mods/_standard/profile_pictures/save_profile_picture.php

   1 <?php
   2 /***********************************************************************/
   3 /* ATutor                                                                                                                          */
   4 /***********************************************************************/
   5 /* Copyright (c) 2002-2010                                             */
   6 /* Inclusive Design Institute                                          */
   7 /* http://atutor.ca                                                                                                        */
   8 /*                                                                                                                                         */
   9 /* This program is free software. You can redistribute it and/or           */
  10 /* modify it under the terms of the GNU General Public License             */
  11 /* as published by the Free Software Foundation.                                           */
  12 /***********************************************************************/
  13
  14 if (!isset($member_id) || $member_id == 0) $member_id = $_SESSION['member_id'];
  15
  16 function resize_image($src, $dest, $src_h, $src_w, $dest_h, $dest_w, $type, $src_x=0, $src_y=0) {
  17         $thumbnail_img = imagecreatetruecolor($dest_w, $dest_h);
  18
  19         if ($type == 'gif') {
  20                 $source = imagecreatefromgif($src);
  21         } else if ($type == 'jpg') {
  22                 $source = imagecreatefromjpeg($src);
  23         } else {
  24                 $source = imagecreatefrompng($src);
  25         }
  26
  27         if ($src_x > 0 || $src_y > 0){
  28                 imagecopyresized($thumbnail_img, $source, 0, 0, $src_x, $src_y, $dest_w, $dest_h, $src_w, $src_h);
  29         } else {
  30                 imagecopyresampled($thumbnail_img, $source, $src_x, $src_y, 0, 0, $dest_w, $dest_h, $src_w, $src_h);
  31         }
  32
  33         if ($type == 'gif') {
  34                 imagegif($thumbnail_img, $dest);
  35         } else if ($type == 'jpg') {
  36                 imagejpeg($thumbnail_img, $dest, 75);
  37         } else {
  38                 imagepng($thumbnail_img, $dest, 7);
  39         }
  40 }
  41
  42 // check if GD is installed
  43 if (!extension_loaded('gd')) {
  44         require(AT_INCLUDE_PATH.'header.inc.php');
  45         $msg->printInfos('FEATURE_NOT_AVAILABLE');
  46         require(AT_INCLUDE_PATH.'footer.inc.php');
  47         exit;
  48 }
  49
  50 // check if folder exists, if not, create it
  51 if (!is_dir(AT_CONTENT_DIR.'/profile_pictures/profile')) {
  52         mkdir(AT_CONTENT_DIR.'/profile_pictures/profile');
  53 }
  54
  55 // check if this is a request from the photo album
  56 $aid = intval($_GET['aid']);
  57 $pid = intval($_GET['pid']);
  58 if ($pid>0 && $aid>0){
  59         $photo_set_profile = true;
  60 } else {
  61         $photo_set_profile = false;
  62 }
  63
  64 $gd_info = gd_info();
  65 $supported_images = array();
  66 if ($gd_info['GIF Create Support']) {
  67         $supported_images[] = 'gif';
  68 }
  69 if ($gd_info['JPG Support'] || $gd_info['JPEG Support']) {
  70         $supported_images[] = 'jpg';
  71 }
  72 if ($gd_info['PNG Support']) {
  73         $supported_images[] = 'png';
  74 }
  75
  76 if (!$supported_images) {
  77         require(AT_INCLUDE_PATH.'header.inc.php');
  78         $msg->printInfos('FEATURE_NOT_AVAILABLE');
  79         require(AT_INCLUDE_PATH.'footer.inc.php');
  80         exit;
  81 }
  82
  83 if (isset($_POST['cancel'])) {
  84         $msg->addFeedback('CANCELLED');
  85         header('Location: '.$_SERVER['PHP_SELF'].'?member_id='.$member_id);
  86         exit;
  87 } else if (isset($_POST['submit']) || $photo_set_profile) {
  88         if (isset($_POST['delete']) && !$_FILES['file']['size']) {
  89                 profile_image_delete($member_id);
  90
  91                 $msg->addFeedback('PROFILE_UPDATED');
  92
  93                 header('Location: '.$_SERVER['PHP_SELF'].'?member_id='.$member_id);
  94                 exit;
  95         } else if ($_FILES['file']['error'] == UPLOAD_ERR_FORM_SIZE) {
  96                 $msg->addError(array('FILE_MAX_SIZE', $_config['prof_pic_max_file_size'] . ' ' . _AT('bytes')));
  97                 header('Location: '.$_SERVER['PHP_SELF'].'?member_id='.$member_id);
  98                 exit;
  99         } else if (!$_FILES['file']['size'] && !$photo_set_profile) {
 100                 header('Location: '.$_SERVER['PHP_SELF'].'?member_id='.$member_id);
 101                 exit;
 102         }
 103
 104         // if this is a picture from the photo album
 105         if ($photo_set_profile) {
 106                 include (AT_PA_INCLUDE.'lib.inc.php');
 107                 include (AT_PA_INCLUDE.'classes/PhotoAlbum.class.php');
 108         //run a check to see if any personal album exists, if not, create one.
 109         $sql = 'SELECT * FROM '.TABLE_PREFIX.'pa_albums WHERE member_id='.$_SESSION['member_id'].' AND type_id='.AT_PA_TYPE_PERSONAL;
 110         $result = mysql_query($sql, $db);
 111         if ($result){
 112             //precondition: Profile Album always exists.
 113                 $row = mysql_fetch_assoc($result);      //album info.
 114                 $profile_aid = $row['id'];  //current profile album id
 115         }
 116         $pa_profile = new PhotoAlbum($profile_aid);
 117
 118                 // album id of the GET requests (via set profile picture link)
 119                 $pa = new PhotoAlbum($aid);
 120                 $album_info = $pa->getAlbumInfo();
 121                 $photo_info = $pa->getPhotoInfo($pid);
 122
 123                 //Validate users, using permission and course album control.
 124                 $visible_albums = $pa->getAlbums($_SESSION['member_id'], $photo_info['type_id']);
 125                 if(!isset($visible_albums[$aid]) && $album_info['permission']==AT_PA_PRIVATE_ALBUM){
 126                         //TODO msg;
 127                         $msg->addError("ACCESS_DENIED");
 128                         header('location: index.php');
 129                         exit;
 130                 }
 131
 132         // get the current photo info, and paths
 133                 $album_file_path = getAlbumFilePath($album_info['id'], $album_info['created_date']);
 134                 $album_file_path_tn = $album_file_path.'_tn'.DIRECTORY_SEPARATOR;
 135         $album_file_path .= DIRECTORY_SEPARATOR;
 136                 $photo_file_path = getPhotoFilePath($photo_info['id'], $photo_info['name'], $photo_info['created_date']);
 137                 $photo_location = AT_PA_CONTENT_DIR . $album_file_path . $photo_file_path;
 138                 $photo_tn_location = AT_PA_CONTENT_DIR . $album_file_path_tn . $photo_file_path;
 139
 140                 if ($aid!=$profile_aid){
 141                     // now, get the new photo info, and path
 142                     $pa_profile->addPhoto($photo_info['name'], $photo_info['description'], $_SESSION['member_id']);
 143                     $album_info_new = $pa_profile->getAlbumInfo();
 144                     $album_file_path_new = getAlbumFilePath($album_info_new['id'], $album_info_new['created_date']);
 145                     $album_file_path_tn_new = $album_file_path_new.'_tn'.DIRECTORY_SEPARATOR;
 146                 $album_file_path_new .= DIRECTORY_SEPARATOR;
 147                     $added_photo_id = mysql_insert_id();
 148                     $photo_info_new = $pa->getPhotoInfo($added_photo_id);
 149                     $photo_file_path_new = getPhotoFilePath($added_photo_id, $photo_info_new['name'], $photo_info_new['created_date']);
 150                     $photo_location_new = AT_PA_CONTENT_DIR . $album_file_path_new . $photo_file_path_new;
 151                     $photo_tn_location_new = AT_PA_CONTENT_DIR . $album_file_path_tn_new . $photo_file_path_new;
 152
 153                     // if directory does not exist, create it.
 154                     if (!is_dir(AT_PA_CONTENT_DIR.$album_file_path_new)){
 155                         mkdir(AT_PA_CONTENT_DIR.$album_file_path_new);
 156                 }
 157                 if (!is_dir(AT_PA_CONTENT_DIR.$album_file_path_tn_new)){
 158                         mkdir(AT_PA_CONTENT_DIR.$album_file_path_tn_new);
 159                 }
 160
 161                 // copy both original and thumbnail over to the profile album
 162                     copy($photo_location, $photo_location_new);
 163                     copy($photo_tn_location, $photo_tn_location_new);
 164                 }
 165
 166                 $filename = $photo_info['name'];
 167                 $image_attributes = getimagesize($photo_location);
 168         } else {
 169                 // check if this is a supported file type
 170                 $filename   = $stripslashes($_FILES['file']['name']);
 171                 $image_attributes = getimagesize($_FILES['file']['tmp_name']);
 172         }
 173         $path_parts = pathinfo($filename);
 174         $extension  = strtolower($path_parts['extension']);
 175
 176         if ($extension == 'jpeg') {
 177                 $extension = 'jpg';
 178         }
 179
 180         if (!in_array($extension, $supported_images)) {
 181                 $msg->addError(array('FILE_ILLEGAL', $extension));
 182                 header('Location: '.$_SERVER['PHP_SELF'].'?member_id='.$member_id);
 183                 exit;
 184         } else if ($image_attributes[2] > IMAGETYPE_PNG) {
 185                 $msg->addError(array('FILE_ILLEGAL', $extension));
 186                 header('Location: '.$_SERVER['PHP_SELF'].'?member_id='.$member_id);
 187                 exit;
 188         }
 189
 190         // make sure under max file size
 191         if ($_FILES['file']['size'] > $_config['prof_pic_max_file_size']) {
 192                 $msg->addError('FILE_MAX_SIZE');
 193                 header('Location: '.$_SERVER['PHP_SELF'].'?member_id='.$member_id);
 194                 exit;
 195         }
 196
 197         // delete the old images (if any)
 198         profile_image_delete($member_id);
 199
 200         $new_filename   = $member_id . '.' . $extension;
 201         $original_img  = AT_CONTENT_DIR.'profile_pictures/originals/'. $new_filename;
 202         $profile_img   = AT_CONTENT_DIR.'profile_pictures/profile/'. $new_filename;
 203         $thumbnail_img = AT_CONTENT_DIR.'profile_pictures/thumbs/'. $new_filename;
 204
 205         // save original
 206         if ($photo_set_profile){
 207                 copy($photo_location, $original_img);
 208         } else {
 209                 if (!move_uploaded_file($_FILES['file']['tmp_name'], $original_img)) {
 210                         $msg->addError('CANNOT_OVERWRITE_FILE');
 211                         header('Location: '.$_SERVER['PHP_SELF'].'?member_id='.$member_id);
 212                         exit;
 213                 }
 214         }
 215
 216         // resize the original and save it at $thumbnail_file
 217         $width  = $image_attributes[0];
 218         $height = $image_attributes[1];
 219
 220         $thumbnail_fixed_height = 60;
 221         $thumbnail_fixed_width = 60;
 222
 223         if ($width > $height && $height > $thumbnail_fixed_height) {
 224                 $thumbnail_height= $thumbnail_fixed_height;
 225                 $thumbnail_width = intval($thumbnail_fixed_height * $width / $height);
 226                 resize_image($original_img, $thumbnail_img, $height, $width, $thumbnail_height, $thumbnail_width, $extension);
 227                 //cropping
 228                 resize_image($thumbnail_img, $thumbnail_img, $thumbnail_fixed_height, $thumbnail_fixed_width, $thumbnail_fixed_height, $thumbnail_fixed_width, $extension, ($thumbnail_width-$thumbnail_fixed_width)/2);
 229         } else if ($width <= $height && $width>$thumbnail_fixed_width) {
 230                 $thumbnail_height = intval($thumbnail_fixed_width * $height / $width);
 231                 $thumbnail_width  = $thumbnail_fixed_width;
 232                 resize_image($original_img, $thumbnail_img, $height, $width, $thumbnail_height, $thumbnail_width, $extension);
 233                 //cropping
 234                 resize_image($thumbnail_img, $thumbnail_img, $thumbnail_fixed_height, $thumbnail_fixed_width, $thumbnail_fixed_height, $thumbnail_fixed_width, $extension, 0, ($thumbnail_height-$thumbnail_fixed_height)/2);
 235         } else {
 236                 // no resizing, just copy the image.
 237                 // it's too small to resize.
 238                 copy($original_img, $thumbnail_img);
 239         }
 240
 241         // resize the original and save it to profile
 242         $profile_fixed_height = 320;
 243         $profile_fixed_width = 240;
 244         if ($width > $height && $height>$profile_fixed_height) {
 245                 $profile_width = intval($profile_fixed_height * $width / $height);
 246                 $profile_height  = $profile_fixed_height;
 247                 resize_image($original_img, $profile_img, $height, $width, $profile_height, $profile_width, $extension);
 248                 //cropping
 249                 resize_image($profile_img, $profile_img, $profile_fixed_height, $profile_fixed_width, $profile_fixed_height, $profile_fixed_width, $extension, ($profile_width-$profile_fixed_width)/2);
 250         } else if ($width <= $height && $width > $profile_fixed_width) {
 251                 $profile_width = $profile_fixed_width;
 252                 $profile_height = intval($profile_fixed_width * $height / $width);
 253                 resize_image($original_img, $profile_img, $height, $width, $profile_height, $profile_width, $extension);
 254                 //cropping
 255                 resize_image($profile_img, $profile_img, $profile_fixed_height, $profile_fixed_width, $profile_fixed_height, $profile_fixed_width, $extension, 0, ($profile_height-$profile_fixed_height)/2);
 256         } else {
 257                 // no resizing, just copy the image.
 258                 // it's too small to resize.
 259                 copy($original_img, $profile_img);
 260         }
 261
 262         $msg->addFeedback('PROFILE_UPDATED');
 263
 264         header('Location: '.$_SERVER['PHP_SELF'].'?member_id='.$member_id);
 265         exit;
 266 }
 267 ?>