]> git.mxchange.org Git - friendica.git/blobdiff - src/Model/Photo.php
Detection of local requests
[friendica.git] / src / Model / Photo.php
index 5f8551fa2708a70c7c8338df36b81bb578988708..30e666898777c5b4a9c245d5a31b611b9373b932 100644 (file)
@@ -1,6 +1,6 @@
 <?php
 /**
- * @copyright Copyright (C) 2020, Friendica
+ * @copyright Copyright (C) 2010-2021, the Friendica project
  *
  * @license GNU AGPL version 3 or any later version
  *
@@ -27,11 +27,13 @@ use Friendica\Core\System;
 use Friendica\Database\DBA;
 use Friendica\Database\DBStructure;
 use Friendica\DI;
+use Friendica\Model\Storage\ExternalResource;
 use Friendica\Model\Storage\SystemResource;
 use Friendica\Object\Image;
 use Friendica\Util\DateTimeFormat;
 use Friendica\Util\Images;
 use Friendica\Security\Security;
+use Friendica\Util\Proxy;
 use Friendica\Util\Strings;
 
 require_once "include/dba.php";
@@ -177,7 +179,7 @@ class Photo
 
 
        /**
-        * Get Image object for given row id. null if row id does not exist
+        * Get Image data for given row id. null if row id does not exist
         *
         * @param array $photo Photo data. Needs at least 'id', 'type', 'backend-class', 'backend-ref'
         *
@@ -185,10 +187,14 @@ class Photo
         * @throws \Friendica\Network\HTTPException\InternalServerErrorException
         * @throws \ImagickException
         */
-       public static function getImageForPhoto(array $photo)
+       public static function getImageDataForPhoto(array $photo)
        {
+               if (!empty($photo['data'])) {
+                       return $photo['data'];
+               }
+
                $backendClass = DI::storageManager()->getByName($photo['backend-class'] ?? '');
-               if ($backendClass === null) {
+               if (empty($backendClass)) {
                        // legacy data storage in "data" column
                        $i = self::selectFirst(['data'], ['id' => $photo['id']]);
                        if ($i === false) {
@@ -199,7 +205,21 @@ class Photo
                        $backendRef = $photo['backend-ref'] ?? '';
                        $data = $backendClass->get($backendRef);
                }
+               return $data;
+       }
 
+       /**
+        * Get Image object for given row id. null if row id does not exist
+        *
+        * @param array $photo Photo data. Needs at least 'id', 'type', 'backend-class', 'backend-ref'
+        *
+        * @return \Friendica\Object\Image
+        * @throws \Friendica\Network\HTTPException\InternalServerErrorException
+        * @throws \ImagickException
+        */
+       public static function getImageForPhoto(array $photo)
+       {
+               $data = self::getImageDataForPhoto($photo);
                if (empty($data)) {
                        return null;
                }
@@ -225,13 +245,17 @@ class Photo
         * Construct a photo array for a system resource image
         *
         * @param string $filename Image file name relative to code root
-        * @param string $mimetype Image mime type. Defaults to "image/jpeg"
+        * @param string $mimetype Image mime type. Is guessed by file name when empty.
         *
         * @return array
         * @throws \Exception
         */
-       public static function createPhotoForSystemResource($filename, $mimetype = "image/jpeg")
+       public static function createPhotoForSystemResource($filename, $mimetype = '')
        {
+               if (empty($mimetype)) {
+                       $mimetype = Images::guessTypeByExtension($filename);
+               }
+
                $fields = self::getFields();
                $values = array_fill(0, count($fields), "");
 
@@ -244,6 +268,33 @@ class Photo
                return $photo;
        }
 
+       /**
+        * Construct a photo array for an external resource image
+        *
+        * @param string $url      Image URL
+        * @param int    $uid      User ID of the requesting person
+        * @param string $mimetype Image mime type. Is guessed by file name when empty.
+        *
+        * @return array
+        * @throws \Exception
+        */
+       public static function createPhotoForExternalResource($url, $uid = 0, $mimetype = '')
+       {
+               if (empty($mimetype)) {
+                       $mimetype = Images::guessTypeByExtension($url);
+               }
+
+               $fields = self::getFields();
+               $values = array_fill(0, count($fields), "");
+
+               $photo                  = array_combine($fields, $values);
+               $photo['backend-class'] = ExternalResource::NAME;
+               $photo['backend-ref']   = json_encode(['url' => $url, 'uid' => $uid]);
+               $photo['type']          = $mimetype;
+               $photo['cacheable']     = true;
+
+               return $photo;
+       }
 
        /**
         * store photo metadata in db and binary in default backend
@@ -293,7 +344,7 @@ class Photo
                        $storage = DI::storage();
                }
 
-               if ($storage === null) {
+               if (empty($storage)) {
                        $data = $Image->asString();
                } else {
                        $backend_ref = $storage->put($Image->asString(), $backend_ref);
@@ -304,6 +355,7 @@ class Photo
                        "contact-id" => $cid,
                        "guid" => $guid,
                        "resource-id" => $rid,
+                       "hash" => md5($Image->asString()),
                        "created" => $created,
                        "edited" => DateTimeFormat::utcNow(),
                        "filename" => basename($filename),
@@ -348,15 +400,20 @@ class Photo
        public static function delete(array $conditions, array $options = [])
        {
                // get photo to delete data info
-               $photos = self::selectToArray(['backend-class', 'backend-ref'], $conditions);
+               $photos = DBA::select('photo', ['id', 'backend-class', 'backend-ref'], $conditions);
 
-               foreach($photos as $photo) {
+               while ($photo = DBA::fetch($photos)) {
                        $backend_class = DI::storageManager()->getByName($photo['backend-class'] ?? '');
-                       if ($backend_class !== null) {
-                               $backend_class->delete($photo["backend-ref"] ?? '');
+                       if (!empty($backend_class)) {
+                               if ($backend_class->delete($photo["backend-ref"] ?? '')) {
+                                       // Delete the photos after they had been deleted successfully
+                                       DBA::delete("photo", ['id' => $photo['id']]);
+                               }
                        }
                }
 
+               DBA::close($photos);
+
                return DBA::delete("photo", $conditions, $options);
        }
 
@@ -381,7 +438,7 @@ class Photo
 
                        foreach($photos as $photo) {
                                $backend_class = DI::storageManager()->getByName($photo['backend-class'] ?? '');
-                               if ($backend_class !== null) {
+                               if (!empty($backend_class)) {
                                        $fields["backend-ref"] = $backend_class->put($img->asString(), $photo['backend-ref']);
                                } else {
                                        $fields["data"] = $img->asString();
@@ -422,24 +479,46 @@ class Photo
 
                $filename = basename($image_url);
                if (!empty($image_url)) {
-                       $ret = DI::httpRequest()->get($image_url, true);
+                       $ret = DI::httpRequest()->get($image_url);
                        $img_str = $ret->getBody();
-                       $contType = $ret->getContentType();
+                       $type = $ret->getContentType();
                } else {
                        $img_str = '';
-                       $contType = '';
                }
 
                if ($quit_on_error && ($img_str == "")) {
                        return false;
                }
 
-               $type = Images::getMimeTypeByData($img_str, $image_url, $contType);
+               $type = Images::getMimeTypeByData($img_str, $image_url, $type);
 
                $Image = new Image($img_str, $type);
                if ($Image->isValid()) {
                        $Image->scaleToSquare(300);
 
+                       $filesize = strlen($Image->asString());
+                       $maximagesize = DI::config()->get('system', 'maximagesize');
+                       if (!empty($maximagesize) && ($filesize > $maximagesize)) {
+                               Logger::info('Avatar exceeds image limit', ['uid' => $uid, 'cid' => $cid, 'maximagesize' => $maximagesize, 'size' => $filesize, 'type' => $Image->getType()]);
+                               if ($Image->getType() == 'image/gif') {
+                                       $Image->toStatic();
+                                       $Image = new Image($Image->asString(), 'image/png');
+
+                                       $filesize = strlen($Image->asString());
+                                       Logger::info('Converted gif to a static png', ['uid' => $uid, 'cid' => $cid, 'size' => $filesize, 'type' => $Image->getType()]);
+                               }
+                               if ($filesize > $maximagesize) {
+                                       foreach ([160, 80] as $pixels) {
+                                               if ($filesize > $maximagesize) {
+                                                       Logger::info('Resize', ['uid' => $uid, 'cid' => $cid, 'size' => $filesize, 'max' => $maximagesize, 'pixels' => $pixels, 'type' => $Image->getType()]);
+                                                       $Image->scaleDown($pixels);
+                                                       $filesize = strlen($Image->asString());
+                                               }
+                                       }
+                               }
+                               Logger::info('Avatar is resized', ['uid' => $uid, 'cid' => $cid, 'size' => $filesize, 'type' => $Image->getType()]);
+                       }
+
                        $r = self::store($Image, $uid, $cid, $resource_id, $filename, self::CONTACT_PHOTOS, 4);
 
                        if ($r === false) {
@@ -495,9 +574,10 @@ class Photo
                }
 
                if ($photo_failure) {
-                       $image_url = DI::baseUrl() . Contact::DEFAULT_AVATAR_PHOTO;
-                       $thumb = DI::baseUrl() . Contact::DEFAULT_AVATAR_THUMB;
-                       $micro = DI::baseUrl() . Contact::DEFAULT_AVATAR_MICRO;
+                       $contact = Contact::getById($cid) ?: [];
+                       $image_url = Contact::getDefaultAvatar($contact, Proxy::SIZE_SMALL);
+                       $thumb = Contact::getDefaultAvatar($contact, Proxy::SIZE_THUMB);
+                       $micro = Contact::getDefaultAvatar($contact, Proxy::SIZE_MICRO);
                }
 
                return [$image_url, $thumb, $micro];
@@ -678,18 +758,35 @@ class Photo
                         * Then set the permissions to public.
                         */
 
-                       $fields = ['allow_cid' => $str_contact_allow, 'allow_gid' => $str_group_allow,
-                                       'deny_cid' => $str_contact_deny, 'deny_gid' => $str_group_deny,
-                                       'accessible' => DI::pConfig()->get($uid, 'system', 'accessible-photos', false)];
-
-                       $condition = ['resource-id' => $image_rid, 'uid' => $uid];
-                       Logger::info('Set permissions', ['condition' => $condition, 'permissions' => $fields]);
-                       Photo::update($fields, $condition);
+                       self::setPermissionForRessource($image_rid, $uid, $str_contact_allow, $str_group_allow, $str_contact_deny, $str_group_deny);
                }
 
                return true;
        }
 
+       /**
+        * Add permissions to photo ressource
+        * @todo mix with previous photo permissions
+        * 
+        * @param string $image_rid
+        * @param integer $uid
+        * @param string $str_contact_allow
+        * @param string $str_group_allow
+        * @param string $str_contact_deny
+        * @param string $str_group_deny
+        * @return void
+        */
+       public static function setPermissionForRessource(string $image_rid, int $uid, string $str_contact_allow, string $str_group_allow, string $str_contact_deny, string $str_group_deny)
+       {
+               $fields = ['allow_cid' => $str_contact_allow, 'allow_gid' => $str_group_allow,
+               'deny_cid' => $str_contact_deny, 'deny_gid' => $str_group_deny,
+               'accessible' => DI::pConfig()->get($uid, 'system', 'accessible-photos', false)];
+
+               $condition = ['resource-id' => $image_rid, 'uid' => $uid];
+               Logger::info('Set permissions', ['condition' => $condition, 'permissions' => $fields]);
+               Photo::update($fields, $condition);
+       }
+
        /**
         * Strips known picture extensions from picture links
         *
@@ -707,30 +804,33 @@ class Photo
        }
 
        /**
-        * Returns the GUID from picture links
+        * Fetch the guid and scale from picture links
         *
         * @param string $name Picture link
-        * @return string GUID
-        * @throws \Exception
+        * @return array
         */
-       public static function getGUID($name)
+       public static function getResourceData(string $name):array
        {
                $base = DI::baseUrl()->get();
 
                $guid = str_replace([Strings::normaliseLink($base), '/photo/'], '', Strings::normaliseLink($name));
 
+               if (parse_url($guid, PHP_URL_SCHEME)) {
+                       return [];
+               }
+
                $guid = self::stripExtension($guid);
                if (substr($guid, -2, 1) != "-") {
-                       return '';
+                       return [];
                }
 
                $scale = intval(substr($guid, -1, 1));
                if (!is_numeric($scale)) {
-                       return '';
+                       return [];
                }
 
                $guid = substr($guid, 0, -2);
-               return $guid;
+               return ['guid' => $guid, 'scale' => $scale];
        }
 
        /**
@@ -742,13 +842,12 @@ class Photo
         */
        public static function isLocal($name)
        {
-               $guid = self::getGUID($name);
-
-               if (empty($guid)) {
+               $data = self::getResourceData($name);
+               if (empty($data)) {
                        return false;
                }
 
-               return DBA::exists('photo', ['resource-id' => $guid]);
+               return DBA::exists('photo', ['resource-id' => $data['guid'], 'scale' => $data['scale']]);
        }
 
        /**
@@ -770,4 +869,167 @@ class Photo
 
                return DBA::exists('photo', ['resource-id' => $guid]);
        }
+
+       /**
+        * 
+        * @param int   $uid   User ID
+        * @param array $files uploaded file array
+        * @return array photo record
+        */
+       public static function upload(int $uid, array $files)
+       {
+               Logger::info('starting new upload');
+
+               $user = User::getOwnerDataById($uid);
+               if (empty($user)) {
+                       Logger::notice('User not found', ['uid' => $uid]);
+                       return [];
+               }
+
+               if (empty($files)) {
+                       Logger::notice('Empty upload file');
+                       return [];
+               }
+
+               if (!empty($files['tmp_name'])) {
+                       if (is_array($files['tmp_name'])) {
+                               $src = $files['tmp_name'][0];
+                       } else {
+                               $src = $files['tmp_name'];
+                       }
+               } else {
+                       $src = '';
+               }
+
+               if (!empty($files['name'])) {
+                       if (is_array($files['name'])) {
+                               $filename = basename($files['name'][0]);
+                       } else {
+                               $filename = basename($files['name']);
+                       }
+               } else {
+                       $filename = '';
+               }
+
+               if (!empty($files['size'])) {
+                       if (is_array($files['size'])) {
+                               $filesize = intval($files['size'][0]);
+                       } else {
+                               $filesize = intval($files['size']);
+                       }
+               } else {
+                       $filesize = 0;
+               }
+
+               if (!empty($files['type'])) {
+                       if (is_array($files['type'])) {
+                               $filetype = $files['type'][0];
+                       } else {
+                               $filetype = $files['type'];
+                       }
+               } else {
+                       $filetype = '';
+               }
+
+               if (empty($src)) {
+                       Logger::notice('No source file name', ['uid' => $uid, 'files' => $files]);
+                       return [];
+               }
+
+               $filetype = Images::getMimeTypeBySource($src, $filename, $filetype);
+
+               Logger::info('File upload', ['src' => $src, 'filename' => $filename, 'size' => $filesize, 'type' => $filetype]);
+
+               $imagedata = @file_get_contents($src);
+               $Image = new Image($imagedata, $filetype);
+               if (!$Image->isValid()) {
+                       Logger::notice('Image is unvalid', ['uid' => $uid, 'files' => $files]);
+                       return [];
+               }
+
+               $Image->orient($src);
+               @unlink($src);
+
+               $max_length = DI::config()->get('system', 'max_image_length');
+               if (!$max_length) {
+                       $max_length = MAX_IMAGE_LENGTH;
+               }
+               if ($max_length > 0) {
+                       $Image->scaleDown($max_length);
+                       $filesize = strlen($Image->asString());
+                       Logger::info('File upload: Scaling picture to new size', ['max-length' => $max_length]);
+               }
+
+               $width = $Image->getWidth();
+               $height = $Image->getHeight();
+
+               $maximagesize = DI::config()->get('system', 'maximagesize');
+
+               if (!empty($maximagesize) && ($filesize > $maximagesize)) {
+                       // Scale down to multiples of 640 until the maximum size isn't exceeded anymore
+                       foreach ([5120, 2560, 1280, 640] as $pixels) {
+                               if (($filesize > $maximagesize) && (max($width, $height) > $pixels)) {
+                                       Logger::info('Resize', ['size' => $filesize, 'width' => $width, 'height' => $height, 'max' => $maximagesize, 'pixels' => $pixels]);
+                                       $Image->scaleDown($pixels);
+                                       $filesize = strlen($Image->asString());
+                                       $width = $Image->getWidth();
+                                       $height = $Image->getHeight();
+                               }
+                       }
+                       if ($filesize > $maximagesize) {
+                               @unlink($src);
+                               Logger::notice('Image size is too big', ['size' => $filesize, 'max' => $maximagesize]);
+                               return [];
+                       }
+               }
+
+               $resource_id = Photo::newResource();
+               $album       = DI::l10n()->t('Wall Photos');
+               $defperm     = '<' . $user['id'] . '>';
+
+               $smallest = 0;
+
+               $r = Photo::store($Image, $user['uid'], 0, $resource_id, $filename, $album, 0, 0, $defperm);
+               if (!$r) {
+                       Logger::notice('Photo could not be stored');
+                       return [];
+               }
+
+               if ($width > 640 || $height > 640) {
+                       $Image->scaleDown(640);
+                       $r = Photo::store($Image, $user['uid'], 0, $resource_id, $filename, $album, 1, 0, $defperm);
+                       if ($r) {
+                               $smallest = 1;
+                       }
+               }
+
+               if ($width > 320 || $height > 320) {
+                       $Image->scaleDown(320);
+                       $r = Photo::store($Image, $user['uid'], 0, $resource_id, $filename, $album, 2, 0, $defperm);
+                       if ($r && ($smallest == 0)) {
+                               $smallest = 2;
+                       }
+               }
+
+               $condition = ['resource-id' => $resource_id];
+               $photo = self::selectFirst(['id', 'datasize', 'width', 'height', 'type'], $condition, ['order' => ['width' => true]]);
+               if (empty($photo)) {
+                       Logger::notice('Photo not found', ['condition' => $condition]);
+                       return [];
+               }
+
+               $picture = [];
+
+               $picture['id']        = $photo['id'];
+               $picture['size']      = $photo['datasize'];
+               $picture['width']     = $photo['width'];
+               $picture['height']    = $photo['height'];
+               $picture['type']      = $photo['type'];
+               $picture['albumpage'] = DI::baseUrl() . '/photos/' . $user['nickname'] . '/image/' . $resource_id;
+               $picture['picture']   = DI::baseUrl() . '/photo/{$resource_id}-0.' . $Image->getExt();
+               $picture['preview']   = DI::baseUrl() . '/photo/{$resource_id}-{$smallest}.' . $Image->getExt();
+
+               Logger::info('upload done', ['picture' => $picture]);
+               return $picture;
+       }
 }