Electron not rendering titles with questions marks on Italian wikipedia
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	ovasileva
	Jun 29 2017, 2:14 PM

Description

It seems titles with question marks (maybe other characters) are not being rendered correctly

Steps to reproduce:

Go to https://it.wikipedia.org/wiki/Aha_oe_feii%3F
Select "Scarica come PDF" and colona singola

Expected: PDF for "Aha oe feii?" should be rendered
Observed: PDF for "Aha oe feii" is rendered, which is a page that doesn't exist

Notes:

tried to replicate in enwiki with https://en.wikipedia.org/wiki/Do_Androids_Dream_of_Electric_Sheep%3F, which renders fine
does not render in bgwiki with https://bg.wikipedia.org/wiki/%D0%A1%D1%8A%D0%BD%D1%83%D0%B2%D0%B0%D1%82_%D0%BB%D0%B8_%D0%B0%D0%BD%D0%B4%D1%80%D0%BE%D0%B8%D0%B4%D0%B8%D1%82%D0%B5_%D0%B5%D0%BB%D0%B5%D0%BA%D1%82%D1%80%D0%B8%D1%87%D0%B5%D1%81%D0%BA%D0%B8_%D0%BE%D0%B2%D1%86%D0%B5%3F or eswiki: https://es.wikipedia.org/wiki/%C2%BFSue%C3%B1an_los_androides_con_ovejas_el%C3%A9ctricas%3F
tried a few other projects, English is the only one that seems to render correctly

Event Timeline

ovasileva created this task.Jun 29 2017, 2:14 PM

Restricted Application added a subscriber: Aklapper. · View Herald TranscriptJun 29 2017, 2:14 PM

ovasileva moved this task from Incoming to 2014-15 Q4 on the Readers-Web-Backlog board.Jun 29 2017, 2:14 PM

• GWicke triaged this task as High priority.Jun 29 2017, 5:16 PM

• GWicke edited projects, added Services (next); removed Services.

I looked into this a little bit. I verified that making the request directly to the REST API does not change the outcome. The response contains the title including the trailing question mark as the file name.

This establishes that

RESTBase receives the correct title, including the trailing question mark, and
the issue is either in how RESTBase makes the request to electron, or in how electron processes the request.

Looking at the RESTBase PDF render module, it seems the requested title is percent-encoded only once in a query string context. The decoded URL would then contain two raw question marks, one from the title, and the other from ?printable=yes.

The reason why the example on enwiki works, is that https://en.wikipedia.org/wiki/Do_Androids_Dream_of_Electric_Sheep is a redirect page pointing to https://en.wikipedia.org/wiki/Do_Androids_Dream_of_Electric_Sheep%3F. As a result, electron still manages to retrieve the content page, despite addressing it without the trailing question mark.

PR at https://github.com/wikimedia/restbase/pull/832.

Jdlrobson moved this task from 2014-15 Q4 to Tracking on the Readers-Web-Backlog board.Jun 29 2017, 8:10 PM

Jdlrobson edited projects, added Readers-Web-Backlog (Tracking); removed Readers-Web-Backlog.

Jdlrobson moved this task from Untriaged to Move to Backlog on the Readers-Web-Backlog (Tracking) board.

Mentioned in SAL (#wikimedia-operations) [2017-06-29T21:00:52Z] <mobrovac@tin> Started deploy [restbase/deploy@bcb83f4]: Fix special char handling in PDF back-end requests - T169223

Mentioned in SAL (#wikimedia-operations) [2017-06-29T21:04:07Z] <mobrovac@tin> Finished deploy [restbase/deploy@bcb83f4]: Fix special char handling in PDF back-end requests - T169223 (duration: 03m 14s)

Fix deployed, checked in production, works.

Electron not rendering titles with questions marks on Italian wikipediaClosed, ResolvedPublicActions

Description

Steps to reproduce:

Notes:

Event Timeline

Electron not rendering titles with questions marks on Italian wikipedia
Closed, ResolvedPublic
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