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https://issues.apache.org/jira/browse/CB-9558?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14713469#comment-14713469
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ASF GitHub Bot commented on CB-9558:
------------------------------------
GitHub user voliva opened a pull request:
https://github.com/apache/cordova-ios/pull/156
CB-9558 Blob schemes won't load in iframes
Blob schemes won't load in iframes, even though blob:* is whitelisted.
This is needed for special cases, like when using an epub reader
([ePub.js](https://github.com/futurepress/epub.js/)), that downloads an epub,
extracts it to a blob and displays it in an iframe.
This currently works perfectly in cordova-android, but not in cordova-ios.
I've debugged why it happens... the Whitelists says the scheme is allowed
and the URL is allowed, but then
```Objective-C
[NSURLConnection canHandleRequest]
```
returns false, thus cancelling the request. Hardcoding "blob" as an allowed
scheme (like it's currently done with mailto, tel and sms) fixes this issue.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/voliva/cordova-ios 3.9.x
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/cordova-ios/pull/156.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #156
----
commit a8ec82bc133c51c6d30f73d4121eae5dc6366102
Author: voliva <[email protected]>
Date: 2015-08-26T13:40:39Z
Blob schemes won't load in iframes
----
> Blob schemes won't load in iframes
> ----------------------------------
>
> Key: CB-9558
> URL: https://issues.apache.org/jira/browse/CB-9558
> Project: Apache Cordova
> Issue Type: Bug
> Components: iOS
> Affects Versions: 3.9.0
> Reporter: Víctor Oliva Vidal
> Priority: Minor
>
> Blob schemes won't load in iframes, even though blob:* is whitelisted.
> This is needed for special cases, like when using an epub reader
> ([ePub.js|https://github.com/futurepress/epub.js/]), that downloads an epub,
> extracts it to a blob and displays it in an iframe.
> This currently works perfectly in cordova-android, but not in cordova-ios.
> I've debugged why it happens... the Whitelists says the scheme is allowed and
> the URL is allowed, but then
> {code}
> [NSURLConnection canHandleRequest]
> {code}
> returns false, thus cancelling the request. Hardcoding "blob" as an allowed
> scheme (like it's currently done with mailto, tel and sms) fixes this issue.
> I was about to put a pull request in github when I saw your contributing
> guidelines.
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