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-<p>TODO: a filesystem storage abstraction which maintains security (and 'data' contains a system filename which is inaccessible from the web). This could get around PHP storage limits and store videos and larger items, using fread or OS methods or native code to read/write or chunk it through. Also an 'append' option to the storage function might be a useful addition. </p>
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-<p>Find an attachment by hash and revision. </p>
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-<p>Referenced by <a class="el" href="mod_2attach_8php.html#aa88eb5ad87aa1036a30e70339cc6c1b1">attach_init()</a>.</p>
-
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-<p>Find an attachment by hash and revision. </p>
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- <td class="paramname"><em>$filename</em> = <code>''</code>, </td>
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- <table class="params">
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- <td class="paramkey"></td>
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- <td class="paramtype">&#160;</td>
- <td class="paramname"><em>$resource</em>&#160;</td>
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-<p>Delete a file. </p>
-<dl class="params"><dt>Parameters</dt><dd>
- <table class="params">
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- <tr><td class="paramname">$resource</td><td></td></tr>
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-<p>Referenced by <a class="el" href="classRedDirectory.html#a2d12d99d38a6a75fc9a830b2f7fc0bf0">RedDirectory\createFile()</a>, <a class="el" href="classRedFile.html#aef71c9eaac7052be7dc8602eb12171e7">RedFile\delete()</a>, <a class="el" href="filestorage_8php.html#a61bb1be78472555df4ce619f51014040">filestorage_content()</a>, and <a class="el" href="classRedFile.html#a41a49a583eb276b75626fcf97f4a699c">RedFile\put()</a>.</p>
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- <table class="memname">
- <tr>
- <td class="memname">attach_list_files </td>
- <td>(</td>
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- <td class="paramname"><em>$channel_id</em>, </td>
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- <tr>
- <td class="paramkey"></td>
- <td></td>
- <td class="paramtype">&#160;</td>
- <td class="paramname"><em>$observer</em>, </td>
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- <tr>
- <td class="paramkey"></td>
- <td></td>
- <td class="paramtype">&#160;</td>
- <td class="paramname"><em>$hash</em> = <code>''</code>, </td>
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- <tr>
- <td class="paramkey"></td>
- <td></td>
- <td class="paramtype">&#160;</td>
- <td class="paramname"><em>$filename</em> = <code>''</code>, </td>
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- <tr>
- <td class="paramkey"></td>
- <td></td>
- <td class="paramtype">&#160;</td>
- <td class="paramname"><em>$filetype</em> = <code>''</code>, </td>
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- <tr>
- <td class="paramkey"></td>
- <td></td>
- <td class="paramtype">&#160;</td>
- <td class="paramname"><em>$orderby</em> = <code>'created&#160;desc'</code>, </td>
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- <tr>
- <td class="paramkey"></td>
- <td></td>
- <td class="paramtype">&#160;</td>
- <td class="paramname"><em>$start</em> = <code>0</code>, </td>
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- <tr>
- <td class="paramkey"></td>
- <td></td>
- <td class="paramtype">&#160;</td>
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- <tr>
- <td></td>
- <td>)</td>
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-
-<p>Returns a list of files/attachments. </p>
-<dl class="params"><dt>Parameters</dt><dd>
- <table class="params">
- <tr><td class="paramname">$channel_id</td><td></td></tr>
- <tr><td class="paramname">$observer</td><td></td></tr>
- <tr><td class="paramname">$hash</td><td>(optional) </td></tr>
- <tr><td class="paramname">$filename</td><td>(optional) </td></tr>
- <tr><td class="paramname">$filetype</td><td>(optional) </td></tr>
- <tr><td class="paramname">$orderby</td><td></td></tr>
- <tr><td class="paramname">$start</td><td></td></tr>
- <tr><td class="paramname">$entries</td><td></td></tr>
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- </dd>
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-<a class="anchor" id="ab6830b3ab74a5d284876141ac80f6cbc"></a>
-<div class="memitem">
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- <table class="memname">
- <tr>
- <td class="memname">attach_mkdir </td>
- <td>(</td>
- <td class="paramtype">&#160;</td>
- <td class="paramname"><em>$channel</em>, </td>
- </tr>
- <tr>
- <td class="paramkey"></td>
- <td></td>
- <td class="paramtype">&#160;</td>
- <td class="paramname"><em>$observer_hash</em>, </td>
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- <tr>
- <td class="paramkey"></td>
- <td></td>
- <td class="paramtype">&#160;</td>
- <td class="paramname"><em>$arr</em> = <code>null</code>&#160;</td>
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- <tr>
- <td></td>
- <td>)</td>
- <td></td><td></td>
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- </table>
-</div><div class="memdoc">
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-<p>Create directory. </p>
-<p>attach_mkdir($channel,$observer_hash,$arr);</p>
-<dl class="params"><dt>Parameters</dt><dd>
- <table class="params">
- <tr><td class="paramname">$channel</td><td>channel array of owner </td></tr>
- <tr><td class="paramname">$observer_hash</td><td>hash of current observer </td></tr>
- <tr><td class="paramname">$arr</td><td>parameter array to fulfil request Required: $arr['filename'] $arr['folder'] // hash of parent directory, empty string for root directory Optional: $arr['hash'] // precumputed hash for this node $arr['allow_cid'] $arr['allow_gid'] $arr['deny_cid'] $arr['deny_gid'] </td></tr>
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- </dd>
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-
-<p>Referenced by <a class="el" href="classRedDirectory.html#a986936910f0216887a25e28916c166c7">RedDirectory\createDirectory()</a>.</p>
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-</div>
-<a class="anchor" id="a84a8a64c4805e1525b42d4add464833f"></a>
-<div class="memitem">
-<div class="memproto">
- <table class="memname">
- <tr>
- <td class="memname">attach_store </td>
- <td>(</td>
- <td class="paramtype">&#160;</td>
- <td class="paramname"><em>$channel</em>, </td>
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- <tr>
- <td class="paramkey"></td>
- <td></td>
- <td class="paramtype">&#160;</td>
- <td class="paramname"><em>$observer_hash</em>, </td>
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- <tr>
- <td class="paramkey"></td>
- <td></td>
- <td class="paramtype">&#160;</td>
- <td class="paramname"><em>$options</em> = <code>''</code>, </td>
- </tr>
- <tr>
- <td class="paramkey"></td>
- <td></td>
- <td class="paramtype">&#160;</td>
- <td class="paramname"><em>$arr</em> = <code>null</code>&#160;</td>
- </tr>
- <tr>
- <td></td>
- <td>)</td>
- <td></td><td></td>
- </tr>
- </table>
-</div><div class="memdoc">
-<dl class="params"><dt>Parameters</dt><dd>
- <table class="params">
- <tr><td class="paramname">$channel</td><td>channel array of owner </td></tr>
- <tr><td class="paramname">$observer_hash</td><td>hash of current observer </td></tr>
- <tr><td class="paramname">$options</td><td>(optional) </td></tr>
- <tr><td class="paramname">$arr</td><td>(optional) </td></tr>
- </table>
- </dd>
-</dl>
-
-<p>Referenced by <a class="el" href="item_8php.html#a3daae7944f737bd30412a0d042207c0f">fix_attached_file_permissions()</a>, <a class="el" href="importelm_8php.html#a1a4f71e6d76ace6add5e9659845f5e5f">importelm_post()</a>, <a class="el" href="include_2message_8php.html#a751ffd6635022b2190f56154ee745752">send_message()</a>, and <a class="el" href="wall__attach_8php.html#a7385e970e93228d082f0fd7254f6e653">wall_attach_post()</a>.</p>
-
-</div>
-</div>
-<a class="anchor" id="a4dbfd7e1cef52aa9ef52f4b88929fa86"></a>
-<div class="memitem">
-<div class="memproto">
- <table class="memname">
- <tr>
- <td class="memname">find_filename_by_hash </td>
- <td>(</td>
- <td class="paramtype">&#160;</td>
- <td class="paramname"><em>$channel_id</em>, </td>
- </tr>
- <tr>
- <td class="paramkey"></td>
- <td></td>
- <td class="paramtype">&#160;</td>
- <td class="paramname"><em>$attachHash</em>&#160;</td>
- </tr>
- <tr>
- <td></td>
- <td>)</td>
- <td></td><td></td>
- </tr>
- </table>
-</div><div class="memdoc">
-
-<p>Referenced by <a class="el" href="include_2attach_8php.html#a1d72ef7cb940f6868e3e2a841cadfe8f">get_parent_cloudpath()</a>.</p>
-
-</div>
-</div>
-<a class="anchor" id="a052f14487ff2ce72f62a09fac8d7e997"></a>
-<div class="memitem">
-<div class="memproto">
- <table class="memname">
- <tr>
- <td class="memname">find_folder_hash_by_attach_hash </td>
- <td>(</td>
- <td class="paramtype">&#160;</td>
- <td class="paramname"><em>$channel_id</em>, </td>
- </tr>
- <tr>
- <td class="paramkey"></td>
- <td></td>
- <td class="paramtype">&#160;</td>
- <td class="paramname"><em>$attachHash</em>&#160;</td>
- </tr>
- <tr>
- <td></td>
- <td>)</td>
- <td></td><td></td>
- </tr>
- </table>
-</div><div class="memdoc">
-
-<p>Referenced by <a class="el" href="include_2attach_8php.html#a1d72ef7cb940f6868e3e2a841cadfe8f">get_parent_cloudpath()</a>.</p>
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-</div>
-</div>
-<a class="anchor" id="a6aa00ea010ea030110faefb75eafc1ce"></a>
-<div class="memitem">
-<div class="memproto">
- <table class="memname">
- <tr>
- <td class="memname">get_cloudpath </td>
- <td>(</td>
- <td class="paramtype">&#160;</td>
- <td class="paramname"><em>$arr</em></td><td>)</td>
- <td></td>
- </tr>
- </table>
-</div><div class="memdoc">
-
-<p>Returns path to file in cloud/. </p>
-<dl class="params"><dt>Parameters</dt><dd>
- <table class="params">
- <tr><td class="paramname">$arr</td><td></td></tr>
- </table>
- </dd>
-</dl>
-<dl class="section return"><dt>Returns</dt><dd>string with the path the file to cloud/ </dd></dl>
-
-<p>Referenced by <a class="el" href="filestorage_8php.html#a61bb1be78472555df4ce619f51014040">filestorage_content()</a>.</p>
-
-</div>
-</div>
-<a class="anchor" id="a1d72ef7cb940f6868e3e2a841cadfe8f"></a>
-<div class="memitem">
-<div class="memproto">
- <table class="memname">
- <tr>
- <td class="memname">get_parent_cloudpath </td>
- <td>(</td>
- <td class="paramtype">&#160;</td>
- <td class="paramname"><em>$channel_id</em>, </td>
- </tr>
- <tr>
- <td class="paramkey"></td>
- <td></td>
- <td class="paramtype">&#160;</td>
- <td class="paramname"><em>$channel_name</em>, </td>
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- <tr>
- <td class="paramkey"></td>
- <td></td>
- <td class="paramtype">&#160;</td>
- <td class="paramname"><em>$attachHash</em>&#160;</td>
- </tr>
- <tr>
- <td></td>
- <td>)</td>
- <td></td><td></td>
- </tr>
- </table>
-</div><div class="memdoc">
-
-<p>Returns path to parent folder in cloud/. </p>
-<dl class="params"><dt>Parameters</dt><dd>
- <table class="params">
- <tr><td class="paramname">$arr</td><td></td></tr>
- </table>
- </dd>
-</dl>
-<dl class="section return"><dt>Returns</dt><dd>string with the folder path </dd></dl>
-
-<p>Referenced by <a class="el" href="filestorage_8php.html#a61bb1be78472555df4ce619f51014040">filestorage_content()</a>, and <a class="el" href="filestorage_8php.html#ad3b64e3ece9831f9d3a9f00c0ae983cd">filestorage_post()</a>.</p>
-
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-</div>
-<a class="anchor" id="a5d484de2d19a93071571d6499a50ae34"></a>
-<div class="memitem">
-<div class="memproto">
- <table class="memname">
- <tr>
- <td class="memname">pipe_streams </td>
- <td>(</td>
- <td class="paramtype">&#160;</td>
- <td class="paramname"><em>$in</em>, </td>
- </tr>
- <tr>
- <td class="paramkey"></td>
- <td></td>
- <td class="paramtype">&#160;</td>
- <td class="paramname"><em>$out</em>&#160;</td>
- </tr>
- <tr>
- <td></td>
- <td>)</td>
- <td></td><td></td>
- </tr>
- </table>
-</div><div class="memdoc">
-<dl class="params"><dt>Parameters</dt><dd>
- <table class="params">
- <tr><td class="paramname">$in</td><td></td></tr>
- <tr><td class="paramname">$out</td><td></td></tr>
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- </dd>
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-<p>Referenced by <a class="el" href="mod_2attach_8php.html#aa88eb5ad87aa1036a30e70339cc6c1b1">attach_init()</a>.</p>
-
-</div>
-</div>
-<a class="anchor" id="a6fdd92775f31c07d2863e16e0026018a"></a>
-<div class="memitem">
-<div class="memproto">
- <table class="memname">
- <tr>
- <td class="memname">z_mime_content_type </td>
- <td>(</td>
- <td class="paramtype">&#160;</td>
- <td class="paramname"><em>$filename</em></td><td>)</td>
- <td></td>
- </tr>
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-</div><div class="memdoc">
-
-<p>Guess the mimetype from file ending. </p>
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-<dl class="params"><dt>Parameters</dt><dd>
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-<dl class="section return"><dt>Returns</dt><dd>string The mimetype according to a file ending. </dd></dl>
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-<p>Referenced by <a class="el" href="include_2attach_8php.html#a84a8a64c4805e1525b42d4add464833f">attach_store()</a>, and <a class="el" href="classRedDirectory.html#a2d12d99d38a6a75fc9a830b2f7fc0bf0">RedDirectory\createFile()</a>.</p>
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- <tr>
- <td class="memname">z_readdir </td>
- <td>(</td>
- <td class="paramtype">&#160;</td>
- <td class="paramname"><em>$channel_id</em>, </td>
- </tr>
- <tr>
- <td class="paramkey"></td>
- <td></td>
- <td class="paramtype">&#160;</td>
- <td class="paramname"><em>$observer_hash</em>, </td>
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- <tr>
- <td class="paramkey"></td>
- <td></td>
- <td class="paramtype">&#160;</td>
- <td class="paramname"><em>$pathname</em>, </td>
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- <tr>
- <td class="paramkey"></td>
- <td></td>
- <td class="paramtype">&#160;</td>
- <td class="paramname"><em>$parent_hash</em> = <code>''</code>&#160;</td>
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- <tr>
- <td></td>
- <td>)</td>
- <td></td><td></td>
- </tr>
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-<p>Read a virtual directory and return contents, checking permissions of all parent components. z_readdir </p>
-<dl class="params"><dt>Parameters</dt><dd>
- <table class="params">
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- <tr><td class="paramtype">string</td><td class="paramname">$observer_hash</td><td>hash of current observer </td></tr>
- <tr><td class="paramtype">string</td><td class="paramname">$pathname</td><td></td></tr>
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-
-</div>
-</div>
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-</div><!-- doc-content -->
-