https://bugzilla.wikimedia.org/show_bug.cgi?id=29174
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Bug #: 29174
Summary: Upload by URL regression: file size limited by PHP
memory limit ($wgAllowCopyUploads)
Product: MediaWiki
Version: 1.19-svn
Platform: All
OS/Version: All
Status: NEW
Severity: normal
Priority: Unprioritized
Component: Uploading
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Classification: Unclassified
Upload-by-URL originally used CURL directly and I think wrote directly to a
temporary file, making it suitable for files of any size (unless too big for a
32-bit version of CURL to handle!)
Since r65152 it was switched to use the MWHttpRequest class, which buffers file
content into memory.
Uploading a ~64mb webm file while testing TimedMediaHandler, I got this gem:
PHP Fatal error: Allowed memory size of 134217728 bytes exhausted (tried to
allocate 66634174 bytes) in /var/www/trunk/includes/upload/UploadFromUrl.php on
line 118, referer: http://stormcloud.local/trunk/index.php/Special:Upload
That's:
file_put_contents( $this->mTempPath, $req->getContent()
D'oh!
Needs to use read callbacks to save directly to the temporary file. Looks like
this can be done fairly straightforwardly by calling $req->setCallback() and
passing it a method to append a chunk to the temp file.
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