3 require_once('include/security.php');
4 require_once('include/Photo.php');
6 function photo_init(&$a) {
9 $prvcachecontrol = false;
14 $person = $a->argv[3];
15 $customres = intval($a->argv[2]);
19 $person = $a->argv[2];
32 // strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']) >= filemtime($localFileName)) {
33 if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE'])) {
34 header('HTTP/1.1 304 Not Modified');
35 header("Last-Modified: " . gmdate("D, d M Y H:i:s", time()) . " GMT");
36 header('Etag: '.$_SERVER['HTTP_IF_NONE_MATCH']);
37 header("Expires: " . gmdate("D, d M Y H:i:s", time() + (31536000)) . " GMT");
38 header("Cache-Control: max-age=31536000");
39 if(function_exists('header_remove')) {
40 header_remove('Last-Modified');
41 header_remove('Expires');
42 header_remove('Cache-Control');
47 $default = 'images/person-175.jpg';
64 $default = 'images/person-48.jpg';
69 $default = 'images/person-80.jpg';
73 $uid = str_replace(array('.jpg','.png'),array('',''), $person);
75 $r = q("SELECT * FROM `photo` WHERE `scale` = %d AND `uid` = %d AND `profile` = 1 LIMIT 1",
80 $data = $r[0]['data'];
81 $mimetype = $r[0]['type'];
84 $data = file_get_contents($default);
85 $mimetype = 'image/jpeg';
95 foreach( Photo::supportedTypes() as $m=>$e){
96 $photo = str_replace(".$e",'',$photo);
99 if(substr($photo,-2,1) == '-') {
100 $resolution = intval(substr($photo,-1,1));
101 $photo = substr($photo,0,-2);
104 $r = q("SELECT `uid` FROM `photo` WHERE `resource-id` = '%s' AND `scale` = %d LIMIT 1",
110 $sql_extra = permissions_sql($r[0]['uid']);
112 // Now we'll see if we can access the photo
114 $r = q("SELECT * FROM `photo` WHERE `resource-id` = '%s' AND `scale` = %d $sql_extra LIMIT 1",
119 $public = ($r[0]['allow_cid'] == '') AND ($r[0]['allow_gid'] == '') AND ($r[0]['deny_cid'] == '') AND ($r[0]['deny_gid'] == '');
122 $data = $r[0]['data'];
123 $mimetype = $r[0]['type'];
127 // Does the picture exist? It may be a remote person with no credentials,
128 // but who should otherwise be able to view it. Show a default image to let
129 // them know permissions was denied. It may be possible to view the image
130 // through an authenticated profile visit.
131 // There won't be many completely unauthorised people seeing this because
132 // they won't have the photo link, so there's a reasonable chance that the person
133 // might be able to obtain permission to view it.
135 $r = q("SELECT * FROM `photo` WHERE `resource-id` = '%s' AND `scale` = %d LIMIT 1",
140 $data = file_get_contents('images/nosign.jpg');
141 $mimetype = 'image/jpeg';
142 $prvcachecontrol = true;
149 if(isset($resolution)) {
150 switch($resolution) {
153 $data = file_get_contents('images/person-175.jpg');
154 $mimetype = 'image/jpeg';
157 $data = file_get_contents('images/person-80.jpg');
158 $mimetype = 'image/jpeg';
161 $data = file_get_contents('images/person-48.jpg');
162 $mimetype = 'image/jpeg';
172 if(isset($customres) && $customres > 0 && $customres < 500) {
173 $ph = new Photo($data, $mimetype);
174 if($ph->is_valid()) {
175 $ph->scaleImageSquare($customres);
176 $data = $ph->imageString();
177 $mimetype = $ph->getType();
181 if(function_exists('header_remove')) {
182 header_remove('Pragma');
183 header_remove('pragma');
186 header("Content-type: ".$mimetype);
188 if($prvcachecontrol) {
190 // it is a private photo that they have no permission to view.
191 // tell the browser not to cache it, in case they authenticate
192 // and subsequently have permission to see it
194 header("Cache-Control: no-store, no-cache, must-revalidate");
198 header("Last-Modified: " . gmdate("D, d M Y H:i:s", time()) . " GMT");
199 header('Etag: "'.md5($data).'"');
200 header("Expires: " . gmdate("D, d M Y H:i:s", time() + (31536000)) . " GMT");
201 header("Cache-Control: max-age=31536000");
205 // If the photo is public and there is an existing photo directory store the photo there
206 if ($public and ($file != ""))
207 if (is_dir($_SERVER["DOCUMENT_ROOT"]."/photo"))
208 file_put_contents($_SERVER["DOCUMENT_ROOT"]."/photo/".$file, $data);