Mercurial > repos > other > exif-graphr

annotate api.php @ 0:42c058ce5b7c

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Initial public commit of Exif-Graphr
author IBBoard <dev@ibboard.co.uk>
date Sun, 14 Aug 2016 20:46:16 +0100
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42c058ce5b7c Initial public commit of Exif-Graphr
IBBoard <dev@ibboard.co.uk>
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1 <?php
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2 if (!file_exists('./api-key.php')) {
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3 header($_SERVER['SERVER_PROTOCOL'] . ' 500 Internal Server Error', true, 500);
42c058ce5b7c Initial public commit of Exif-Graphr
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4 echo 'ERROR: API key not found';
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5 exit;
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6 }
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7 require('./api-key.php');
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8 if (!isset($api_key)){
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9 header($_SERVER['SERVER_PROTOCOL'] . ' 500 Internal Server Error', true, 500);
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10 echo 'ERROR: API key not set';
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11 exit;
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12 }
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13
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14 $method = '';
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15 $extras = array();
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16 foreach ($_GET as $k => $v) {
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17 if ($k == 'method') {
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18 if (preg_match('/^flickr(\.[a-zA-Z]+){2,}$/', $v)) {
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19 $method = $v;
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20 }
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21 } else if (preg_match('/^[0-9a-zA-Z@\._-]+$/', $k) && preg_match('/^[0-9a-zA-Z@:\/\._ -]+$/', $v)) {
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22 $extras[$k] = $v;
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23 }
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24 }
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26 if (!$method){
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27 header($_SERVER['SERVER_PROTOCOL'] . ' 500 Internal Server Error', true, 500);
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28 echo 'No Flickr API method specified';
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29 exit();
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30 }
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32 $extra = implode('&', array_map(function($k, $v) { return $k . '=' . urlencode($v); }, array_keys($extras), $extras));
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33 if ($extra) {
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34 $extra = '&'.$extra;
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35 }
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36 $base_url = 'https://secure.flickr.com/services/rest/?api_key=' . $api_key .'&format=json&nojsoncallback=1&method=';
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37
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38 $cache = 'data/'.str_replace(array('&', '=', ' '), '-', $method . $extra).'.json';
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41 if (!file_exists($cache) || (time() - filemtime($cache)) > (24 * 60 * 60)) {
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42 $ch = curl_init($base_url . $method . $extra);
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43 $fp = fopen($cache, "w");
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44 curl_setopt($ch, CURLOPT_FILE, $fp);
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45 curl_setopt($ch, CURLOPT_HEADER, 0);
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46 curl_exec($ch);
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47 curl_close($ch);
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48 fclose($fp);
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49 }
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51 if (!file_exists($cache)) {
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52 header($_SERVER['SERVER_PROTOCOL'] . ' 500 Internal Server Error', true, 500);
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53 }
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54 echo file_get_contents($cache);