria-haspopup=\"true\" aria-expanded=\"false\" data-sigil=\"phui-dropdown-menu\" data-meta=\"0_180\"\u003e\u003cspan class=\"aural-only\"\u003eComment Actions\u003c\/span\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-caret-down\" data-meta=\"0_181\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-core-content\"\u003e\u003cspan class=\"transaction-comment\" data-sigil=\"transaction-comment\" data-meta=\"0_43\"\u003e\u003cdiv class=\"phabricator-remarkup\"\u003e\u003cp\u003eI\u2019m still thinking of a per-request microservice (like minisparql) which gets torn down at the end of each request anyways \u2013 but even if the service handles multiple requests, we can just restart it, it\u2019s stateless anyways. What I\u2019m worried about is not damage to the service itself, but to anything else running on the same machine \u2013 so the service should still be limited in CPU time.\u003c\/p\u003e\u003c\/div\u003e\u003c\/span\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-event-view phui-timeline-spacer\"\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-shell\" data-sigil=\"transaction anchor-container\" data-meta=\"0_197\"\u003e\u003cdiv class=\"phui-timeline-event-view phui-timeline-major-event\"\u003e\u003cdiv class=\"phui-timeline-content\"\u003e\u003ca style=\"background-image: url(https:\/\/phab.wmfusercontent.org\/file\/data\/v5wmnfiaelrd6nztxd3a\/PHID-FILE-s57znldbv3qchtewuryd\/profile)\" class=\"visual-only phui-timeline-image\" href=\"\/p\/daniel\/\" aria-hidden=\"true\"\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-badges\"\u003e\u003cul class=\"phui-badge-flex-view grouped flex-view-collapsed \"\u003e\u003cli class=\"phui-badge-flex-item\"\u003e\u003ca class=\"phui-badge-mini phui-badge-mini-indigo \" href=\"\/badges\/view\/14\/\" data-sigil=\"has-tooltip\" data-meta=\"0_195\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-empire\" data-meta=\"0_196\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-wedge\" style=\"\"\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-group\"\u003e\u003cdiv class=\"phui-timeline-inner-content\"\u003e\u003ca name=\"3632739\" id=\"3632739\" class=\"phabricator-anchor-view\"\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-title phui-timeline-title-with-icon phui-timeline-title-with-menu\"\u003e\u003cspan class=\"phui-timeline-icon-fill\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-comment phui-timeline-icon\" data-meta=\"0_194\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003ca href=\"\/p\/daniel\/\" class=\"phui-handle phui-link-person\" data-sigil=\"hovercard\" data-meta=\"0_44\"\u003edaniel\u003c\/a\u003e added a comment.\u003cspan class=\"phui-timeline-extra\"\u003e\u003ca href=\"#3632739\" data-sigil=\"has-tooltip\" data-meta=\"0_193\"\u003e\u003cspan class=\"screen-only\"\u003eSep 25 2017, 5:18 PM\u003c\/span\u003e\u003cspan class=\"print-only\" aria-hidden=\"true\"\u003e2017-09-25 17:18:56 (UTC+0)\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/div\u003e\u003ca href=\"#\" class=\"phui-timeline-menu\" aria-haspopup=\"true\" aria-expanded=\"false\" data-sigil=\"phui-dropdown-menu\" data-meta=\"0_191\"\u003e\u003cspan class=\"aural-only\"\u003eComment Actions\u003c\/span\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-caret-down\" data-meta=\"0_192\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-core-content\"\u003e\u003cspan class=\"transaction-comment\" data-sigil=\"transaction-comment\" data-meta=\"0_45\"\u003e\u003cdiv class=\"phabricator-remarkup\"\u003e\u003cblockquote\u003e\u003cp\u003eso the service should still be limited in CPU time.\u003c\/p\u003e\u003c\/blockquote\u003e\n\n\u003cp\u003e...and RAM.\u003c\/p\u003e\u003c\/div\u003e\u003c\/span\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-event-view phui-timeline-spacer\"\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-shell\" data-sigil=\"transaction anchor-container\" data-meta=\"0_206\"\u003e\u003cdiv class=\"phui-timeline-event-view phui-timeline-major-event\"\u003e\u003cdiv class=\"phui-timeline-content\"\u003e\u003ca style=\"background-image: url(https:\/\/phab.wmfusercontent.org\/file\/data\/ipcbt6bwwnsb4dxy7vm4\/PHID-FILE-ikenvecspc2h46fgu3zt\/profile-ring_image.jpg)\" class=\"visual-only phui-timeline-image\" href=\"\/p\/Smalyshev\/\" aria-hidden=\"true\"\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-wedge\" style=\"\"\u003e\u003c\/div\u003e\u003cdiv class=\"phui-timeline-group\"\u003e\u003cdiv class=\"phui-timeline-inner-content\"\u003e\u003ca name=\"3633408\" id=\"3633408\" class=\"phabricator-anchor-view\"\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-title phui-timeline-title-with-icon phui-timeline-title-with-menu\"\u003e\u003cspan class=\"phui-timeline-icon-fill\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-comment phui-timeline-icon\" data-meta=\"0_205\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003ca href=\"\/p\/Smalyshev\/\" class=\"phui-handle phui-link-person\" data-sigil=\"hovercard\" data-meta=\"0_46\"\u003eSmalyshev\u003c\/a\u003e added a comment.\u003cspan class=\"phui-timeline-extra\"\u003e\u003ca href=\"#3633408\" data-sigil=\"has-tooltip\" data-meta=\"0_204\"\u003e\u003cspan class=\"screen-only\"\u003eSep 25 2017, 8:49 PM\u003c\/span\u003e\u003cspan class=\"print-only\" aria-hidden=\"true\"\u003e2017-09-25 20:49:16 (UTC+0)\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/div\u003e\u003ca href=\"#\" class=\"phui-timeline-menu\" aria-haspopup=\"true\" aria-expanded=\"false\" data-sigil=\"phui-dropdown-menu\" data-meta=\"0_202\"\u003e\u003cspan class=\"aural-only\"\u003eComment Actions\u003c\/span\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-caret-down\" data-meta=\"0_203\" aria-hidden=\"true\"\u003e\u003c\/span\u003e\u003c\/a\u003e\u003cdiv class=\"phui-timeline-core-content\"\u003e\u003cspan class=\"transaction-comment\" data-sigil=\"transaction-comment\" data-meta=\"0_47\"\u003e\u003cdiv class=\"phabricator-remarkup\"\u003e\u003cp\u003eThere's \u003ctt class=\"remarkup-monospaced\"\u003epcre.backtrack_limit\u003c\/tt\u003e and \u003ctt class=\"remarkup-monospaced\"\u003epcre.recursion_limit\u003c\/tt\u003e in PHP settings, which can be significantly reduced against defaults (which are very generous). However, I am not 100% sure it covers all scenarios where PCRE can get into the woods.\u003c\/p\u003e\u003c\/div\u003e\u003c\/span\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e"},"javelin_metadata":[{"hovercardSpec":{"objectPHID":"PHID-USER-hrcsuxxosiyjqpef64tc"}},{"hovercardSpec":{"objectPHID":"PHID-TASK-mypuv6jssv5p53lgdqkn"}},{"hovercardSpec":{"objectPHID":"PHID-USER-hbtlbu4zftxnz4i6f7yf","contextPHID":"PHID-TASK-mypuv6jssv5p53lgdqkn"}},{"hovercardSpec":{"objectPHID":"PHID-TASK-mypuv6jssv5p53lgdqkn"}},{"hovercardSpec":{"objectPHID":"PHID-USER-hrcsuxxosiyjqpef64tc","contextPHID":"PHID-TASK-mypuv6jssv5p53lgdqkn"}},{"hovercardSpec":{"objectPHID":"PHID-TASK-mypuv6jssv5p53lgdqkn"}},{"hovercardSpec":{"objectPHID":"PHID-USER-hrcsuxxosiyjqpef64tc","contextPHID":"PHID-TASK-mypuv6jssv5p53lgdqkn"}},{"hovercardSpec":{"objectPHID":"PHID-APPS-PhabricatorHeraldApplication"}},[],{"hovercardSpec":{"objectPHID":"PHID-USER-hgn5uw2jafgjgfvxibhh"}},{"hovercardSpec":{"objectPHID":"PHID-USER-hrcsuxxosiyjqpef64tc"}},{"phid":"PHID-XACT-TASK-i76ksjcbyyjfatm"},{"hovercardSpec":{"objectPHID":"PHID-USER-hrcsuxxosiyjqpef64tc"}},{"hovercardSpec":{"objectPHID":"PHID-TASK-mvbgszhngy5eaq72tpie"}},{"hovercardSpec":{"objectPHID":"PHID-USER-sai77mtxmpqnm6pycyvz"}},{"hovercardSpec":{"objectPHID":"PHID-PROJ-fc6tzpgo4uo33xqvhtdj"}},{"hovercardSpec":{"objectPHID":"PHID-USER-5dqihbanu3caaj7pigif"}},{"hovercardSpec":{"objectPHID":"PHID-USER-fdo23otm6ztt674vjqko"}},{"hovercardSpec":{"objectPHID":"PHID-USER-5dqihbanu3caaj7pigif"}},{"hovercardSpec":{"objectPHID":"PHID-PCOL-gdnvii2tziibym5uf7pi"}},{"hovercardSpec":{"objectPHID":"PHID-PCOL-fa74xhvmwuin4myeikrn"}},{"hovercardSpec":{"objectPHID":"PHID-PROJ-fc6tzpgo4uo33xqvhtdj"}},{"hovercardSpec":{"objectPHID":"PHID-USER-5dqihbanu3caaj7pigif"}},{"hovercardSpec":{"objectPHID":"PHID-USER-hbtlbu4zftxnz4i6f7yf"}},{"hovercardSpec":{"objectPHID":"PHID-USER-5dqihbanu3caaj7pigif"}},{"phid":"PHID-XACT-TASK-4se4trljvks53ox"},{"phid":"PHID-XACT-TASK-kqpuqfwi3zv6wk6"},{"hovercardSpec":{"objectPHID":"PHID-USER-k6tmz5ylx4rzfl3bitse"}},{"phid":"PHID-XACT-TASK-4vqoxw4aapgxwnq"},{"hovercardSpec":{"objectPHID":"PHID-USER-4qe5niesec534hksvuch"}},{"phid":"PHID-XACT-TASK-sfpihzbd66p7smf"},{"hovercardSpec":{"objectPHID":"PHID-USER-uqcn2l4ng4murmyfnvyp"}},{"hovercardSpec":{"objectPHID":"PHID-USER-hrcsuxxosiyjqpef64tc"}},{"phid":"PHID-XACT-TASK-ojerp6joqergwjg"},{"hovercardSpec":{"objectPHID":"PHID-USER-5dqihbanu3caaj7pigif"}},{"phid":"PHID-XACT-TASK-ctjfkrtyi2vx75k"},{"hovercardSpec":{"objectPHID":"PHID-USER-fdo23otm6ztt674vjqko"}},{"phid":"PHID-XACT-TASK-sk6w6vvg5plggf4"},{"hovercardSpec":{"objectPHID":"PHID-USER-hrcsuxxosiyjqpef64tc"}},{"phid":"PHID-XACT-TASK-drjj4udedebvagq"},{"hovercardSpec":{"objectPHID":"PHID-USER-5dqihbanu3caaj7pigif"}},{"phid":"PHID-XACT-TASK-ooc2uoyplsiu6xz"},{"hovercardSpec":{"objectPHID":"PHID-USER-hrcsuxxosiyjqpef64tc"}},{"phid":"PHID-XACT-TASK-twn26nyhpdmogc4"},{"hovercardSpec":{"objectPHID":"PHID-USER-5dqihbanu3caaj7pigif"}},{"phid":"PHID-XACT-TASK-lcb33xpas7kg3iq"},{"hovercardSpec":{"objectPHID":"PHID-USER-4qe5niesec534hksvuch"}},{"phid":"PHID-XACT-TASK-ijit6hjngk6xh74"},{"tip":"Via Web"},[],{"phid":"PHID-XACT-TASK-dbsqt54do4dtozj","anchor":"3620956"},{"tip":"Via Herald"},[],{"phid":"PHID-XACT-TASK-6mncyy3edq72rcb","anchor":"3620969"},{"targetID":"UQ0_1","uri":"\/transactions\/quote\/PHID-XACT-TASK-i76ksjcbyyjfatm\/","ref":"T176312#3620970"},[],{"anchor":"3620970"},[],{"items":"\u003cul class=\"phabricator-action-list-view \"\u003e\u003cli id=\"UQ0_1\" class=\"phabricator-action-view phabricator-action-view-href action-has-icon\" style=\"\"\u003e\u003ca href=\"#\" class=\"phabricator-action-view-item\" data-sigil=\"transaction-quote\" data-meta=\"0_54\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-quote-left phabricator-action-view-icon\" data-meta=\"0_55\" aria-hidden=\"true\"\u003e\u003c\/span\u003eQuote Comment\u003c\/a\u003e\u003c\/li\u003e\u003cli id=\"UQ0_3\" class=\"phabricator-action-view phabricator-action-view-href action-has-icon\" style=\"\"\u003e\u003ca href=\"\/transactions\/raw\/PHID-XACT-TASK-i76ksjcbyyjfatm\/\" class=\"phabricator-action-view-item\" data-sigil=\"transaction-raw\" data-meta=\"0_56\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-code phabricator-action-view-icon\" data-meta=\"0_57\" aria-hidden=\"true\"\u003e\u003c\/span\u003eView Raw Remarkup\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e"},[],{"tip":"Via Web"},[],{"tip":"Backport Deployer","align":"E","size":300},[],{"phid":"PHID-XACT-TASK-i76ksjcbyyjfatm","anchor":"3620970"},{"tip":"Via Web"},[],{"phid":"PHID-XACT-TASK-skgy6mmmkyjqjis","anchor":"3620973"},{"tip":"Via Web"},[],{"phid":"PHID-XACT-TASK-3zizytjtibot43j","anchor":"3621165"},{"tip":"Via Web"},[],{"phid":"PHID-XACT-TASK-hgin3utr4hfd34d","anchor":"3622482"},{"tip":"Via Web"},[],{"phid":"PHID-XACT-TASK-4gcbhskjkir2h73","anchor":"3622584"},{"tip":"Via Web"},[],{"phid":"PHID-XACT-TASK-6s6rjxp2ilvb6pe","anchor":"3622705"},{"targetID":"UQ0_1","uri":"\/transactions\/quote\/PHID-XACT-TASK-4se4trljvks53ox\/","ref":"T176312#3622758"},[],{"anchor":"3622758"},[],{"items":"\u003cul class=\"phabricator-action-list-view \"\u003e\u003cli id=\"UQ0_5\" class=\"phabricator-action-view phabricator-action-view-href action-has-icon\" style=\"\"\u003e\u003ca href=\"#\" class=\"phabricator-action-view-item\" data-sigil=\"transaction-quote\" data-meta=\"0_80\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-quote-left phabricator-action-view-icon\" data-meta=\"0_81\" aria-hidden=\"true\"\u003e\u003c\/span\u003eQuote Comment\u003c\/a\u003e\u003c\/li\u003e\u003cli id=\"UQ0_7\" class=\"phabricator-action-view phabricator-action-view-href action-has-icon\" style=\"\"\u003e\u003ca href=\"\/transactions\/raw\/PHID-XACT-TASK-4se4trljvks53ox\/\" class=\"phabricator-action-view-item\" data-sigil=\"transaction-raw\" data-meta=\"0_82\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-code phabricator-action-view-icon\" data-meta=\"0_83\" aria-hidden=\"true\"\u003e\u003c\/span\u003eView Raw Remarkup\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e"},[],{"tip":"Via Web"},[],{"tip":"Nerd Sniper","align":"E","size":300},[],{"phid":"PHID-XACT-TASK-7vfeuxbhhvnn4e2","anchor":"3622758"},{"targetID":"UQ0_1","uri":"\/transactions\/quote\/PHID-XACT-TASK-kqpuqfwi3zv6wk6\/","ref":"T176312#3622995"},[],{"anchor":"3622995"},[],{"items":"\u003cul class=\"phabricator-action-list-view \"\u003e\u003cli id=\"UQ0_9\" class=\"phabricator-action-view phabricator-action-view-href action-has-icon\" style=\"\"\u003e\u003ca href=\"#\" class=\"phabricator-action-view-item\" data-sigil=\"transaction-quote\" data-meta=\"0_91\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-quote-left phabricator-action-view-icon\" data-meta=\"0_92\" aria-hidden=\"true\"\u003e\u003c\/span\u003eQuote Comment\u003c\/a\u003e\u003c\/li\u003e\u003cli id=\"UQ0_11\" class=\"phabricator-action-view phabricator-action-view-href action-has-icon\" style=\"\"\u003e\u003ca href=\"\/transactions\/raw\/PHID-XACT-TASK-kqpuqfwi3zv6wk6\/\" class=\"phabricator-action-view-item\" data-sigil=\"transaction-raw\" data-meta=\"0_93\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-code phabricator-action-view-icon\" data-meta=\"0_94\" aria-hidden=\"true\"\u003e\u003c\/span\u003eView Raw Remarkup\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e"},[],{"tip":"Via Web"},[],{"phid":"PHID-XACT-TASK-kqpuqfwi3zv6wk6","anchor":"3622995"},{"targetID":"UQ0_1","uri":"\/transactions\/quote\/PHID-XACT-TASK-4vqoxw4aapgxwnq\/","ref":"T176312#3625254"},[],{"anchor":"3625254"},[],{"items":"\u003cul class=\"phabricator-action-list-view \"\u003e\u003cli id=\"UQ0_13\" class=\"phabricator-action-view phabricator-action-view-href action-has-icon\" style=\"\"\u003e\u003ca href=\"#\" class=\"phabricator-action-view-item\" data-sigil=\"transaction-quote\" data-meta=\"0_100\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-quote-left phabricator-action-view-icon\" data-meta=\"0_101\" aria-hidden=\"true\"\u003e\u003c\/span\u003eQuote Comment\u003c\/a\u003e\u003c\/li\u003e\u003cli id=\"UQ0_15\" class=\"phabricator-action-view phabricator-action-view-href action-has-icon\" style=\"\"\u003e\u003ca href=\"\/transactions\/raw\/PHID-XACT-TASK-4vqoxw4aapgxwnq\/\" class=\"phabricator-action-view-item\" data-sigil=\"transaction-raw\" data-meta=\"0_102\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-code phabricator-action-view-icon\" data-meta=\"0_103\" aria-hidden=\"true\"\u003e\u003c\/span\u003eView Raw Remarkup\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e"},[],{"tip":"Via Web"},[],{"phid":"PHID-XACT-TASK-4vqoxw4aapgxwnq","anchor":"3625254"},{"targetID":"UQ0_1","uri":"\/transactions\/quote\/PHID-XACT-TASK-sfpihzbd66p7smf\/","ref":"T176312#3625405"},[],{"anchor":"3625405"},[],{"items":"\u003cul class=\"phabricator-action-list-view \"\u003e\u003cli id=\"UQ0_17\" class=\"phabricator-action-view phabricator-action-view-href action-has-icon\" style=\"\"\u003e\u003ca href=\"#\" class=\"phabricator-action-view-item\" data-sigil=\"transaction-quote\" data-meta=\"0_109\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-quote-left phabricator-action-view-icon\" data-meta=\"0_110\" aria-hidden=\"true\"\u003e\u003c\/span\u003eQuote Comment\u003c\/a\u003e\u003c\/li\u003e\u003cli id=\"UQ0_19\" class=\"phabricator-action-view phabricator-action-view-href action-has-icon\" style=\"\"\u003e\u003ca href=\"\/transactions\/raw\/PHID-XACT-TASK-sfpihzbd66p7smf\/\" class=\"phabricator-action-view-item\" data-sigil=\"transaction-raw\" data-meta=\"0_111\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-code phabricator-action-view-icon\" data-meta=\"0_112\" aria-hidden=\"true\"\u003e\u003c\/span\u003eView Raw Remarkup\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e"},[],{"tip":"Via Web"},[],{"tip":"Backport Deployer","align":"E","size":300},[],{"phid":"PHID-XACT-TASK-sfpihzbd66p7smf","anchor":"3625405"},{"targetID":"UQ0_1","uri":"\/transactions\/quote\/PHID-XACT-TASK-ojerp6joqergwjg\/","ref":"T176312#3626696"},[],{"anchor":"3626696"},[],{"items":"\u003cul class=\"phabricator-action-list-view \"\u003e\u003cli id=\"UQ0_21\" class=\"phabricator-action-view phabricator-action-view-href action-has-icon\" style=\"\"\u003e\u003ca href=\"#\" class=\"phabricator-action-view-item\" data-sigil=\"transaction-quote\" data-meta=\"0_120\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-quote-left phabricator-action-view-icon\" data-meta=\"0_121\" aria-hidden=\"true\"\u003e\u003c\/span\u003eQuote Comment\u003c\/a\u003e\u003c\/li\u003e\u003cli id=\"UQ0_23\" class=\"phabricator-action-view phabricator-action-view-href action-has-icon\" style=\"\"\u003e\u003ca href=\"\/transactions\/raw\/PHID-XACT-TASK-ojerp6joqergwjg\/\" class=\"phabricator-action-view-item\" data-sigil=\"transaction-raw\" data-meta=\"0_122\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-code phabricator-action-view-icon\" data-meta=\"0_123\" aria-hidden=\"true\"\u003e\u003c\/span\u003eView Raw Remarkup\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e"},[],{"tip":"Via Web"},[],{"tip":"Backport Deployer","align":"E","size":300},[],{"phid":"PHID-XACT-TASK-ojerp6joqergwjg","anchor":"3626696"},{"targetID":"UQ0_1","uri":"\/transactions\/quote\/PHID-XACT-TASK-ctjfkrtyi2vx75k\/","ref":"T176312#3627055"},[],{"anchor":"3627055"},[],[],{"items":"\u003cul class=\"phabricator-action-list-view \"\u003e\u003cli id=\"UQ0_25\" class=\"phabricator-action-view phabricator-action-view-href action-has-icon\" style=\"\"\u003e\u003ca href=\"#\" class=\"phabricator-action-view-item\" data-sigil=\"transaction-quote\" data-meta=\"0_131\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-quote-left phabricator-action-view-icon\" data-meta=\"0_132\" aria-hidden=\"true\"\u003e\u003c\/span\u003eQuote Comment\u003c\/a\u003e\u003c\/li\u003e\u003cli id=\"UQ0_27\" class=\"phabricator-action-view phabricator-action-view-href action-has-icon\" style=\"\"\u003e\u003ca href=\"\/transactions\/raw\/PHID-XACT-TASK-ctjfkrtyi2vx75k\/\" class=\"phabricator-action-view-item\" data-sigil=\"transaction-raw\" data-meta=\"0_133\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-code phabricator-action-view-icon\" data-meta=\"0_134\" aria-hidden=\"true\"\u003e\u003c\/span\u003eView Raw Remarkup\u003c\/a\u003e\u003c\/li\u003e\u003cli id=\"UQ0_29\" class=\"phabricator-action-view phabricator-action-view-href action-has-icon\" style=\"\"\u003e\u003ca href=\"\/transactions\/history\/PHID-XACT-TASK-ctjfkrtyi2vx75k\/\" class=\"phabricator-action-view-item\" data-sigil=\"workflow\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-list phabricator-action-view-icon\" data-meta=\"0_135\" aria-hidden=\"true\"\u003e\u003c\/span\u003eView Edit History\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e"},[],{"tip":"Via Web"},[],{"tip":"Nerd Sniper","align":"E","size":300},[],{"phid":"PHID-XACT-TASK-ctjfkrtyi2vx75k","anchor":"3627055"},{"targetID":"UQ0_1","uri":"\/transactions\/quote\/PHID-XACT-TASK-sk6w6vvg5plggf4\/","ref":"T176312#3630750"},[],{"anchor":"3630750"},[],{"items":"\u003cul class=\"phabricator-action-list-view \"\u003e\u003cli id=\"UQ0_31\" class=\"phabricator-action-view phabricator-action-view-href action-has-icon\" style=\"\"\u003e\u003ca href=\"#\" class=\"phabricator-action-view-item\" data-sigil=\"transaction-quote\" data-meta=\"0_143\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-quote-left phabricator-action-view-icon\" data-meta=\"0_144\" aria-hidden=\"true\"\u003e\u003c\/span\u003eQuote Comment\u003c\/a\u003e\u003c\/li\u003e\u003cli id=\"UQ0_33\" class=\"phabricator-action-view phabricator-action-view-href action-has-icon\" style=\"\"\u003e\u003ca href=\"\/transactions\/raw\/PHID-XACT-TASK-sk6w6vvg5plggf4\/\" class=\"phabricator-action-view-item\" data-sigil=\"transaction-raw\" data-meta=\"0_145\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-code phabricator-action-view-icon\" data-meta=\"0_146\" aria-hidden=\"true\"\u003e\u003c\/span\u003eView Raw Remarkup\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e"},[],{"tip":"Via Web"},[],{"tip":"Web Perf Hero","align":"E","size":300},[],{"phid":"PHID-XACT-TASK-sk6w6vvg5plggf4","anchor":"3630750"},{"targetID":"UQ0_1","uri":"\/transactions\/quote\/PHID-XACT-TASK-drjj4udedebvagq\/","ref":"T176312#3630934"},[],{"anchor":"3630934"},[],{"items":"\u003cul class=\"phabricator-action-list-view \"\u003e\u003cli id=\"UQ0_35\" class=\"phabricator-action-view phabricator-action-view-href action-has-icon\" style=\"\"\u003e\u003ca href=\"#\" class=\"phabricator-action-view-item\" data-sigil=\"transaction-quote\" data-meta=\"0_154\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-quote-left phabricator-action-view-icon\" data-meta=\"0_155\" aria-hidden=\"true\"\u003e\u003c\/span\u003eQuote Comment\u003c\/a\u003e\u003c\/li\u003e\u003cli id=\"UQ0_37\" class=\"phabricator-action-view phabricator-action-view-href action-has-icon\" style=\"\"\u003e\u003ca href=\"\/transactions\/raw\/PHID-XACT-TASK-drjj4udedebvagq\/\" class=\"phabricator-action-view-item\" data-sigil=\"transaction-raw\" data-meta=\"0_156\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-code phabricator-action-view-icon\" data-meta=\"0_157\" aria-hidden=\"true\"\u003e\u003c\/span\u003eView Raw Remarkup\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e"},[],{"tip":"Via Web"},[],{"tip":"Backport Deployer","align":"E","size":300},[],{"phid":"PHID-XACT-TASK-drjj4udedebvagq","anchor":"3630934"},{"targetID":"UQ0_1","uri":"\/transactions\/quote\/PHID-XACT-TASK-ooc2uoyplsiu6xz\/","ref":"T176312#3632352"},[],{"anchor":"3632352"},[],{"items":"\u003cul class=\"phabricator-action-list-view \"\u003e\u003cli id=\"UQ0_39\" class=\"phabricator-action-view phabricator-action-view-href action-has-icon\" style=\"\"\u003e\u003ca href=\"#\" class=\"phabricator-action-view-item\" data-sigil=\"transaction-quote\" data-meta=\"0_165\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-quote-left phabricator-action-view-icon\" data-meta=\"0_166\" aria-hidden=\"true\"\u003e\u003c\/span\u003eQuote Comment\u003c\/a\u003e\u003c\/li\u003e\u003cli id=\"UQ0_41\" class=\"phabricator-action-view phabricator-action-view-href action-has-icon\" style=\"\"\u003e\u003ca href=\"\/transactions\/raw\/PHID-XACT-TASK-ooc2uoyplsiu6xz\/\" class=\"phabricator-action-view-item\" data-sigil=\"transaction-raw\" data-meta=\"0_167\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-code phabricator-action-view-icon\" data-meta=\"0_168\" aria-hidden=\"true\"\u003e\u003c\/span\u003eView Raw Remarkup\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e"},[],{"tip":"Via Web"},[],{"tip":"Nerd Sniper","align":"E","size":300},[],{"phid":"PHID-XACT-TASK-ooc2uoyplsiu6xz","anchor":"3632352"},{"targetID":"UQ0_1","uri":"\/transactions\/quote\/PHID-XACT-TASK-twn26nyhpdmogc4\/","ref":"T176312#3632416"},[],{"anchor":"3632416"},[],{"items":"\u003cul class=\"phabricator-action-list-view \"\u003e\u003cli id=\"UQ0_43\" class=\"phabricator-action-view phabricator-action-view-href action-has-icon\" style=\"\"\u003e\u003ca href=\"#\" class=\"phabricator-action-view-item\" data-sigil=\"transaction-quote\" data-meta=\"0_176\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-quote-left phabricator-action-view-icon\" data-meta=\"0_177\" aria-hidden=\"true\"\u003e\u003c\/span\u003eQuote Comment\u003c\/a\u003e\u003c\/li\u003e\u003cli id=\"UQ0_45\" class=\"phabricator-action-view phabricator-action-view-href action-has-icon\" style=\"\"\u003e\u003ca href=\"\/transactions\/raw\/PHID-XACT-TASK-twn26nyhpdmogc4\/\" class=\"phabricator-action-view-item\" data-sigil=\"transaction-raw\" data-meta=\"0_178\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-code phabricator-action-view-icon\" data-meta=\"0_179\" aria-hidden=\"true\"\u003e\u003c\/span\u003eView Raw Remarkup\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e"},[],{"tip":"Via Web"},[],{"tip":"Backport Deployer","align":"E","size":300},[],{"phid":"PHID-XACT-TASK-twn26nyhpdmogc4","anchor":"3632416"},{"targetID":"UQ0_1","uri":"\/transactions\/quote\/PHID-XACT-TASK-lcb33xpas7kg3iq\/","ref":"T176312#3632739"},[],{"anchor":"3632739"},[],{"items":"\u003cul class=\"phabricator-action-list-view \"\u003e\u003cli id=\"UQ0_47\" class=\"phabricator-action-view phabricator-action-view-href action-has-icon\" style=\"\"\u003e\u003ca href=\"#\" class=\"phabricator-action-view-item\" data-sigil=\"transaction-quote\" data-meta=\"0_187\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-quote-left phabricator-action-view-icon\" data-meta=\"0_188\" aria-hidden=\"true\"\u003e\u003c\/span\u003eQuote Comment\u003c\/a\u003e\u003c\/li\u003e\u003cli id=\"UQ0_49\" class=\"phabricator-action-view phabricator-action-view-href action-has-icon\" style=\"\"\u003e\u003ca href=\"\/transactions\/raw\/PHID-XACT-TASK-lcb33xpas7kg3iq\/\" class=\"phabricator-action-view-item\" data-sigil=\"transaction-raw\" data-meta=\"0_189\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-code phabricator-action-view-icon\" data-meta=\"0_190\" aria-hidden=\"true\"\u003e\u003c\/span\u003eView Raw Remarkup\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e"},[],{"tip":"Via Web"},[],{"tip":"Nerd Sniper","align":"E","size":300},[],{"phid":"PHID-XACT-TASK-lcb33xpas7kg3iq","anchor":"3632739"},{"targetID":"UQ0_1","uri":"\/transactions\/quote\/PHID-XACT-TASK-ijit6hjngk6xh74\/","ref":"T176312#3633408"},[],{"anchor":"3633408"},[],{"items":"\u003cul class=\"phabricator-action-list-view \"\u003e\u003cli id=\"UQ0_51\" class=\"phabricator-action-view phabricator-action-view-href action-has-icon\" style=\"\"\u003e\u003ca href=\"#\" class=\"phabricator-action-view-item\" data-sigil=\"transaction-quote\" data-meta=\"0_198\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-quote-left phabricator-action-view-icon\" data-meta=\"0_199\" aria-hidden=\"true\"\u003e\u003c\/span\u003eQuote Comment\u003c\/a\u003e\u003c\/li\u003e\u003cli id=\"UQ0_53\" class=\"phabricator-action-view phabricator-action-view-href action-has-icon\" style=\"\"\u003e\u003ca href=\"\/transactions\/raw\/PHID-XACT-TASK-ijit6hjngk6xh74\/\" class=\"phabricator-action-view-item\" data-sigil=\"transaction-raw\" data-meta=\"0_200\"\u003e\u003cspan class=\"visual-only phui-icon-view phui-font-fa fa-code phabricator-action-view-icon\" data-meta=\"0_201\" aria-hidden=\"true\"\u003e\u003c\/span\u003eView Raw Remarkup\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e"},[],{"tip":"Via Web"},[],{"phid":"PHID-XACT-TASK-ijit6hjngk6xh74","anchor":"3633408"}],"javelin_behaviors":{"phui-hovercards":[],"phabricator-watch-anchor":[],"phabricator-tooltips":[],"phui-dropdown-menu":[]},"javelin_resources":["https:\/\/phab.wmfusercontent.org\/res\/defaultX\/phabricator\/2eeda9e0\/core.pkg.js","https:\/\/phab.wmfusercontent.org\/res\/defaultX\/phabricator\/98e6504a\/rsrc\/externals\/javelin\/core\/init.js","https:\/\/phab.wmfusercontent.org\/res\/defaultX\/phabricator\/602387e0\/core.pkg.css","https:\/\/phab.wmfusercontent.org\/res\/defaultX\/phabricator\/666e25ad\/rsrc\/css\/phui\/phui-badge.css"]}