PHP Cách download files từ một server sftp về local

Tram Ho
3 năm ago
<span class="token php language-php"><span class="token delimiter important">&lt;?php</span>
    <span class="token operator">&lt;</span>br<span class="token operator">&gt;</span>
    <span class="token comment">// Make our connection &lt;br&gt;</span>
    <span class="token variable">$connection</span> <span class="token operator">=</span> <span class="token function">ssh2_connect</span><span class="token punctuation">(</span><span class="token string single-quoted-string">'c0389i0.hondacars.biz'</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token operator">&lt;</span>br<span class="token operator">&gt;</span>
     <span class="token operator">&lt;</span>br<span class="token operator">&gt;</span>
    <span class="token comment">// Authenticate&lt;br&gt;</span>
    <span class="token keyword">if</span> <span class="token punctuation">(</span><span class="token operator">!</span><span class="token function">ssh2_auth_password</span><span class="token punctuation">(</span><span class="token variable">$connection</span><span class="token punctuation">,</span> <span class="token string single-quoted-string">'skkikaku'</span><span class="token punctuation">,</span> <span class="token string single-quoted-string">'lG17DwToDvi'</span><span class="token punctuation">)</span><span class="token punctuation">)</span> <span class="token punctuation">{</span><span class="token operator">&lt;</span>br<span class="token operator">&gt;</span>
        <span class="token keyword">throw</span> <span class="token keyword">new</span> <span class="token class-name">Exception</span><span class="token punctuation">(</span><span class="token string single-quoted-string">'Unable to connect.'</span><span class="token punctuation">)</span><span class="token punctuation">;</span><span class="token operator">&lt;</span>br<span class="token operator">&gt;</span>
    <span class="token punctuation">}</span> <span class="token keyword">else</span> <span class="token punctuation">{</span><span class="token operator">&lt;</span>br<span class="token operator">&gt;</span>
        <span class="token keyword">echo</span> <span class="token string double-quoted-string">"connected"</span><span class="token punctuation">;</span><span class="token operator">&lt;</span>br<span class="token operator">&gt;</span>
    <span class="token punctuation">}</span><span class="token operator">&lt;</span>br<span class="token operator">&gt;</span>
<span class="token operator">&lt;</span>br<span class="token operator">&gt;</span>
    <span class="token comment">// Create our SFTP resource&lt;br&gt;</span>
    <span class="token keyword">if</span> <span class="token punctuation">(</span><span class="token operator">!</span><span class="token variable">$sftp</span> <span class="token operator">=</span> <span class="token function">ssh2_sftp</span><span class="token punctuation">(</span><span class="token variable">$connection</span><span class="token punctuation">)</span><span class="token punctuation">)</span> <span class="token punctuation">{</span><span class="token operator">&lt;</span>br<span class="token operator">&gt;</span>
        <span class="token keyword">throw</span> <span class="token keyword">new</span> <span class="token class-name">Exception</span><span class="token punctuation">(</span><span class="token string single-quoted-string">'Unable to create SFTP connection.'</span><span class="token punctuation">)</span><span class="token punctuation">;</span><span class="token operator">&lt;</span>br<span class="token operator">&gt;</span>
    <span class="token punctuation">}</span> <span class="token keyword">else</span> <span class="token punctuation">{</span><span class="token operator">&lt;</span>br<span class="token operator">&gt;</span>
        <span class="token keyword">echo</span> <span class="token string double-quoted-string">"connected2"</span><span class="token punctuation">;</span><span class="token operator">&lt;</span>br<span class="token operator">&gt;</span>
    <span class="token punctuation">}</span><span class="token operator">&lt;</span>br<span class="token operator">&gt;</span>
<span class="token operator">&lt;</span>br<span class="token operator">&gt;</span>
    <span class="token variable">$files</span> <span class="token operator">=</span> <span class="token keyword">array</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span><span class="token operator">&lt;</span>br<span class="token operator">&gt;</span>
    <span class="token variable">$dirHandle</span> <span class="token operator">=</span> <span class="token function">opendir</span><span class="token punctuation">(</span><span class="token string double-quoted-string">"ssh2.sftp://<span class="token interpolation"><span class="token variable">$sftp</span></span>/home/skkikaku/csv/"</span><span class="token punctuation">)</span><span class="token punctuation">;</span><span class="token operator">&lt;</span>br<span class="token operator">&gt;</span>
     <span class="token operator">&lt;</span>br<span class="token operator">&gt;</span>
    <span class="token comment">// Properly scan through the directory for files, ignoring directory indexes (. &amp; ..)&lt;br&gt;</span>
    <span class="token keyword">while</span> <span class="token punctuation">(</span><span class="token constant boolean">false</span> <span class="token operator">!==</span> <span class="token punctuation">(</span><span class="token variable">$file</span> <span class="token operator">=</span> <span class="token function">readdir</span><span class="token punctuation">(</span><span class="token variable">$dirHandle</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">)</span> <span class="token punctuation">{</span><span class="token operator">&lt;</span>br<span class="token operator">&gt;</span>
        <span class="token keyword">if</span> <span class="token punctuation">(</span><span class="token variable">$file</span> <span class="token operator">!=</span> <span class="token string single-quoted-string">'.'</span> <span class="token operator">&amp;&amp;</span> <span class="token variable">$file</span> <span class="token operator">!=</span> <span class="token string single-quoted-string">'..'</span><span class="token punctuation">)</span> <span class="token punctuation">{</span><span class="token operator">&lt;</span>br<span class="token operator">&gt;</span>
            <span class="token variable">$files</span><span class="token punctuation">[</span><span class="token punctuation">]</span> <span class="token operator">=</span> <span class="token variable">$file</span><span class="token punctuation">;</span><span class="token operator">&lt;</span>br<span class="token operator">&gt;</span>
        <span class="token punctuation">}</span><span class="token operator">&lt;</span>br<span class="token operator">&gt;</span>
    <span class="token punctuation">}</span><span class="token operator">&lt;</span>br<span class="token operator">&gt;</span>
<span class="token operator">&lt;</span>br<span class="token operator">&gt;</span>
    
    <span class="token keyword">if</span> <span class="token punctuation">(</span><span class="token function">count</span><span class="token punctuation">(</span><span class="token variable">$files</span><span class="token punctuation">)</span><span class="token punctuation">)</span> <span class="token punctuation">{</span><span class="token operator">&lt;</span>br<span class="token operator">&gt;</span>
        <span class="token keyword">foreach</span> <span class="token punctuation">(</span><span class="token variable">$files</span> <span class="token keyword">as</span> <span class="token variable">$fileName</span><span class="token punctuation">)</span> <span class="token punctuation">{</span><span class="token operator">&lt;</span>br<span class="token operator">&gt;</span>
            <span class="token comment">// Remote stream&lt;br&gt;</span>
            <span class="token keyword">if</span> <span class="token punctuation">(</span><span class="token operator">!</span><span class="token variable">$remoteStream</span> <span class="token operator">=</span> @<span class="token function">fopen</span><span class="token punctuation">(</span><span class="token string double-quoted-string">"ssh2.sftp://<span class="token interpolation"><span class="token variable">$sftp</span></span>/home/skkikaku/csv/<span class="token interpolation"><span class="token variable">$fileName</span></span>"</span><span class="token punctuation">,</span> <span class="token string single-quoted-string">'r'</span><span class="token punctuation">)</span><span class="token punctuation">)</span> <span class="token punctuation">{</span><span class="token operator">&lt;</span>br<span class="token operator">&gt;</span>
                <span class="token keyword">throw</span> <span class="token keyword">new</span> <span class="token class-name">Exception</span><span class="token punctuation">(</span><span class="token string double-quoted-string">"Unable to open remote file: <span class="token interpolation"><span class="token variable">$fileName</span></span>"</span><span class="token punctuation">)</span><span class="token punctuation">;</span><span class="token operator">&lt;</span>br<span class="token operator">&gt;</span>
            <span class="token punctuation">}</span> <span class="token operator">&lt;</span>br<span class="token operator">&gt;</span>
     <span class="token operator">&lt;</span>br<span class="token operator">&gt;</span>
            <span class="token comment">// Local stream&lt;br&gt;</span>
            <span class="token function">chmod</span><span class="token punctuation">(</span><span class="token variable">$_SERVER</span><span class="token punctuation">[</span><span class="token string single-quoted-string">'DOCUMENT_ROOT'</span><span class="token punctuation">]</span> <span class="token operator">.</span> <span class="token string single-quoted-string">'/localdir/$fileName'</span><span class="token punctuation">,</span> <span class="token number">0777</span><span class="token punctuation">)</span><span class="token punctuation">;</span><span class="token operator">&lt;</span>br<span class="token operator">&gt;</span>
            <span class="token keyword">if</span> <span class="token punctuation">(</span><span class="token operator">!</span><span class="token variable">$localStream</span> <span class="token operator">=</span> @<span class="token function">fopen</span><span class="token punctuation">(</span><span class="token variable">$_SERVER</span><span class="token punctuation">[</span><span class="token string single-quoted-string">'DOCUMENT_ROOT'</span><span class="token punctuation">]</span><span class="token operator">.</span><span class="token string double-quoted-string">"/localdir/<span class="token interpolation"><span class="token variable">$fileName</span></span>"</span><span class="token punctuation">,</span> <span class="token string single-quoted-string">'w'</span><span class="token punctuation">)</span><span class="token punctuation">)</span> <span class="token punctuation">{</span><span class="token operator">&lt;</span>br<span class="token operator">&gt;</span>
                <span class="token keyword">throw</span> <span class="token keyword">new</span> <span class="token class-name">Exception</span><span class="token punctuation">(</span><span class="token string double-quoted-string">"Unable to open local file for writing: /localdir/<span class="token interpolation"><span class="token variable">$fileName</span></span>"</span><span class="token punctuation">)</span><span class="token punctuation">;</span><span class="token operator">&lt;</span>br<span class="token operator">&gt;</span>
            <span class="token punctuation">}</span><span class="token operator">&lt;</span>br<span class="token operator">&gt;</span>
     <span class="token operator">&lt;</span>br<span class="token operator">&gt;</span>
            <span class="token comment">// Write from our remote stream to our local stream&lt;br&gt;</span>
            <span class="token variable">$read</span> <span class="token operator">=</span> <span class="token number">0</span><span class="token punctuation">;</span><span class="token operator">&lt;</span>br<span class="token operator">&gt;</span>
            <span class="token variable">$fileSize</span> <span class="token operator">=</span> <span class="token function">filesize</span><span class="token punctuation">(</span><span class="token string double-quoted-string">"ssh2.sftp://<span class="token interpolation"><span class="token variable">$sftp</span></span>/home/skkikaku/csv/<span class="token interpolation"><span class="token variable">$fileName</span></span>"</span><span class="token punctuation">)</span><span class="token punctuation">;</span><span class="token operator">&lt;</span>br<span class="token operator">&gt;</span>
            <span class="token keyword">while</span> <span class="token punctuation">(</span><span class="token variable">$read</span> <span class="token operator">&lt;</span> <span class="token variable">$fileSize</span> <span class="token operator">&amp;&amp;</span> <span class="token punctuation">(</span><span class="token variable">$buffer</span> <span class="token operator">=</span> <span class="token function">fread</span><span class="token punctuation">(</span><span class="token variable">$remoteStream</span><span class="token punctuation">,</span> <span class="token variable">$fileSize</span> <span class="token operator">-</span> <span class="token variable">$read</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">)</span> <span class="token punctuation">{</span><span class="token operator">&lt;</span>br<span class="token operator">&gt;</span>
                <span class="token comment">// Increase our bytes read&lt;br&gt;</span>
                <span class="token variable">$read</span> <span class="token operator">+=</span> <span class="token function">strlen</span><span class="token punctuation">(</span><span class="token variable">$buffer</span><span class="token punctuation">)</span><span class="token punctuation">;</span><span class="token operator">&lt;</span>br<span class="token operator">&gt;</span>
     <span class="token operator">&lt;</span>br<span class="token operator">&gt;</span>
                <span class="token comment">// Write to our local file&lt;br&gt;</span>
                <span class="token keyword">if</span> <span class="token punctuation">(</span><span class="token function">fwrite</span><span class="token punctuation">(</span><span class="token variable">$localStream</span><span class="token punctuation">,</span> <span class="token variable">$buffer</span><span class="token punctuation">)</span> <span class="token operator">===</span> <span class="token constant boolean">FALSE</span><span class="token punctuation">)</span> <span class="token punctuation">{</span><span class="token operator">&lt;</span>br<span class="token operator">&gt;</span>
                    <span class="token keyword">throw</span> <span class="token keyword">new</span> <span class="token class-name">Exception</span><span class="token punctuation">(</span><span class="token string double-quoted-string">"Unable to write to local file: /localdir/<span class="token interpolation"><span class="token variable">$fileName</span></span>"</span><span class="token punctuation">)</span><span class="token punctuation">;</span><span class="token operator">&lt;</span>br<span class="token operator">&gt;</span>
                <span class="token punctuation">}</span><span class="token operator">&lt;</span>br<span class="token operator">&gt;</span>
            <span class="token punctuation">}</span><span class="token operator">&lt;</span>br<span class="token operator">&gt;</span>
     <span class="token operator">&lt;</span>br<span class="token operator">&gt;</span>
            <span class="token comment">// Close our streams&lt;br&gt;</span>
            <span class="token function">fclose</span><span class="token punctuation">(</span><span class="token variable">$localStream</span><span class="token punctuation">)</span><span class="token punctuation">;</span><span class="token operator">&lt;</span>br<span class="token operator">&gt;</span>
            <span class="token function">fclose</span><span class="token punctuation">(</span><span class="token variable">$remoteStream</span><span class="token punctuation">)</span><span class="token punctuation">;</span><span class="token operator">&lt;</span>br<span class="token operator">&gt;</span>
        <span class="token punctuation">}</span><span class="token operator">&lt;</span>br<span class="token operator">&gt;</span>
    <span class="token punctuation">}</span><span class="token operator">&lt;</span>br<span class="token operator">&gt;</span></span>
<?php
<br>
// Make our connection
$connection = ssh2_connect('c0389i0.hondacars.biz'); <br>
<br>
// Authenticate
if (!ssh2_auth_password($connection, 'skkikaku', 'lG17DwToDvi')) {<br>
throw new Exception('Unable to connect.');<br>
} else {<br>
echo "connected";<br>
}<br>
<br>
// Create our SFTP resource
if (!$sftp = ssh2_sftp($connection)) {<br>
throw new Exception('Unable to create SFTP connection.');<br>
} else {<br>
echo "connected2";<br>
}<br>
<br>
$files = array();<br>
$dirHandle = opendir("ssh2.sftp://$sftp/home/skkikaku/csv/");<br>
<br>
// Properly scan through the directory for files, ignoring directory indexes (. & ..)
while (false !== ($file = readdir($dirHandle))) {<br>
if ($file != '.' && $file != '..') {<br>
$files[] = $file;<br>
}<br>
<br>
if (count($files)) {<br>
foreach ($files as $fileName) {<br>
// Remote stream
if (!$remoteStream = @fopen("ssh2.sftp://$sftp/home/skkikaku/csv/$fileName", 'r')) {<br>
throw new Exception("Unable to open remote file: $fileName");<br>
} <br>
<br>
// Local stream
chmod($_SERVER['DOCUMENT_ROOT'] . '/localdir/$fileName', 0777);<br>
if (!$localStream = @fopen($_SERVER['DOCUMENT_ROOT']."/localdir/$fileName", 'w')) {<br>
throw new Exception("Unable to open local file for writing: /localdir/$fileName");<br>
}<br>
<br>
// Write from our remote stream to our local stream
$read = 0;<br>
$fileSize = filesize("ssh2.sftp://$sftp/home/skkikaku/csv/$fileName");<br>
while ($read < $fileSize && ($buffer = fread($remoteStream, $fileSize - $read))) {<br>
// Increase our bytes read
$read += strlen($buffer);<br>
<br>
// Write to our local file
if (fwrite($localStream, $buffer) === FALSE) {<br>
throw new Exception("Unable to write to local file: /localdir/$fileName");<br>
}<br>
<br>
// Close our streams
fclose($localStream);<br>
fclose($remoteStream);<br>
}<br>
}<br>
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