PHP Photo::is_valid方法代码示例

//.........这里部分代码省略.........
        $default_service_class = '';
    }
    $prvkey = $keys['prvkey'];
    $pubkey = $keys['pubkey'];
    /**
     *
     * Create another keypair for signing/verifying
     * salmon protocol messages. We have to use a slightly
     * less robust key because this won't be using openssl
     * but the phpseclib. Since it is PHP interpreted code
     * it is not nearly as efficient, and the larger keys
     * will take several minutes each to process.
     *
     */
    $sres = new_keypair(512);
    $sprvkey = $sres['prvkey'];
    $spubkey = $sres['pubkey'];
    $r = q("INSERT INTO `user` ( `guid`, `username`, `password`, `email`, `openid`, `nickname`,\n\t\t`pubkey`, `prvkey`, `spubkey`, `sprvkey`, `register_date`, `verified`, `blocked`, `timezone`, `service_class`, `default-location` )\n\t\tVALUES ( '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, 'UTC', '%s', '' )", dbesc(generate_user_guid()), dbesc($username), dbesc($new_password_encoded), dbesc($email), dbesc($openid_url), dbesc($nickname), dbesc($pubkey), dbesc($prvkey), dbesc($spubkey), dbesc($sprvkey), dbesc(datetime_convert()), intval($verified), intval($blocked), dbesc($default_service_class));
    if ($r) {
        $r = q("SELECT * FROM `user`\n\t\t\tWHERE `username` = '%s' AND `password` = '%s' LIMIT 1", dbesc($username), dbesc($new_password_encoded));
        if ($r !== false && count($r)) {
            $u = $r[0];
            $newuid = intval($r[0]['uid']);
        }
    } else {
        $result['message'] .= t('An error occurred during registration. Please try again.') . EOL;
        return $result;
    }
    /**
     * if somebody clicked submit twice very quickly, they could end up with two accounts
     * due to race condition. Remove this one.
     */
    $r = q("SELECT `uid` FROM `user`\n               \tWHERE `nickname` = '%s' ", dbesc($nickname));
    if (count($r) > 1 && $newuid) {
        $result['message'] .= t('Nickname is already registered. Please choose another.') . EOL;
        q("DELETE FROM `user` WHERE `uid` = %d", intval($newuid));
        return $result;
    }
    if (x($newuid) !== false) {
        $r = q("INSERT INTO `profile` ( `uid`, `profile-name`, `is-default`, `name`, `photo`, `thumb`, `publish`, `net-publish` )\n\t\t\tVALUES ( %d, '%s', %d, '%s', '%s', '%s', %d, %d ) ", intval($newuid), t('default'), 1, dbesc($username), dbesc($a->get_baseurl() . "/photo/profile/{$newuid}.jpg"), dbesc($a->get_baseurl() . "/photo/avatar/{$newuid}.jpg"), intval($publish), intval($netpublish));
        if ($r === false) {
            $result['message'] .= t('An error occurred creating your default profile. Please try again.') . EOL;
            // Start fresh next time.
            $r = q("DELETE FROM `user` WHERE `uid` = %d", intval($newuid));
            return $result;
        }
        $r = q("INSERT INTO `contact` ( `uid`, `created`, `self`, `name`, `nick`, `photo`, `thumb`, `micro`, `blocked`, `pending`, `url`, `nurl`,\n\t\t\t`request`, `notify`, `poll`, `confirm`, `poco`, `name-date`, `uri-date`, `avatar-date`, `closeness` )\n\t\t\tVALUES ( %d, '%s', 1, '%s', '%s', '%s', '%s', '%s', 0, 0, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', 0 ) ", intval($newuid), datetime_convert(), dbesc($username), dbesc($nickname), dbesc($a->get_baseurl() . "/photo/profile/{$newuid}.jpg"), dbesc($a->get_baseurl() . "/photo/avatar/{$newuid}.jpg"), dbesc($a->get_baseurl() . "/photo/micro/{$newuid}.jpg"), dbesc($a->get_baseurl() . "/profile/{$nickname}"), dbesc(normalise_link($a->get_baseurl() . "/profile/{$nickname}")), dbesc($a->get_baseurl() . "/dfrn_request/{$nickname}"), dbesc($a->get_baseurl() . "/dfrn_notify/{$nickname}"), dbesc($a->get_baseurl() . "/dfrn_poll/{$nickname}"), dbesc($a->get_baseurl() . "/dfrn_confirm/{$nickname}"), dbesc($a->get_baseurl() . "/poco/{$nickname}"), dbesc(datetime_convert()), dbesc(datetime_convert()), dbesc(datetime_convert()));
        // Create a group with no members. This allows somebody to use it
        // right away as a default group for new contacts.
        require_once 'include/group.php';
        group_add($newuid, t('Friends'));
        $r = q("SELECT id FROM `group` WHERE uid = %d AND name = '%s'", intval($newuid), dbesc(t('Friends')));
        if ($r && count($r)) {
            $def_gid = $r[0]['id'];
            q("UPDATE user SET def_gid = %d WHERE uid = %d", intval($r[0]['id']), intval($newuid));
        }
        if (get_config('system', 'newuser_private') && $def_gid) {
            q("UPDATE user SET allow_gid = '%s' WHERE uid = %d", dbesc("<" . $def_gid . ">"), intval($newuid));
        }
    }
    // if we have no OpenID photo try to look up an avatar
    if (!strlen($photo)) {
        $photo = avatar_img($email);
    }
    // unless there is no avatar-plugin loaded
    if (strlen($photo)) {
        require_once 'include/Photo.php';
        $photo_failure = false;
        $filename = basename($photo);
        $img_str = fetch_url($photo, true);
        // guess mimetype from headers or filename
        $type = guess_image_type($photo, true);
        $img = new Photo($img_str, $type);
        if ($img->is_valid()) {
            $img->scaleImageSquare(175);
            $hash = photo_new_resource();
            $r = $img->store($newuid, 0, $hash, $filename, t('Profile Photos'), 4);
            if ($r === false) {
                $photo_failure = true;
            }
            $img->scaleImage(80);
            $r = $img->store($newuid, 0, $hash, $filename, t('Profile Photos'), 5);
            if ($r === false) {
                $photo_failure = true;
            }
            $img->scaleImage(48);
            $r = $img->store($newuid, 0, $hash, $filename, t('Profile Photos'), 6);
            if ($r === false) {
                $photo_failure = true;
            }
            if (!$photo_failure) {
                q("UPDATE `photo` SET `profile` = 1 WHERE `resource-id` = '%s' ", dbesc($hash));
            }
        }
    }
    call_hooks('register_account', $newuid);
    $result['success'] = true;
    $result['user'] = $u;
    return $result;
}

function privacy_image_cache_init()
{
    $urlhash = 'pic:' . sha1($_REQUEST['url']);
    $r = q("SELECT * FROM `photo` WHERE `resource-id` = '%s' LIMIT 1", $urlhash);
    if (count($r)) {
        $img_str = $r[0]['data'];
        $mime = $r[0]["desc"];
        if ($mime == "") {
            $mime = "image/jpeg";
        }
    } else {
        require_once "Photo.php";
        $img_str = fetch_url($_REQUEST['url'], true);
        if (substr($img_str, 0, 6) == "GIF89a") {
            $mime = "image/gif";
            $image = @imagecreatefromstring($img_str);
            if ($image === FALSE) {
                die;
            }
            q("INSERT INTO `photo`\n\t\t\t( `uid`, `contact-id`, `guid`, `resource-id`, `created`, `edited`, `filename`, `album`, `height`, `width`, `desc`, `data`, `scale`, `profile`, `allow_cid`, `allow_gid`, `deny_cid`, `deny_gid` )\n\t\t\tVALUES ( %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, '%s', '%s', %d, %d, '%s', '%s', '%s', '%s' )", 0, 0, get_guid(), dbesc($urlhash), dbesc(datetime_convert()), dbesc(datetime_convert()), dbesc(basename(dbesc($_REQUEST["url"]))), dbesc(''), intval(imagesy($image)), intval(imagesx($image)), 'image/gif', dbesc($img_str), 100, intval(0), dbesc(''), dbesc(''), dbesc(''), dbesc(''));
        } else {
            $img = new Photo($img_str);
            if ($img->is_valid()) {
                $img->store(0, 0, $urlhash, $_REQUEST['url'], '', 100);
                $img_str = $img->imageString();
            }
            $mime = "image/jpeg";
        }
    }
    header("Content-type: {$mime}");
    header("Expires: " . gmdate("D, d M Y H:i:s", time() + 3600 * 24) . " GMT");
    header("Cache-Control: max-age=" . 3600 * 24);
    echo $img_str;
    killme();
}

function scale_diaspora_images($s, $include_link = true)
{
    $matches = null;
    $c = preg_match_all('/\\[img\\](.*?)\\[\\/img\\]/ism', $s, $matches, PREG_SET_ORDER);
    if ($c) {
        require_once 'include/Photo.php';
        foreach ($matches as $mtch) {
            logger('scale_diaspora_image: ' . $mtch[1]);
            $i = fetch_url($mtch[1]);
            if ($i) {
                $ph = new Photo($i);
                if ($ph->is_valid()) {
                    if ($ph->getWidth() > 600 || $ph->getHeight() > 600) {
                        $ph->scaleImage(600);
                        $new_width = $ph->getWidth();
                        $new_height = $ph->getHeight();
                        logger('scale_diaspora_image: ' . $new_width . 'w ' . $new_height . 'h' . 'match: ' . $mtch[0], LOGGER_DEBUG);
                        $s = str_replace($mtch[0], '[img=' . $new_width . 'x' . $new_height . ']' . $mtch[1] . '[/img]' . "\n" . ($include_link ? '[url=' . $mtch[1] . ']' . t('view full size') . '[/url]' . "\n" : ''), $s);
                        logger('scale_diaspora_image: new string: ' . $s, LOGGER_DEBUG);
                    }
                }
            }
        }
    }
    return $s;
}

function wall_upload_post(&$a)
{
    if ($a->argc > 1) {
        if (!x($_FILES, 'media')) {
            $nick = $a->argv[1];
            $r = q("SELECT `user`.*, `contact`.`id` FROM `user` LEFT JOIN `contact` on `user`.`uid` = `contact`.`uid`  WHERE `user`.`nickname` = '%s' AND `user`.`blocked` = 0 and `contact`.`self` = 1 LIMIT 1", dbesc($nick));
            if (!count($r)) {
                return;
            }
        } else {
            $user_info = api_get_user($a);
            $r = q("SELECT `user`.*, `contact`.`id` FROM `user` LEFT JOIN `contact` on `user`.`uid` = `contact`.`uid`  WHERE `user`.`nickname` = '%s' AND `user`.`blocked` = 0 and `contact`.`self` = 1 LIMIT 1", dbesc($user_info['screen_name']));
        }
    } else {
        return;
    }
    $can_post = false;
    $visitor = 0;
    $page_owner_uid = $r[0]['uid'];
    $default_cid = $r[0]['id'];
    $page_owner_nick = $r[0]['nickname'];
    $community_page = $r[0]['page-flags'] == PAGE_COMMUNITY ? true : false;
    if (local_user() && local_user() == $page_owner_uid) {
        $can_post = true;
    } else {
        if ($community_page && remote_user()) {
            $r = q("SELECT `uid` FROM `contact` WHERE `blocked` = 0 AND `pending` = 0 AND `id` = %d AND `uid` = %d LIMIT 1", intval(remote_user()), intval($page_owner_uid));
            if (count($r)) {
                $can_post = true;
                $visitor = remote_user();
                $default_cid = $visitor;
            }
        }
    }
    if (!$can_post) {
        notice(t('Permission denied.') . EOL);
        killme();
    }
    if (!x($_FILES, 'userfile') && !x($_FILES, 'media')) {
        killme();
    }
    if (x($_FILES, 'userfile')) {
        $src = $_FILES['userfile']['tmp_name'];
        $filename = basename($_FILES['userfile']['name']);
        $filesize = intval($_FILES['userfile']['size']);
    } elseif (x($_FILES, 'media')) {
        $src = $_FILES['media']['tmp_name'];
        $filename = basename($_FILES['media']['name']);
        $filesize = intval($_FILES['media']['size']);
    }
    $maximagesize = get_config('system', 'maximagesize');
    if ($maximagesize && $filesize > $maximagesize) {
        echo sprintf(t('Image exceeds size limit of %d'), $maximagesize) . EOL;
        @unlink($src);
        killme();
    }
    $imagedata = @file_get_contents($src);
    $ph = new Photo($imagedata);
    if (!$ph->is_valid()) {
        echo t('Unable to process image.') . EOL;
        @unlink($src);
        killme();
    }
    @unlink($src);
    $width = $ph->getWidth();
    $height = $ph->getHeight();
    $hash = photo_new_resource();
    $smallest = 0;
    $defperm = '<' . $default_cid . '>';
    $r = $ph->store($page_owner_uid, $visitor, $hash, $filename, t('Wall Photos'), 0, 0, $defperm);
    if (!$r) {
        echo t('Image upload failed.') . EOL;
        killme();
    }
    if ($width > 640 || $height > 640) {
        $ph->scaleImage(640);
        $r = $ph->store($page_owner_uid, $visitor, $hash, $filename, t('Wall Photos'), 1, 0, $defperm);
        if ($r) {
            $smallest = 1;
        }
    }
    if ($width > 320 || $height > 320) {
        $ph->scaleImage(320);
        $r = $ph->store($page_owner_uid, $visitor, $hash, $filename, t('Wall Photos'), 2, 0, $defperm);
        if ($r) {
            $smallest = 2;
        }
    }
    $basename = basename($filename);
    /* mod Waitman Gobble NO WARRANTY */
    //if we get the signal then return the image url info in BBCODE, otherwise this outputs the info and bails (for the ajax image uploader on wall post)
    if ($_REQUEST['hush'] != 'yeah') {
        /*existing code*/
        if (local_user() && intval(get_pconfig(local_user(), 'system', 'plaintext'))) {
            echo "\n\n" . '[url=' . $a->get_baseurl() . '/photos/' . $page_owner_nick . '/image/' . $hash . '][img]' . $a->get_baseurl() . "/photo/{$hash}-{$smallest}.jpg[/img][/url]\n\n";
        } else {
            echo '<br /><br /><a href="' . $a->get_baseurl() . '/photos/' . $page_owner_nick . '/image/' . $hash . '" ><img src="' . $a->get_baseurl() . "/photo/{$hash}-{$smallest}.jpg\" alt=\"{$basename}\" /></a><br /><br />";
        }
        /*existing code*/
    } else {
//.........这里部分代码省略.........

function scale_external_images($srctext, $include_link = true, $scale_replace = false)
{
    // Suppress "view full size"
    if (intval(get_config('system', 'no_view_full_size'))) {
        $include_link = false;
    }
    $a = get_app();
    // Picture addresses can contain special characters
    $s = htmlspecialchars_decode($srctext);
    $matches = null;
    $c = preg_match_all('/\\[img.*?\\](.*?)\\[\\/img\\]/ism', $s, $matches, PREG_SET_ORDER);
    if ($c) {
        require_once 'include/Photo.php';
        foreach ($matches as $mtch) {
            logger('scale_external_image: ' . $mtch[1]);
            $hostname = str_replace('www.', '', substr($a->get_baseurl(), strpos($a->get_baseurl(), '://') + 3));
            if (stristr($mtch[1], $hostname)) {
                continue;
            }
            // $scale_replace, if passed, is an array of two elements. The
            // first is the name of the full-size image. The second is the
            // name of a remote, scaled-down version of the full size image.
            // This allows Friendica to display the smaller remote image if
            // one exists, while still linking to the full-size image
            if ($scale_replace) {
                $scaled = str_replace($scale_replace[0], $scale_replace[1], $mtch[1]);
            } else {
                $scaled = $mtch[1];
            }
            $i = @fetch_url($scaled);
            if (!$i) {
                return $srctext;
            }
            // guess mimetype from headers or filename
            $type = guess_image_type($mtch[1], true);
            if ($i) {
                $ph = new Photo($i, $type);
                if ($ph->is_valid()) {
                    $orig_width = $ph->getWidth();
                    $orig_height = $ph->getHeight();
                    if ($orig_width > 640 || $orig_height > 640) {
                        $ph->scaleImage(640);
                        $new_width = $ph->getWidth();
                        $new_height = $ph->getHeight();
                        logger('scale_external_images: ' . $orig_width . '->' . $new_width . 'w ' . $orig_height . '->' . $new_height . 'h' . ' match: ' . $mtch[0], LOGGER_DEBUG);
                        $s = str_replace($mtch[0], '[img=' . $new_width . 'x' . $new_height . ']' . $scaled . '[/img]' . "\n" . ($include_link ? '[url=' . $mtch[1] . ']' . t('view full size') . '[/url]' . "\n" : ''), $s);
                        logger('scale_external_images: new string: ' . $s, LOGGER_DEBUG);
                    }
                }
            }
        }
    }
    // replace the special char encoding
    $s = htmlspecialchars($s, ENT_NOQUOTES, 'UTF-8');
    return $s;
}

function scale_external_images($s, $include_link = true)
{
    $a = get_app();
    $matches = null;
    $c = preg_match_all('/\\[img\\](.*?)\\[\\/img\\]/ism', $s, $matches, PREG_SET_ORDER);
    if ($c) {
        require_once 'include/Photo.php';
        foreach ($matches as $mtch) {
            logger('scale_external_image: ' . $mtch[1]);
            $hostname = str_replace('www.', '', substr($a->get_baseurl(), strpos($a->get_baseurl(), '://') + 3));
            if (stristr($mtch[1], $hostname)) {
                continue;
            }
            $i = fetch_url($mtch[1]);
            if ($i) {
                $ph = new Photo($i);
                if ($ph->is_valid()) {
                    $orig_width = $ph->getWidth();
                    $orig_height = $ph->getHeight();
                    if ($orig_width > 640 || $orig_height > 640) {
                        $ph->scaleImage(640);
                        $new_width = $ph->getWidth();
                        $new_height = $ph->getHeight();
                        logger('scale_external_images: ' . $orig_width . '->' . $new_width . 'w ' . $orig_height . '->' . $new_height . 'h' . ' match: ' . $mtch[0], LOGGER_DEBUG);
                        $s = str_replace($mtch[0], '[img=' . $new_width . 'x' . $new_height . ']' . $mtch[1] . '[/img]' . "\n" . ($include_link ? '[url=' . $mtch[1] . ']' . t('view full size') . '[/url]' . "\n" : ''), $s);
                        logger('scale_external_images: new string: ' . $s, LOGGER_DEBUG);
                    }
                }
            }
        }
    }
    return $s;
}

//.........这里部分代码省略.........
    }
    // If there is a temp name, then do a manual check
    // This is more reliable than the provided value
    $imagedata = getimagesize($src);
    if ($imagedata) {
        $filetype = $imagedata['mime'];
    }
    logger("File upload src: " . $src . " - filename: " . $filename . " - size: " . $filesize . " - type: " . $filetype, LOGGER_DEBUG);
    $maximagesize = get_config('system', 'maximagesize');
    if ($maximagesize && $filesize > $maximagesize) {
        $msg = sprintf(t('Image exceeds size limit of %s'), formatBytes($maximagesize));
        if ($r_json) {
            echo json_encode(['error' => $msg]);
        } else {
            echo $msg . EOL;
        }
        @unlink($src);
        killme();
    }
    $r = q("select sum(octet_length(data)) as total from photo where uid = %d and scale = 0 and album != 'Contact Photos' ", intval($page_owner_uid));
    $limit = service_class_fetch($page_owner_uid, 'photo_upload_limit');
    if ($limit !== false && $r[0]['total'] + strlen($imagedata) > $limit) {
        $msg = upgrade_message(true);
        if ($r_json) {
            echo json_encode(['error' => $msg]);
        } else {
            echo $msg . EOL;
        }
        @unlink($src);
        killme();
    }
    $imagedata = @file_get_contents($src);
    $ph = new Photo($imagedata, $filetype);
    if (!$ph->is_valid()) {
        $msg = t('Unable to process image.');
        if ($r_json) {
            echo json_encode(['error' => $msg]);
        } else {
            echo $msg . EOL;
        }
        @unlink($src);
        killme();
    }
    $ph->orient($src);
    @unlink($src);
    $max_length = get_config('system', 'max_image_length');
    if (!$max_length) {
        $max_length = MAX_IMAGE_LENGTH;
    }
    if ($max_length > 0) {
        $ph->scaleImage($max_length);
        logger("File upload: Scaling picture to new size " . $max_length, LOGGER_DEBUG);
    }
    $width = $ph->getWidth();
    $height = $ph->getHeight();
    $hash = photo_new_resource();
    $smallest = 0;
    $defperm = '<' . $default_cid . '>';
    $r = $ph->store($page_owner_uid, $visitor, $hash, $filename, t('Wall Photos'), 0, 0, $defperm);
    if (!$r) {
        $msg = t('Image upload failed.');
        if ($r_json) {
            echo json_encode(['error' => $msg]);
        } else {
            echo $msg . EOL;
        }

function fix_private_photos($s, $uid, $item = null, $cid = 0)
{
    if (get_config('system', 'disable_embedded')) {
        return $s;
    }
    $a = get_app();
    logger('fix_private_photos: check for photos', LOGGER_DEBUG);
    $site = substr($a->get_baseurl(), strpos($a->get_baseurl(), '://'));
    $orig_body = $s;
    $new_body = '';
    $img_start = strpos($orig_body, '[img');
    $img_st_close = $img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false;
    $img_len = $img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false;
    while ($img_st_close !== false && $img_len !== false) {
        $img_st_close++;
        // make it point to AFTER the closing bracket
        $image = substr($orig_body, $img_start + $img_st_close, $img_len);
        logger('fix_private_photos: found photo ' . $image, LOGGER_DEBUG);
        if (stristr($image, $site . '/photo/')) {
            // Only embed locally hosted photos
            $replace = false;
            $i = basename($image);
            $i = str_replace(array('.jpg', '.png', '.gif'), array('', '', ''), $i);
            $x = strpos($i, '-');
            if ($x) {
                $res = substr($i, $x + 1);
                $i = substr($i, 0, $x);
                $r = q("SELECT * FROM `photo` WHERE `resource-id` = '%s' AND `scale` = %d AND `uid` = %d", dbesc($i), intval($res), intval($uid));
                if ($r) {
                    // Check to see if we should replace this photo link with an embedded image
                    // 1. No need to do so if the photo is public
                    // 2. If there's a contact-id provided, see if they're in the access list
                    //    for the photo. If so, embed it.
                    // 3. Otherwise, if we have an item, see if the item permissions match the photo
                    //    permissions, regardless of order but first check to see if they're an exact
                    //    match to save some processing overhead.
                    if (has_permissions($r[0])) {
                        if ($cid) {
                            $recips = enumerate_permissions($r[0]);
                            if (in_array($cid, $recips)) {
                                $replace = true;
                            }
                        } elseif ($item) {
                            if (compare_permissions($item, $r[0])) {
                                $replace = true;
                            }
                        }
                    }
                    if ($replace) {
                        $data = $r[0]['data'];
                        $type = $r[0]['type'];
                        // If a custom width and height were specified, apply before embedding
                        if (preg_match("/\\[img\\=([0-9]*)x([0-9]*)\\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
                            logger('fix_private_photos: scaling photo', LOGGER_DEBUG);
                            $width = intval($match[1]);
                            $height = intval($match[2]);
                            $ph = new Photo($data, $type);
                            if ($ph->is_valid()) {
                                $ph->scaleImage(max($width, $height));
                                $data = $ph->imageString();
                                $type = $ph->getType();
                            }
                        }
                        logger('fix_private_photos: replacing photo', LOGGER_DEBUG);
                        $image = 'data:' . $type . ';base64,' . base64_encode($data);
                        logger('fix_private_photos: replaced: ' . $image, LOGGER_DATA);
                    }
                }
            }
        }
        $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
        $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
        if ($orig_body === false) {
            $orig_body = '';
        }
        $img_start = strpos($orig_body, '[img');
        $img_st_close = $img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false;
        $img_len = $img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false;
    }
    $new_body = $new_body . $orig_body;
    return $new_body;
}

//.........这里部分代码省略.........
            foreach ($divs as $div) {
                $class = $div->getAttribute('class');
                if ($class && (stristr($class, 'article') || stristr($class, 'content'))) {
                    $items = $div->getElementsByTagName('p');
                    if ($items) {
                        foreach ($items as $item) {
                            $text = $item->textContent;
                            if (stristr($text, '<script')) {
                                $text = '';
                                continue;
                            }
                            $text = strip_tags($text);
                            if (strlen($text) < 100) {
                                $text = '';
                                continue;
                            }
                            $text = substr($text, 0, 250) . '...';
                            break;
                        }
                    }
                }
                if ($text) {
                    break;
                }
            }
        }
        if (!$text) {
            $items = $dom->getElementsByTagName('p');
            if ($items) {
                foreach ($items as $item) {
                    $text = $item->textContent;
                    if (stristr($text, '<script')) {
                        continue;
                    }
                    $text = strip_tags($text);
                    if (strlen($text) < 100) {
                        $text = '';
                        continue;
                    }
                    $text = substr($text, 0, 250) . '...';
                    break;
                }
            }
        }
    }
    if (!$text) {
        logger('parsing meta');
        $items = $domhead->getElementsByTagName('meta');
        if ($items) {
            foreach ($items as $item) {
                $property = $item->getAttribute('property');
                if ($property && stristr($property, ':description')) {
                    $text = $item->getAttribute('content');
                    if (stristr($text, '<script')) {
                        $text = '';
                        continue;
                    }
                    $text = strip_tags($text);
                    $text = substr($text, 0, 250) . '...';
                }
                if ($property && stristr($property, ':image')) {
                    $image = $item->getAttribute('content');
                    if (stristr($text, '<script')) {
                        $image = '';
                        continue;
                    }
                    $image = strip_tags($image);
                    $i = fetch_url($image);
                    if ($i) {
                        require_once 'include/Photo.php';
                        $ph = new Photo($i);
                        if ($ph->is_valid()) {
                            if ($ph->getWidth() > 300 || $ph->getHeight() > 300) {
                                $ph->scaleImage(300);
                                $new_width = $ph->getWidth();
                                $new_height = $ph->getHeight();
                                $image = '<br /><br /><img height="' . $new_height . '" width="' . $new_width . '" src="' . $image . '" alt="photo" />';
                            } else {
                                $image = '<br /><br /><img src="' . $image . '" alt="photo" />';
                            }
                        } else {
                            $image = '';
                        }
                    }
                }
            }
        }
    }
    if (strlen($text)) {
        $text = '<br /><br /><blockquote>' . $text . '</blockquote><br />';
    }
    if ($image) {
        $text = $image . '<br />' . $text;
    }
    $title = str_replace(array("\r", "\n"), array('', ''), $title);
    $result = sprintf($template, $url, $title ? $title : $url, $text) . $str_tags;
    logger('parse_url: returns: ' . $result);
    echo $result;
    killme();
}

function import_profile_photo($photo, $uid, $cid)
{
    $a = get_app();
    $photo_failure = false;
    $filename = basename($photo);
    $img_str = fetch_url($photo, true);
    $img = new Photo($img_str);
    if ($img->is_valid()) {
        $img->scaleImageSquare(175);
        $hash = photo_new_resource();
        $r = $img->store($uid, $cid, $hash, $filename, 'Contact Photos', 4);
        if ($r === false) {
            $photo_failure = true;
        }
        $img->scaleImage(80);
        $r = $img->store($uid, $cid, $hash, $filename, 'Contact Photos', 5);
        if ($r === false) {
            $photo_failure = true;
        }
        $img->scaleImage(48);
        $r = $img->store($uid, $cid, $hash, $filename, 'Contact Photos', 6);
        if ($r === false) {
            $photo_failure = true;
        }
        $photo = $a->get_baseurl() . '/photo/' . $hash . '-4.jpg';
        $thumb = $a->get_baseurl() . '/photo/' . $hash . '-5.jpg';
        $micro = $a->get_baseurl() . '/photo/' . $hash . '-6.jpg';
    } else {
        $photo_failure = true;
    }
    if ($photo_failure) {
        $photo = $a->get_baseurl() . '/images/default-profile.jpg';
        $thumb = $a->get_baseurl() . '/images/default-profile-sm.jpg';
        $micro = $a->get_baseurl() . '/images/default-profile-mm.jpg';
    }
    return array($photo, $thumb, $micro);
}

function photo_init(&$a)
{
    switch ($a->argc) {
        case 4:
            $person = $a->argv[3];
            $customres = intval($a->argv[2]);
            $type = $a->argv[1];
            break;
        case 3:
            $person = $a->argv[2];
            $type = $a->argv[1];
            break;
        case 2:
            $photo = $a->argv[1];
            break;
        case 1:
        default:
            killme();
            // NOTREACHED
    }
    $default = 'images/default-profile.jpg';
    if (isset($type)) {
        /**
         * Profile photos
         */
        switch ($type) {
            case 'profile':
            case 'custom':
                $resolution = 4;
                break;
            case 'micro':
                $resolution = 6;
                $default = 'images/default-profile-mm.jpg';
                break;
            case 'avatar':
            default:
                $resolution = 5;
                $default = 'images/default-profile-sm.jpg';
                break;
        }
        $uid = str_replace('.jpg', '', $person);
        $r = q("SELECT * FROM `photo` WHERE `scale` = %d AND `uid` = %d AND `profile` = 1 LIMIT 1", intval($resolution), intval($uid));
        if (count($r)) {
            $data = $r[0]['data'];
        }
        if (!isset($data)) {
            $data = file_get_contents($default);
        }
    } else {
        /**
         * Other photos
         */
        $resolution = 0;
        $photo = str_replace('.jpg', '', $photo);
        if (substr($photo, -2, 1) == '-') {
            $resolution = intval(substr($photo, -1, 1));
            $photo = substr($photo, 0, -2);
        }
        $r = q("SELECT `uid` FROM `photo` WHERE `resource-id` = '%s' AND `scale` = %d LIMIT 1", dbesc($photo), intval($resolution));
        if (count($r)) {
            $sql_extra = permissions_sql($r[0]['uid']);
            // Now we'll see if we can access the photo
            $r = q("SELECT * FROM `photo` WHERE `resource-id` = '%s' AND `scale` = %d {$sql_extra} LIMIT 1", dbesc($photo), intval($resolution));
            if (count($r)) {
                $data = $r[0]['data'];
            } else {
                // Does the picture exist? It may be a remote person with no credentials,
                // but who should otherwise be able to view it. Show a default image to let
                // them know permissions was denied. It may be possible to view the image
                // through an authenticated profile visit.
                // There won't be many completely unauthorised people seeing this because
                // they won't have the photo link, so there's a reasonable chance that the person
                // might be able to obtain permission to view it.
                $r = q("SELECT * FROM `photo` WHERE `resource-id` = '%s' AND `scale` = %d LIMIT 1", dbesc($photo), intval($resolution));
                if (count($r)) {
                    $data = file_get_contents('images/nosign.jpg');
                }
            }
        }
    }
    if (!isset($data)) {
        killme();
        // NOTREACHED
    }
    if (intval($customres) && $customres > 0 && $customres < 500) {
        require_once 'include/Photo.php';
        $ph = new Photo($data);
        if ($ph->is_valid()) {
            $ph->scaleImageSquare($customres);
            $data = $ph->imageString();
        }
    }
    if (function_exists('header_remove')) {
        header_remove('Pragma');
        header_remove('pragma');
    }
    header("Content-type: image/jpeg");
    header("Expires: " . gmdate("D, d M Y H:i:s", time() + 3600 * 24) . " GMT");
    header("Cache-Control: max-age=" . 3600 * 24);
    echo $data;
//.........这里部分代码省略.........

function proxy_init()
{
    global $a, $_SERVER;
    // Pictures are stored in one of the following ways:
    // 1. If a folder "proxy" exists and is writeable, then use this for caching
    // 2. If a cache path is defined, use this
    // 3. If everything else failed, cache into the database
    //
    // Question: Do we really need these three methods?
    if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE'])) {
        header('HTTP/1.1 304 Not Modified');
        header("Last-Modified: " . gmdate("D, d M Y H:i:s", time()) . " GMT");
        header('Etag: ' . $_SERVER['HTTP_IF_NONE_MATCH']);
        header("Expires: " . gmdate("D, d M Y H:i:s", time() + 31536000) . " GMT");
        header("Cache-Control: max-age=31536000");
        if (function_exists('header_remove')) {
            header_remove('Last-Modified');
            header_remove('Expires');
            header_remove('Cache-Control');
        }
        exit;
    }
    if (function_exists('header_remove')) {
        header_remove('Pragma');
        header_remove('pragma');
    }
    $thumb = false;
    $size = 1024;
    // If the cache path isn't there, try to create it
    if (!is_dir($_SERVER["DOCUMENT_ROOT"] . "/proxy")) {
        if (is_writable($_SERVER["DOCUMENT_ROOT"])) {
            mkdir($_SERVER["DOCUMENT_ROOT"] . "/proxy");
        }
    }
    // Checking if caching into a folder in the webroot is activated and working
    $direct_cache = (is_dir($_SERVER["DOCUMENT_ROOT"] . "/proxy") and is_writable($_SERVER["DOCUMENT_ROOT"] . "/proxy"));
    // Look for filename in the arguments
    if ((isset($a->argv[1]) or isset($a->argv[2]) or isset($a->argv[3])) and !isset($_REQUEST["url"])) {
        if (isset($a->argv[3])) {
            $url = $a->argv[3];
        } elseif (isset($a->argv[2])) {
            $url = $a->argv[2];
        } else {
            $url = $a->argv[1];
        }
        if (isset($a->argv[3]) and $a->argv[3] == "thumb") {
            $size = 200;
        }
        // thumb, small, medium and large.
        if (substr($url, -6) == ":thumb") {
            $size = 150;
        }
        if (substr($url, -6) == ":small") {
            $size = 340;
        }
        if (substr($url, -7) == ":medium") {
            $size = 600;
        }
        if (substr($url, -6) == ":large") {
            $size = 1024;
        }
        $pos = strrpos($url, "=.");
        if ($pos) {
            $url = substr($url, 0, $pos + 1);
        }
        $url = str_replace(array(".jpg", ".jpeg", ".gif", ".png"), array("", "", "", ""), $url);
        $url = base64_decode(strtr($url, '-_', '+/'), true);
        if ($url) {
            $_REQUEST['url'] = $url;
        }
    } else {
        $direct_cache = false;
    }
    if (!$direct_cache) {
        $urlhash = 'pic:' . sha1($_REQUEST['url']);
        $cachefile = get_cachefile(hash("md5", $_REQUEST['url']));
        if ($cachefile != '') {
            if (file_exists($cachefile)) {
                $img_str = file_get_contents($cachefile);
                $mime = image_type_to_mime_type(exif_imagetype($cachefile));
                header("Content-type: {$mime}");
                header("Last-Modified: " . gmdate("D, d M Y H:i:s", time()) . " GMT");
                header('Etag: "' . md5($img_str) . '"');
                header("Expires: " . gmdate("D, d M Y H:i:s", time() + 31536000) . " GMT");
                header("Cache-Control: max-age=31536000");
                // reduce quality - if it isn't a GIF
                if ($mime != "image/gif") {
                    $img = new Photo($img_str, $mime);
                    if ($img->is_valid()) {
                        $img_str = $img->imageString();
                    }
                }
                echo $img_str;
                killme();
            }
        }
    } else {
        $cachefile = "";
    }
    $valid = true;
//.........这里部分代码省略.........

//.........这里部分代码省略.........
            case 'micro':
                $resolution = 6;
                $default = 'images/person-48.jpg';
                break;
            case 'avatar':
            default:
                $resolution = 5;
                $default = 'images/person-80.jpg';
                break;
        }
        $uid = str_replace('.jpg', '', $person);
        $r = q("SELECT * FROM `photo` WHERE `scale` = %d AND `uid` = %d AND `profile` = 1 LIMIT 1", intval($resolution), intval($uid));
        if (count($r)) {
            $data = $r[0]['data'];
        }
        if (!isset($data)) {
            $data = file_get_contents($default);
        }
    } else {
        /**
         * Other photos
         */
        $resolution = 0;
        $photo = str_replace('.jpg', '', $photo);
        if (substr($photo, -2, 1) == '-') {
            $resolution = intval(substr($photo, -1, 1));
            $photo = substr($photo, 0, -2);
        }
        $r = q("SELECT `uid` FROM `photo` WHERE `resource-id` = '%s' AND `scale` = %d LIMIT 1", dbesc($photo), intval($resolution));
        if (count($r)) {
            $sql_extra = permissions_sql($r[0]['uid']);
            // Now we'll see if we can access the photo
            $r = q("SELECT * FROM `photo` WHERE `resource-id` = '%s' AND `scale` = %d {$sql_extra} LIMIT 1", dbesc($photo), intval($resolution));
            if (count($r)) {
                $data = $r[0]['data'];
            } else {
                // Does the picture exist? It may be a remote person with no credentials,
                // but who should otherwise be able to view it. Show a default image to let
                // them know permissions was denied. It may be possible to view the image
                // through an authenticated profile visit.
                // There won't be many completely unauthorised people seeing this because
                // they won't have the photo link, so there's a reasonable chance that the person
                // might be able to obtain permission to view it.
                $r = q("SELECT * FROM `photo` WHERE `resource-id` = '%s' AND `scale` = %d LIMIT 1", dbesc($photo), intval($resolution));
                if (count($r)) {
                    $data = file_get_contents('images/nosign.jpg');
                    $prvcachecontrol = true;
                }
            }
        }
    }
    if (!isset($data)) {
        if (isset($resolution)) {
            switch ($resolution) {
                case 4:
                    $data = file_get_contents('images/person-175.jpg');
                    break;
                case 5:
                    $data = file_get_contents('images/person-80.jpg');
                    break;
                case 6:
                    $data = file_get_contents('images/person-48.jpg');
                    break;
                default:
                    killme();
                    // NOTREACHED
                    break;
            }
        }
    }
    if (isset($customres) && $customres > 0 && $customres < 500) {
        require_once 'include/Photo.php';
        $ph = new Photo($data);
        if ($ph->is_valid()) {
            $ph->scaleImageSquare($customres);
            $data = $ph->imageString();
        }
    }
    // Writing in cachefile
    if (isset($cachefile) && $cachefile != '') {
        file_put_contents($cachefile, $data);
    }
    if (function_exists('header_remove')) {
        header_remove('Pragma');
        header_remove('pragma');
    }
    header("Content-type: image/jpeg");
    if ($prvcachecontrol) {
        // it is a private photo that they have no permission to view.
        // tell the browser not to cache it, in case they authenticate
        // and subsequently have permission to see it
        header("Cache-Control: no-store, no-cache, must-revalidate");
    } else {
        header("Expires: " . gmdate("D, d M Y H:i:s", time() + 3600 * 24) . " GMT");
        header("Cache-Control: max-age=" . 3600 * 24);
    }
    echo $data;
    killme();
    // NOTREACHED
}

function store_photo($a, $uid, $imagedata = "", $url = "")
{
    $r = q("SELECT `user`.`nickname`, `user`.`page-flags`, `contact`.`id` FROM `user` INNER JOIN `contact` on `user`.`uid` = `contact`.`uid`\n\t\tWHERE `user`.`uid` = %d AND `user`.`blocked` = 0 and `contact`.`self` = 1 LIMIT 1", intval($uid));
    if (!count($r)) {
        logger("Can't detect user data for uid " . $uid, LOGGER_DEBUG);
        return array();
    }
    $page_owner_nick = $r[0]['nickname'];
    //	To-Do:
    //	$default_cid      = $r[0]['id'];
    //	$community_page   = (($r[0]['page-flags'] == PAGE_COMMUNITY) ? true : false);
    if (strlen($imagedata) == 0 and $url == "") {
        logger("No image data and no url provided", LOGGER_DEBUG);
        return array();
    } elseif (strlen($imagedata) == 0) {
        logger("Uploading picture from " . $url, LOGGER_DEBUG);
        $imagedata = @file_get_contents($url);
    }
    $maximagesize = get_config('system', 'maximagesize');
    if ($maximagesize && strlen($imagedata) > $maximagesize) {
        logger("Image exceeds size limit of " . $maximagesize, LOGGER_DEBUG);
        return array();
    }
    /*
            $r = q("select sum(octet_length(data)) as total from photo where uid = %d and scale = 0 and album != 'Contact Photos' ",
                    intval($uid)
            );
    
            $limit = service_class_fetch($uid,'photo_upload_limit');
    
            if(($limit !== false) && (($r[0]['total'] + strlen($imagedata)) > $limit)) {
    		logger("Image exceeds personal limit of uid ".$uid, LOGGER_DEBUG);
    		return(array());
            }
    */
    $tempfile = tempnam(get_temppath(), "cache");
    file_put_contents($tempfile, $imagedata);
    $data = getimagesize($tempfile);
    if (!isset($data["mime"])) {
        unlink($tempfile);
        logger("File is no picture", LOGGER_DEBUG);
        return array();
    }
    $ph = new Photo($imagedata, $data["mime"]);
    if (!$ph->is_valid()) {
        unlink($tempfile);
        logger("Picture is no valid picture", LOGGER_DEBUG);
        return array();
    }
    $ph->orient($tempfile);
    unlink($tempfile);
    $max_length = get_config('system', 'max_image_length');
    if (!$max_length) {
        $max_length = MAX_IMAGE_LENGTH;
    }
    if ($max_length > 0) {
        $ph->scaleImage($max_length);
    }
    $width = $ph->getWidth();
    $height = $ph->getHeight();
    $hash = photo_new_resource();
    $smallest = 0;
    // Pictures are always public by now
    //$defperm = '<'.$default_cid.'>';
    $defperm = "";
    $visitor = 0;
    $r = $ph->store($uid, $visitor, $hash, $tempfile, t('Wall Photos'), 0, 0, $defperm);
    if (!$r) {
        logger("Picture couldn't be stored", LOGGER_DEBUG);
        return array();
    }
    $image = array("page" => $a->get_baseurl() . '/photos/' . $page_owner_nick . '/image/' . $hash, "full" => $a->get_baseurl() . "/photo/{$hash}-0." . $ph->getExt());
    if ($width > 800 || $height > 800) {
        $image["large"] = $a->get_baseurl() . "/photo/{$hash}-0." . $ph->getExt();
    }
    if ($width > 640 || $height > 640) {
        $ph->scaleImage(640);
        $r = $ph->store($uid, $visitor, $hash, $tempfile, t('Wall Photos'), 1, 0, $defperm);
        if ($r) {
            $image["medium"] = $a->get_baseurl() . "/photo/{$hash}-1." . $ph->getExt();
        }
    }
    if ($width > 320 || $height > 320) {
        $ph->scaleImage(320);
        $r = $ph->store($uid, $visitor, $hash, $tempfile, t('Wall Photos'), 2, 0, $defperm);
        if ($r) {
            $image["small"] = $a->get_baseurl() . "/photo/{$hash}-2." . $ph->getExt();
        }
    }
    if ($width > 160 and $height > 160) {
        $x = 0;
        $y = 0;
        $min = $ph->getWidth();
        if ($min > 160) {
            $x = ($min - 160) / 2;
        }
        if ($ph->getHeight() < $min) {
            $min = $ph->getHeight();
            if ($min > 160) {
                $y = ($min - 160) / 2;
//.........这里部分代码省略.........

function wall_upload_post(&$a)
{
    logger("wall upload: starting new upload", LOGGER_DEBUG);
    if ($a->argc > 1) {
        if (!x($_FILES, 'media')) {
            $nick = $a->argv[1];
            $r = q("SELECT `user`.*, `contact`.`id` FROM `user` LEFT JOIN `contact` on `user`.`uid` = `contact`.`uid`  WHERE `user`.`nickname` = '%s' AND `user`.`blocked` = 0 and `contact`.`self` = 1 LIMIT 1", dbesc($nick));
            if (!count($r)) {
                return;
            }
        } else {
            $user_info = api_get_user($a);
            $r = q("SELECT `user`.*, `contact`.`id` FROM `user` LEFT JOIN `contact` on `user`.`uid` = `contact`.`uid`  WHERE `user`.`nickname` = '%s' AND `user`.`blocked` = 0 and `contact`.`self` = 1 LIMIT 1", dbesc($user_info['screen_name']));
        }
    } else {
        return;
    }
    $can_post = false;
    $visitor = 0;
    $page_owner_uid = $r[0]['uid'];
    $default_cid = $r[0]['id'];
    $page_owner_nick = $r[0]['nickname'];
    $community_page = $r[0]['page-flags'] == PAGE_COMMUNITY ? true : false;
    if (local_user() && local_user() == $page_owner_uid) {
        $can_post = true;
    } else {
        if ($community_page && remote_user()) {
            $cid = 0;
            if (is_array($_SESSION['remote'])) {
                foreach ($_SESSION['remote'] as $v) {
                    if ($v['uid'] == $page_owner_uid) {
                        $cid = $v['cid'];
                        break;
                    }
                }
            }
            if ($cid) {
                $r = q("SELECT `uid` FROM `contact` WHERE `blocked` = 0 AND `pending` = 0 AND `id` = %d AND `uid` = %d LIMIT 1", intval($cid), intval($page_owner_uid));
                if (count($r)) {
                    $can_post = true;
                    $visitor = $cid;
                }
            }
        }
    }
    if (!$can_post) {
        notice(t('Permission denied.') . EOL);
        killme();
    }
    if (!x($_FILES, 'userfile') && !x($_FILES, 'media')) {
        killme();
    }
    if (x($_FILES, 'userfile')) {
        $src = $_FILES['userfile']['tmp_name'];
        $filename = basename($_FILES['userfile']['name']);
        $filesize = intval($_FILES['userfile']['size']);
        $filetype = $_FILES['userfile']['type'];
    } elseif (x($_FILES, 'media')) {
        $src = $_FILES['media']['tmp_name'];
        $filename = basename($_FILES['media']['name']);
        $filesize = intval($_FILES['media']['size']);
        $filetype = $_FILES['media']['type'];
    }
    if ($filetype == "") {
        $filetype = guess_image_type($filename);
    }
    $maximagesize = get_config('system', 'maximagesize');
    if ($maximagesize && $filesize > $maximagesize) {
        echo sprintf(t('Image exceeds size limit of %d'), $maximagesize) . EOL;
        @unlink($src);
        killme();
    }
    $r = q("select sum(octet_length(data)) as total from photo where uid = %d and scale = 0 and album != 'Contact Photos' ", intval($page_owner_uid));
    $limit = service_class_fetch($page_owner_uid, 'photo_upload_limit');
    if ($limit !== false && $r[0]['total'] + strlen($imagedata) > $limit) {
        echo upgrade_message(true) . EOL;
        @unlink($src);
        killme();
    }
    $imagedata = @file_get_contents($src);
    $ph = new Photo($imagedata, $filetype);
    if (!$ph->is_valid()) {
        echo t('Unable to process image.') . EOL;
        @unlink($src);
        killme();
    }
    $ph->orient($src);
    @unlink($src);
    $max_length = get_config('system', 'max_image_length');
    if (!$max_length) {
        $max_length = MAX_IMAGE_LENGTH;
    }
    if ($max_length > 0) {
        $ph->scaleImage($max_length);
    }
    $width = $ph->getWidth();
    $height = $ph->getHeight();
    $hash = photo_new_resource();
    $smallest = 0;
    $defperm = '<' . $default_cid . '>';
//.........这里部分代码省略.........