402 lines
10 KiB
PHP
402 lines
10 KiB
PHP
<?php
|
|
|
|
use Zotlabs\Photo\PhotoDriver;
|
|
use Zotlabs\Photo\PhotoGd;
|
|
use Zotlabs\Photo\PhotoImagick;
|
|
|
|
/**
|
|
* @brief Return a PhotoDriver object.
|
|
*
|
|
* Use this factory when manipulating images.
|
|
*
|
|
* Return a photo driver object implementing ImageMagick or GD.
|
|
*
|
|
* @param string $data Image data
|
|
* @param string $type Mimetype
|
|
* @return null|PhotoDriver
|
|
* NULL if unsupported image type or failure, otherwise photo driver object
|
|
*/
|
|
function photo_factory($data, $type = null) {
|
|
$ph = null;
|
|
$m = null;
|
|
|
|
$unsupported_types = [
|
|
'image/bmp',
|
|
'image/vnd.microsoft.icon',
|
|
'image/tiff',
|
|
'image/svg+xml',
|
|
];
|
|
|
|
if($type && in_array(strtolower($type), $unsupported_types)) {
|
|
logger('Unsupported image type ' . $type);
|
|
return null;
|
|
}
|
|
|
|
$ignore_imagick = get_config('system', 'ignore_imagick');
|
|
|
|
if(class_exists('Imagick') && !$ignore_imagick) {
|
|
$v = Imagick::getVersion();
|
|
preg_match('/ImageMagick ([0-9]+\.[0-9]+\.[0-9]+)/', $v['versionString'], $m);
|
|
if(version_compare($m[1], '6.6.7') >= 0) {
|
|
$ph = new PhotoImagick($data, $type);
|
|
} else {
|
|
// earlier imagick versions have issues with scaling png's
|
|
// don't log this because it will just fill the logfile.
|
|
// leave this note here so those who are looking for why
|
|
// we aren't using imagick can find it
|
|
}
|
|
}
|
|
|
|
if(! $ph) {
|
|
$ph = new PhotoGd($data, $type);
|
|
}
|
|
|
|
return $ph;
|
|
}
|
|
|
|
|
|
/**
|
|
* @brief Guess image mimetype from filename or from Content-Type header.
|
|
*
|
|
* @param string $filename
|
|
* Image filename
|
|
* @param string $headers (optional)
|
|
* Headers to check for Content-Type (from curl request)
|
|
* @return null|string Guessed mimetype
|
|
*/
|
|
function guess_image_type($filename, $headers = '') {
|
|
// logger('Photo: guess_image_type: '.$filename . ($headers?' from curl headers':''), LOGGER_DEBUG);
|
|
$type = null;
|
|
$m = null;
|
|
|
|
if($headers) {
|
|
$hdrs = [];
|
|
$h = explode("\n", $headers);
|
|
foreach ($h as $l) {
|
|
list($k, $v) = array_map('trim', explode(':', trim($l), 2));
|
|
$hdrs[strtolower($k)] = $v;
|
|
}
|
|
logger('Curl headers: ' .var_export($hdrs, true), LOGGER_DEBUG);
|
|
if(array_key_exists('content-type', $hdrs)) {
|
|
$ph = photo_factory('');
|
|
$types = $ph->supportedTypes();
|
|
|
|
if(array_key_exists($hdrs['content-type'], $types))
|
|
$type = $hdrs['content-type'];
|
|
}
|
|
}
|
|
|
|
if(is_null($type)){
|
|
$ignore_imagick = get_config('system', 'ignore_imagick');
|
|
// Guessing from extension? Isn't that... dangerous?
|
|
if(class_exists('Imagick') && file_exists($filename) && is_readable($filename) && !$ignore_imagick) {
|
|
$v = Imagick::getVersion();
|
|
preg_match('/ImageMagick ([0-9]+\.[0-9]+\.[0-9]+)/', $v['versionString'], $m);
|
|
if(version_compare($m[1], '6.6.7') >= 0) {
|
|
/**
|
|
* Well, this not much better,
|
|
* but at least it comes from the data inside the image,
|
|
* we won't be tricked by a manipulated extension
|
|
*/
|
|
$image = new Imagick($filename);
|
|
$type = $image->getImageMimeType();
|
|
}
|
|
else {
|
|
// earlier imagick versions have issues with scaling png's
|
|
// don't log this because it will just fill the logfile.
|
|
// leave this note here so those who are looking for why
|
|
// we aren't using imagick can find it
|
|
}
|
|
}
|
|
|
|
if(is_null($type)) {
|
|
$ext = pathinfo($filename, PATHINFO_EXTENSION);
|
|
$ph = photo_factory('');
|
|
$types = $ph->supportedTypes();
|
|
foreach($types as $m => $e) {
|
|
if($ext === $e) {
|
|
$type = $m;
|
|
}
|
|
}
|
|
}
|
|
|
|
if(is_null($type) && (strpos($filename, 'http') === false)) {
|
|
$size = getimagesize($filename);
|
|
$ph = photo_factory('');
|
|
$types = $ph->supportedTypes();
|
|
$type = ((array_key_exists($size['mime'], $types)) ? $size['mime'] : 'image/jpeg');
|
|
}
|
|
if(is_null($type)) {
|
|
if(strpos(strtolower($filename),'jpg') !== false)
|
|
$type = 'image/jpeg';
|
|
elseif(strpos(strtolower($filename),'jpeg') !== false)
|
|
$type = 'image/jpeg';
|
|
elseif(strpos(strtolower($filename),'gif') !== false)
|
|
$type = 'image/gif';
|
|
elseif(strpos(strtolower($filename),'png') !== false)
|
|
$type = 'image/png';
|
|
}
|
|
|
|
}
|
|
logger('Photo: guess_image_type: filename = ' . $filename . ' type = ' . $type, LOGGER_DEBUG);
|
|
|
|
return $type;
|
|
}
|
|
|
|
/**
|
|
* @brief Delete thing photo from database.
|
|
*
|
|
* @param string $url
|
|
* @param string $ob_hash
|
|
* @return void
|
|
*/
|
|
function delete_thing_photo($url, $ob_hash) {
|
|
|
|
$hash = basename($url);
|
|
$hash = substr($hash, 0, strpos($hash, '-'));
|
|
|
|
// hashes should be 32 bytes.
|
|
|
|
if((! $ob_hash) || (strlen($hash) < 16))
|
|
return;
|
|
|
|
q("delete from photo where xchan = '%s' and photo_usage = %d and resource_id = '%s'",
|
|
dbesc($ob_hash),
|
|
intval(PHOTO_THING),
|
|
dbesc($hash)
|
|
);
|
|
}
|
|
|
|
/**
|
|
* @brief Fetches a photo from external site and prepares its miniatures.
|
|
*
|
|
* @param string $photo
|
|
* external URL to fetch base image
|
|
* @param string $xchan
|
|
* channel unique hash
|
|
* @param boolean $thing
|
|
* TRUE if this is a thing URL
|
|
* @param boolean $force
|
|
* TRUE if ignore image modification date check (force fetch)
|
|
*
|
|
* @return array of results
|
|
* * \e string \b 0 => local URL to full image
|
|
* * \e string \b 1 => local URL to standard thumbnail
|
|
* * \e string \b 2 => local URL to micro thumbnail
|
|
* * \e string \b 3 => image type
|
|
* * \e boolean \b 4 => TRUE if fetch failure
|
|
* * \e string \b 5 => modification date
|
|
*/
|
|
function import_xchan_photo($photo, $xchan, $thing = false, $force = false) {
|
|
$modified = '';
|
|
$o = null;
|
|
|
|
$flags = (($thing) ? PHOTO_THING : PHOTO_XCHAN);
|
|
$album = (($thing) ? 'Things' : 'Contact Photos');
|
|
|
|
logger('Updating channel photo from ' . $photo . ' for ' . $xchan, LOGGER_DEBUG);
|
|
|
|
if($thing) {
|
|
$hash = photo_new_resource();
|
|
} else {
|
|
$r = q("select resource_id, edited, mimetype from photo where xchan = '%s' and photo_usage = %d and imgscale = 4 limit 1", dbesc($xchan), intval(PHOTO_XCHAN));
|
|
if($r) {
|
|
$hash = $r[0]['resource_id'];
|
|
$modified = $r[0]['edited'];
|
|
$type = $r[0]['mimetype'];
|
|
} else {
|
|
$hash = photo_new_resource();
|
|
}
|
|
}
|
|
|
|
$photo_failure = false;
|
|
$img_str = '';
|
|
|
|
if($photo) {
|
|
|
|
if($force || $modified == '') {
|
|
$result = z_fetch_url($photo, true);
|
|
} else {
|
|
$h = [
|
|
'headers' => [
|
|
'If-Modified-Since: ' . gmdate('D, d M Y H:i:s', strtotime($modified . 'Z')) . ' GMT'
|
|
]
|
|
];
|
|
$result = z_fetch_url($photo, true, 0, $h);
|
|
}
|
|
|
|
if($result['success']) {
|
|
$img_str = $result['body'];
|
|
$type = guess_image_type($photo, $result['header']);
|
|
$modified = gmdate('Y-m-d H:i:s', (preg_match('/last-modified: (.+) \S+/i', $result['header'], $o) ? strtotime($o[1] . 'Z') : time()));
|
|
if(is_null($type))
|
|
$photo_failure = true;
|
|
} elseif($result['return_code'] == 304) {
|
|
$photo = z_root() . '/photo/' . $hash . '-4';
|
|
$thumb = z_root() . '/photo/' . $hash . '-5';
|
|
$micro = z_root() . '/photo/' . $hash . '-6';
|
|
} else {
|
|
$photo_failure = true;
|
|
}
|
|
} else {
|
|
$photo_failure = true;
|
|
}
|
|
|
|
if(!$photo_failure && $result['return_code'] != 304) {
|
|
$img = photo_factory($img_str, $type);
|
|
if($img->is_valid()) {
|
|
$width = $img->getWidth();
|
|
$height = $img->getHeight();
|
|
|
|
if($width && $height) {
|
|
if(($width / $height) > 1.2) {
|
|
// crop out the sides
|
|
$margin = $width - $height;
|
|
$img->cropImage(300, ($margin / 2), 0, $height, $height);
|
|
} elseif(($height / $width) > 1.2) {
|
|
// crop out the bottom
|
|
$margin = $height - $width;
|
|
$img->cropImage(300, 0, 0, $width, $width);
|
|
} else {
|
|
$img->scaleImageSquare(300);
|
|
}
|
|
} else {
|
|
$photo_failure = true;
|
|
}
|
|
|
|
$p = [
|
|
'xchan' => $xchan,
|
|
'resource_id' => $hash,
|
|
'filename' => basename($photo),
|
|
'album' => $album,
|
|
'photo_usage' => $flags,
|
|
'imgscale' => 4,
|
|
'edited' => $modified,
|
|
];
|
|
|
|
$r = $img->save($p);
|
|
if($r === false)
|
|
$photo_failure = true;
|
|
|
|
$img->scaleImage(80);
|
|
$p['imgscale'] = 5;
|
|
$r = $img->save($p);
|
|
if($r === false)
|
|
$photo_failure = true;
|
|
|
|
$img->scaleImage(48);
|
|
$p['imgscale'] = 6;
|
|
$r = $img->save($p);
|
|
if($r === false)
|
|
$photo_failure = true;
|
|
|
|
$photo = z_root() . '/photo/' . $hash . '-4';
|
|
$thumb = z_root() . '/photo/' . $hash . '-5';
|
|
$micro = z_root() . '/photo/' . $hash . '-6';
|
|
} else {
|
|
logger('Invalid image from ' . $photo);
|
|
$photo_failure = true;
|
|
}
|
|
}
|
|
if($photo_failure) {
|
|
$default = get_default_profile_photo();
|
|
$photo = z_root() . '/' . $default;
|
|
$thumb = z_root() . '/' . get_default_profile_photo(80);
|
|
$micro = z_root() . '/' . get_default_profile_photo(48);
|
|
$type = 'image/png';
|
|
$modified = gmdate('Y-m-d H:i:s', filemtime($default));
|
|
}
|
|
|
|
logger('HTTP code: ' . $result['return_code'] . '; modified: ' . $modified
|
|
. '; failure: ' . ($photo_failure ? 'yes' : 'no') . '; URL: ' . $photo, LOGGER_DEBUG);
|
|
|
|
return([$photo, $thumb, $micro, $type, $photo_failure, $modified]);
|
|
}
|
|
|
|
/**
|
|
* @brief Import channel photo from a URL.
|
|
*
|
|
* @param string $photo URL to a photo
|
|
* @param int $aid
|
|
* @param int $uid channel_id
|
|
* @return null|string Guessed image mimetype or null.
|
|
*/
|
|
function import_channel_photo_from_url($photo, $aid, $uid) {
|
|
$type = null;
|
|
|
|
if($photo) {
|
|
$result = z_fetch_url($photo, true);
|
|
|
|
if($result['success']) {
|
|
$img_str = $result['body'];
|
|
$type = guess_image_type($photo, $result['header']);
|
|
|
|
import_channel_photo($img_str, $type, $aid, $uid);
|
|
}
|
|
}
|
|
|
|
return $type;
|
|
}
|
|
|
|
/**
|
|
* @brief Import a channel photo and prepare its miniatures.
|
|
*
|
|
* @param string $photo Image data
|
|
* @param string $type
|
|
* @param int $aid
|
|
* @param int $uid channel_id
|
|
* @return boolean|string false on failure, otherwise resource_id of photo
|
|
*/
|
|
function import_channel_photo($photo, $type, $aid, $uid) {
|
|
|
|
logger('Importing channel photo for ' . $uid, LOGGER_DEBUG);
|
|
|
|
$photo_failure = false;
|
|
$hash = photo_new_resource();
|
|
$filename = $hash;
|
|
|
|
$img = photo_factory($photo, $type);
|
|
if($img->is_valid()) {
|
|
|
|
// config array for image save method
|
|
$p = [
|
|
'aid' => $aid,
|
|
'uid' => $uid,
|
|
'resource_id' => $hash,
|
|
'filename' => $filename,
|
|
'album' => t('Profile Photos'),
|
|
'photo_usage' => PHOTO_PROFILE,
|
|
'imgscale' => 4,
|
|
];
|
|
|
|
// photo size
|
|
$img->scaleImageSquare(300);
|
|
$r = $img->save($p);
|
|
if($r === false)
|
|
$photo_failure = true;
|
|
|
|
// thumb size
|
|
$img->scaleImage(80);
|
|
$p['imgscale'] = 5;
|
|
$r = $img->save($p);
|
|
if($r === false)
|
|
$photo_failure = true;
|
|
|
|
// micro size
|
|
$img->scaleImage(48);
|
|
$p['imgscale'] = 6;
|
|
$r = $img->save($p);
|
|
if($r === false)
|
|
$photo_failure = true;
|
|
|
|
} else {
|
|
logger('Invalid image.');
|
|
$photo_failure = true;
|
|
}
|
|
|
|
if($photo_failure)
|
|
return false;
|
|
else
|
|
return $hash;
|
|
}
|