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Request #54645 zip:// stream wrapper does not allow wrapping of non-filesystem http:// streams
Submitted: 2011-05-01 14:15 UTC Modified: 2018-03-26 16:02 UTC
Votes:1
Avg. Score:5.0 ± 0.0
Reproduced:0 of 0 (0.0%)
From: seva dot lapsha at gmail dot com Assigned:
Status: Open Package: Zip Related
PHP Version: 5.3.6 OS:
Private report: No CVE-ID: None
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 [2011-05-01 14:15 UTC] seva dot lapsha at gmail dot com
Description:
------------
zip:// stream wrapper doesn't support streams created from sources other than 
files. E.g. reading from zip://http://example.com/file.zip will fail with

Warning: 

As far as I can see, this is just not implemented in ZipArchive.

Test script:
---------------
$res = fopen('zip://http://example.com/file.zip');

Expected result:
----------------
Reading from zip wrapped URL should be possible.

Actual result:
--------------
Reading from zip wrapped URL gives warning:

fopen(zip://http://example.com/file.zip): failed to open stream: operation failed

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 [2011-05-01 14:24 UTC] pajoye@php.net
-Status: Open +Status: Bogus
 [2011-05-01 14:24 UTC] pajoye@php.net
it does support non file system, but the file system must be seekable, which is 
not the case for http.
 [2011-05-01 15:13 UTC] seva dot lapsha at gmail dot com
back-seeking may be needed for more complex operations in ZipArchive, but to read 
a stream directly from the Zip archive, it's not required.

For instance, there is a Java Zip Input Stream, which is buffered but not seeking.
http://download.oracle.com/javase/6/docs/api/java/util/zip/ZipInputStream.html
 [2011-05-01 15:18 UTC] pajoye@php.net
-Status: Bogus +Status: Open
 [2011-05-01 15:18 UTC] pajoye@php.net
ZipStream are something different but it is not supported anyway. Moving to FR.
 [2018-03-26 16:02 UTC] cmb@php.net
-Type: Bug +Type: Feature/Change Request
 
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