ePUB and ProQuest Ebook Central

tjsiegelvcul
Report ID: 1503473978

When a user on a Chromium-based browser has the Zotero connector extension enabled, ePUB titles on the ProQuest Ebook Central Platform do not display content. Example: https://ebookcentral.proquest.com/lib/vcu/reader.action?docID=31339340&ppg=1

https://s3.amazonaws.com/zotero.org/images/forums/u14904473/y2ghe163ul2ops074fos.png

As soon as the connector is disabled, the content loads without issue.

https://s3.amazonaws.com/zotero.org/images/forums/u14904473/tuco5nvs95ylbac6jcgu.png

This issue can be recreated on Mac and PC, on Chrome, Brave, Edge. Issue does not appear on Safari or Firefox Browsers.

PDF-based titles on this platform do not encounter this issue and load normally
  • dstillman
    Is that Edge with the actual Edge extension, or did you install the Chrome extension in Edge?
  • tjsiegelvcul
    It is the extension that you linked to. The other browsers use the extension from the Chrome Web Store
  • adomasven
    We can only offer troubleshooting for Chrome or Edge. Can you provide a Debug ID for refreshing this page from the Zotero Connector?
  • tjsiegelvcul
    D2088140602
  • adomasven
    If you open the same page with the Connector extension disabled and enabled and open the Developer Tools, do you see any additional errors in the Console?
  • tjsiegelvcul
    Yes, there are 2 additional errors when the extension is enabled vs. disabled.

    1 refers to the extension restarting, then the other is:

    Uncaught (in promise) SecurityError: Failed to read a named property 'document' from 'Window': Blocked a frame with origin "https://ebookcentral.proquest.com" from accessing a cross-origin frame.
  • spolk143546
    Hi, this is happening to users in Chrome but not Firefox and Edge. It only happens to EPUB titles, not PDFs.

    I contacted Proquest about it and they said to just disable the extension if I want to see full-text for EPUB. Modifying the site data permissions for the extension also works.

    I work for a university library and this is going to be confusing to explain to users. Is there a fix in the works? Is this something Zotero needs to fix, or Proquest?

    Thanks!

  • dstillman
    edited 11 days ago
    @tjsiegelvcul, @spolk143546: This should be fixed now in Zotero Connector 5.0.149 for Chrome.

    (We recently had to make some changes for Chrome's updated extension framework, and the changes ended up conflicting with the behavior of a few sites. We've now switched to a different approach that should avoid problems like this. Thanks for reporting.)
  • spolk143546
    @dstillman

    It works! Thank you!

    -Sarah
  • dstillman
    Sorry, unfortunately we've had to roll back these changes in Zotero Connector 5.0.150 due to a bug with saving from some sites. We'll have another version out soon that includes this fix.
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