PHP Photo::scaleImageSquare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;
}

//.........这里部分代码省略.........
        }
    } else {
        /**
         * Other photos
         */
        $resolution = 0;
        foreach (Photo::supportedTypes() as $m => $e) {
            $photo = str_replace(".{$e}", '', $photo);
        }
        if (substr($photo, -2, 1) == '-') {
            $resolution = intval(substr($photo, -1, 1));
            $photo = substr($photo, 0, -2);
        }
        // check if the photo exists and get the owner of the photo
        $r = q("SELECT `uid` FROM `photo` WHERE `resource-id` = '%s' LIMIT 1", dbesc($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} ORDER BY scale DESC LIMIT 1", dbesc($photo), intval($resolution));
            $public = $r[0]['allow_cid'] == '' and $r[0]['allow_gid'] == '' and $r[0]['deny_cid'] == '' and $r[0]['deny_gid'] == '';
            if (count($r)) {
                $resolution = $r[0]['scale'];
                $data = $r[0]['data'];
                $mimetype = $r[0]['type'];
            } else {
                // The picure exists. We already checked with the first query.
                // obviously, this is not an authorized viev!
                $data = file_get_contents('images/nosign.jpg');
                $mimetype = 'image/jpeg';
                $prvcachecontrol = true;
                $public = false;
            }
        }
    }
    if (!isset($data)) {
        if (isset($resolution)) {
            switch ($resolution) {
                case 4:
                    $data = file_get_contents('images/person-175.jpg');
                    $mimetype = 'image/jpeg';
                    break;
                case 5:
                    $data = file_get_contents('images/person-80.jpg');
                    $mimetype = 'image/jpeg';
                    break;
                case 6:
                    $data = file_get_contents('images/person-48.jpg');
                    $mimetype = 'image/jpeg';
                    break;
                default:
                    killme();
                    // NOTREACHED
                    break;
            }
        }
    }
    // Resize only if its not a GIF
    if ($mime != "image/gif") {
        $ph = new Photo($data, $mimetype);
        if ($ph->is_valid()) {
            if (isset($customres) && $customres > 0 && $customres < 500) {
                $ph->scaleImageSquare($customres);
            }
            $data = $ph->imageString();
            $mimetype = $ph->getType();
        }
    }
    if (function_exists('header_remove')) {
        header_remove('Pragma');
        header_remove('pragma');
    }
    header("Content-type: " . $mimetype);
    if ($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("Last-Modified: " . gmdate("D, d M Y H:i:s", time()) . " GMT");
        header('Etag: "' . md5($data) . '"');
        header("Expires: " . gmdate("D, d M Y H:i:s", time() + 31536000) . " GMT");
        header("Cache-Control: max-age=31536000");
    }
    echo $data;
    // If the photo is public and there is an existing photo directory store the photo there
    if ($public and $file != "") {
        // If the photo path isn't there, try to create it
        $basepath = $a->get_basepath();
        if (!is_dir($basepath . "/photo")) {
            if (is_writable($basepath)) {
                mkdir($basepath . "/photo");
            }
        }
        if (is_dir($basepath . "/photo")) {
            file_put_contents($basepath . "/photo/" . $file, $data);
        }
    }
    killme();
    // NOTREACHED
}

     if ($photo_rawupdate) {
         $photo_timestamp = datetime_convert('UTC', 'UTC', $photo_rawupdate[0]['data']);
         $photo_url = $feed->get_image_url();
     }
 }
 if ($photo_timestamp && strlen($photo_url) && $photo_timestamp > $contact['avatar-date']) {
     require_once "Photo.php";
     $photo_failure = false;
     $r = q("SELECT `resource-id` FROM `photo` WHERE `contact-id` = %d LIMIT 1", intval($contact['id']));
     if (count($r)) {
         $resource_id = $r[0]['resource-id'];
         $img_str = fetch_url($photo_url, true);
         $img = new Photo($img_str);
         if ($img) {
             q("DELETE FROM `photo` WHERE `resource-id` = '%s' AND contact-id` = %d ", dbesc($resource_id), intval($contact['id']));
             $img->scaleImageSquare(175);
             $hash = $resource_id;
             $r = $img->store($contact['id'], $hash, basename($photo_url), t('Contact Photos'), 4);
             $img->scaleImage(80);
             $r = $img->store($contact['id'], $hash, basename($photo_url), t('Contact Photos'), 5);
             if ($r) {
                 q("UPDATE `contact` SET `avatar-date` = '%s' WHERE `id` = %d LIMIT 1", dbesc(datetime_convert()), intval($contact['id']));
             }
         }
     }
 }
 if ($name_updated && strlen($new_name) && $name_updated > $contact['name-date']) {
     q("UPDATE `contact` SET `name` = '%s', `name-date` = '%s' WHERE `id` = %d LIMIT 1", dbesc(notags(trim($new_name))), dbesc(datetime_convert()), intval($contact['id']));
 }
 // Now process the feed
 foreach ($feed->get_items() as $item) {

//.........这里部分代码省略.........
      * 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) {
         $err .= t('Nickname is already registered. Please choose another.') . EOL;
         q("DELETE FROM `user` WHERE `uid` = %d LIMIT 1", intval($newuid));
         notice($err);
         return;
     }
     if (x($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), '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) {
             notice(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;
         }
         $r = q("INSERT INTO `contact` ( `uid`, `created`, `self`, `name`, `nick`, `photo`, `thumb`, `micro`, `blocked`, `pending`, `url`, `nurl`,\n\t\t\t`request`, `notify`, `poll`, `confirm`, `poco`, `name-date`, `uri-date`, `avatar-date` )\n\t\t\tVALUES ( %d, '%s', 1, '%s', '%s', '%s', '%s', '%s', 0, 0, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s' ) ", intval($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()));
     }
     $use_gravatar = get_config('system', 'no_gravatar') ? false : true;
     // if we have an openid photo use it.
     // otherwise unless it is disabled, use gravatar
     if ($use_gravatar || strlen($photo)) {
         require_once 'include/Photo.php';
         if ($use_gravatar && !strlen($photo)) {
             $photo = gravatar_img($email);
         }
         $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 = $img->store($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($hash));
             }
         }
     }
     if ($netpublish && $a->config['register_policy'] != REGISTER_APPROVE) {
         $url = $a->get_baseurl() . "/profile/{$nickname}";
         proc_run('php', "include/directory.php", "{$url}");
     }
     call_hooks('register_account', $newuid);
     if ($a->config['register_policy'] == REGISTER_OPEN) {
         if ($using_invites && $invite_id) {
             q("delete * from register where hash = '%s' limit 1", dbesc($invite_id));
             set_pconfig($newuid, 'system', 'invites_remaining', $num_invites);
         }
         $email_tpl = get_intltext_template("register_open_eml.tpl");
         $email_tpl = replace_macros($email_tpl, array('$sitename' => $a->config['sitename'], '$siteurl' => $a->get_baseurl(), '$username' => $username, '$email' => $email, '$password' => $new_password, '$uid' => $newuid));

/**
 *
 * consume_feed - process atom feed and update anything/everything we might need to update
 *
 * $xml = the (atom) feed to consume - RSS isn't as fully supported but may work for simple feeds.
 *
 * $importer = the contact_record (joined to user_record) of the local user who owns this relationship.
 *             It is this person's stuff that is going to be updated.
 * $contact =  the person who is sending us stuff. If not set, we MAY be processing a "follow" activity
 *             from an external network and MAY create an appropriate contact record. Otherwise, we MUST 
 *             have a contact record.
 * $hub = should we find a hub declation in the feed, pass it back to our calling process, who might (or 
 *        might not) try and subscribe to it.
 * $datedir sorts in reverse order
 * $pass - by default ($pass = 0) we cannot guarantee that a parent item has been 
 *      imported prior to its children being seen in the stream unless we are certain
 *      of how the feed is arranged/ordered.
 * With $pass = 1, we only pull parent items out of the stream.
 * With $pass = 2, we only pull children (comments/likes).
 *
 * So running this twice, first with pass 1 and then with pass 2 will do the right
 * thing regardless of feed ordering. This won't be adequate in a fully-threaded
 * model where comments can have sub-threads. That would require some massive sorting
 * to get all the feed items into a mostly linear ordering, and might still require
 * recursion.  
 */
function consume_feed($xml, $importer, &$contact, &$hub, $datedir = 0, $pass = 0)
{
    require_once 'library/simplepie/simplepie.inc';
    if (!strlen($xml)) {
        logger('consume_feed: empty input');
        return;
    }
    $feed = new SimplePie();
    $feed->set_raw_data($xml);
    if ($datedir) {
        $feed->enable_order_by_date(true);
    } else {
        $feed->enable_order_by_date(false);
    }
    $feed->init();
    if ($feed->error()) {
        logger('consume_feed: Error parsing XML: ' . $feed->error());
    }
    $permalink = $feed->get_permalink();
    // Check at the feed level for updated contact name and/or photo
    $name_updated = '';
    $new_name = '';
    $photo_timestamp = '';
    $photo_url = '';
    $birthday = '';
    $hubs = $feed->get_links('hub');
    if (count($hubs)) {
        $hub = implode(',', $hubs);
    }
    $rawtags = $feed->get_feed_tags(NAMESPACE_DFRN, 'owner');
    if (!$rawtags) {
        $rawtags = $feed->get_feed_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'author');
    }
    if ($rawtags) {
        $elems = $rawtags[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10];
        if ($elems['name'][0]['attribs'][NAMESPACE_DFRN]['updated']) {
            $name_updated = $elems['name'][0]['attribs'][NAMESPACE_DFRN]['updated'];
            $new_name = $elems['name'][0]['data'];
        }
        if (x($elems, 'link') && $elems['link'][0]['attribs']['']['rel'] === 'photo' && $elems['link'][0]['attribs'][NAMESPACE_DFRN]['updated']) {
            $photo_timestamp = datetime_convert('UTC', 'UTC', $elems['link'][0]['attribs'][NAMESPACE_DFRN]['updated']);
            $photo_url = $elems['link'][0]['attribs']['']['href'];
        }
        if (x($rawtags[0]['child'], NAMESPACE_DFRN) && x($rawtags[0]['child'][NAMESPACE_DFRN], 'birthday')) {
            $birthday = datetime_convert('UTC', 'UTC', $rawtags[0]['child'][NAMESPACE_DFRN]['birthday'][0]['data']);
        }
    }
    if (is_array($contact) && $photo_timestamp && strlen($photo_url) && $photo_timestamp > $contact['avatar-date']) {
        logger('consume_feed: Updating photo for ' . $contact['name']);
        require_once "Photo.php";
        $photo_failure = false;
        $have_photo = false;
        $r = q("SELECT `resource-id` FROM `photo` WHERE `contact-id` = %d AND `uid` = %d LIMIT 1", intval($contact['id']), intval($contact['uid']));
        if (count($r)) {
            $resource_id = $r[0]['resource-id'];
            $have_photo = true;
        } else {
            $resource_id = photo_new_resource();
        }
        $img_str = fetch_url($photo_url, true);
        $img = new Photo($img_str);
        if ($img->is_valid()) {
            if ($have_photo) {
                q("DELETE FROM `photo` WHERE `resource-id` = '%s' AND `contact-id` = %d AND `uid` = %d", dbesc($resource_id), intval($contact['id']), intval($contact['uid']));
            }
            $img->scaleImageSquare(175);
            $hash = $resource_id;
            $r = $img->store($contact['uid'], $contact['id'], $hash, basename($photo_url), 'Contact Photos', 4);
            $img->scaleImage(80);
            $r = $img->store($contact['uid'], $contact['id'], $hash, basename($photo_url), 'Contact Photos', 5);
            $img->scaleImage(48);
            $r = $img->store($contact['uid'], $contact['id'], $hash, basename($photo_url), 'Contact Photos', 6);
            $a = get_app();
            q("UPDATE `contact` SET `avatar-date` = '%s', `photo` = '%s', `thumb` = '%s', `micro` = '%s'  \n\t\t\t\tWHERE `uid` = %d AND `id` = %d LIMIT 1", dbesc(datetime_convert()), dbesc($a->get_baseurl() . '/photo/' . $hash . '-4.jpg'), dbesc($a->get_baseurl() . '/photo/' . $hash . '-5.jpg'), dbesc($a->get_baseurl() . '/photo/' . $hash . '-6.jpg'), intval($contact['uid']), intval($contact['id']));
//.........这里部分代码省略.........

function import_profile_photo($photo, $uid, $cid)
{
    $a = get_app();
    $r = q("select `resource-id` from photo where `uid` = %d and `contact-id` = %d and `scale` = 4 and `album` = 'Contact Photos' limit 1", intval($uid), intval($cid));
    if (count($r) && strlen($r[0]['resource-id'])) {
        $hash = $r[0]['resource-id'];
    } else {
        $hash = photo_new_resource();
    }
    $photo_failure = false;
    $filename = basename($photo);
    $img_str = fetch_url($photo, true);
    $type = guess_image_type($photo, true);
    $img = new Photo($img_str, $type);
    if ($img->is_valid()) {
        $img->scaleImageSquare(175);
        $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.' . $img->getExt();
        $thumb = $a->get_baseurl() . '/photo/' . $hash . '-5.' . $img->getExt();
        $micro = $a->get_baseurl() . '/photo/' . $hash . '-6.' . $img->getExt();
    } else {
        $photo_failure = true;
    }
    if ($photo_failure) {
        $photo = $a->get_baseurl() . '/images/person-175.jpg';
        $thumb = $a->get_baseurl() . '/images/person-80.jpg';
        $micro = $a->get_baseurl() . '/images/person-48.jpg';
    }
    return array($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 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 local_delivery($importer, $data)
{
    $a = get_app();
    logger(__FUNCTION__, LOGGER_TRACE);
    if ($importer['readonly']) {
        // We aren't receiving stuff from this person. But we will quietly ignore them
        // rather than a blatant "go away" message.
        logger('local_delivery: ignoring');
        return 0;
        //NOTREACHED
    }
    // Consume notification feed. This may differ from consuming a public feed in several ways
    // - might contain email or friend suggestions
    // - might contain remote followup to our message
    //		- in which case we need to accept it and then notify other conversants
    // - we may need to send various email notifications
    $feed = new SimplePie();
    $feed->set_raw_data($data);
    $feed->enable_order_by_date(false);
    $feed->init();
    if ($feed->error()) {
        logger('local_delivery: Error parsing XML: ' . $feed->error());
    }
    // Check at the feed level for updated contact name and/or photo
    $name_updated = '';
    $new_name = '';
    $photo_timestamp = '';
    $photo_url = '';
    $rawtags = $feed->get_feed_tags(NAMESPACE_DFRN, 'owner');
    // Fallback should not be needed here. If it isn't DFRN it won't have DFRN updated tags
    //	if(! $rawtags)
    //		$rawtags = $feed->get_feed_tags( SIMPLEPIE_NAMESPACE_ATOM_10, 'author');
    if ($rawtags) {
        $elems = $rawtags[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10];
        if ($elems['name'][0]['attribs'][NAMESPACE_DFRN]['updated']) {
            $name_updated = $elems['name'][0]['attribs'][NAMESPACE_DFRN]['updated'];
            $new_name = $elems['name'][0]['data'];
        }
        if (x($elems, 'link') && $elems['link'][0]['attribs']['']['rel'] === 'photo' && $elems['link'][0]['attribs'][NAMESPACE_DFRN]['updated']) {
            $photo_timestamp = datetime_convert('UTC', 'UTC', $elems['link'][0]['attribs'][NAMESPACE_DFRN]['updated']);
            $photo_url = $elems['link'][0]['attribs']['']['href'];
        }
    }
    if ($photo_timestamp && strlen($photo_url) && $photo_timestamp > $importer['avatar-date']) {
        logger('local_delivery: Updating photo for ' . $importer['name']);
        require_once "include/Photo.php";
        $photo_failure = false;
        $have_photo = false;
        $r = q("SELECT `resource-id` FROM `photo` WHERE `contact-id` = %d AND `uid` = %d LIMIT 1", intval($importer['id']), intval($importer['importer_uid']));
        if (count($r)) {
            $resource_id = $r[0]['resource-id'];
            $have_photo = true;
        } else {
            $resource_id = photo_new_resource();
        }
        $img_str = fetch_url($photo_url, true);
        // guess mimetype from headers or filename
        $type = guess_image_type($photo_url, true);
        $img = new Photo($img_str, $type);
        if ($img->is_valid()) {
            if ($have_photo) {
                q("DELETE FROM `photo` WHERE `resource-id` = '%s' AND `contact-id` = %d AND `uid` = %d", dbesc($resource_id), intval($importer['id']), intval($importer['importer_uid']));
            }
            $img->scaleImageSquare(175);
            $hash = $resource_id;
            $r = $img->store($importer['importer_uid'], $importer['id'], $hash, basename($photo_url), 'Contact Photos', 4);
            $img->scaleImage(80);
            $r = $img->store($importer['importer_uid'], $importer['id'], $hash, basename($photo_url), 'Contact Photos', 5);
            $img->scaleImage(48);
            $r = $img->store($importer['importer_uid'], $importer['id'], $hash, basename($photo_url), 'Contact Photos', 6);
            $a = get_app();
            q("UPDATE `contact` SET `avatar-date` = '%s', `photo` = '%s', `thumb` = '%s', `micro` = '%s'\n\t\t\t\tWHERE `uid` = %d AND `id` = %d LIMIT 1", dbesc(datetime_convert()), dbesc($a->get_baseurl() . '/photo/' . $hash . '-4.' . $img->getExt()), dbesc($a->get_baseurl() . '/photo/' . $hash . '-5.' . $img->getExt()), dbesc($a->get_baseurl() . '/photo/' . $hash . '-6.' . $img->getExt()), intval($importer['importer_uid']), intval($importer['id']));
        }
    }
    if ($name_updated && strlen($new_name) && $name_updated > $importer['name-date']) {
        $r = q("select * from contact where uid = %d and id = %d limit 1", intval($importer['importer_uid']), intval($importer['id']));
        $x = q("UPDATE `contact` SET `name` = '%s', `name-date` = '%s' WHERE `uid` = %d AND `id` = %d LIMIT 1", dbesc(notags(trim($new_name))), dbesc(datetime_convert()), intval($importer['importer_uid']), intval($importer['id']));
        // do our best to update the name on content items
        if (count($r)) {
            q("update item set `author-name` = '%s' where `author-name` = '%s' and `author-link` = '%s' and uid = %d", dbesc(notags(trim($new_name))), dbesc($r[0]['name']), dbesc($r[0]['url']), intval($importer['importer_uid']));
        }
    }
    // Currently unsupported - needs a lot of work
    $reloc = $feed->get_feed_tags(NAMESPACE_DFRN, 'relocate');
    if (isset($reloc[0]['child'][NAMESPACE_DFRN])) {
        $base = $reloc[0]['child'][NAMESPACE_DFRN];
        $newloc = array();
        $newloc['uid'] = $importer['importer_uid'];
        $newloc['cid'] = $importer['id'];
        $newloc['name'] = notags(unxmlify($base['name'][0]['data']));
        $newloc['photo'] = notags(unxmlify($base['photo'][0]['data']));
        $newloc['thumb'] = notags(unxmlify($base['thumb'][0]['data']));
        $newloc['micro'] = notags(unxmlify($base['micro'][0]['data']));
        $newloc['url'] = notags(unxmlify($base['url'][0]['data']));
        $newloc['request'] = notags(unxmlify($base['request'][0]['data']));
        $newloc['confirm'] = notags(unxmlify($base['confirm'][0]['data']));
        $newloc['notify'] = notags(unxmlify($base['notify'][0]['data']));
        $newloc['poll'] = notags(unxmlify($base['poll'][0]['data']));
        $newloc['sitepubkey'] = notags(unxmlify($base['sitepubkey'][0]['data']));
        /** relocated user must have original key pair */
//.........这里部分代码省略.........

function dfrn_confirm_post(&$a)
{
    if ($a->argc > 1) {
        $node = $a->argv[1];
    }
    if (x($_POST, 'source_url')) {
        // We are processing an external confirmation to an introduction created by our user.
        $public_key = $_POST['public_key'];
        $dfrn_id = $_POST['dfrn_id'];
        $source_url = $_POST['source_url'];
        $aes_key = $_POST['aes_key'];
        $duplex = $_POST['duplex'];
        $version_id = $_POST['dfrn_version'];
        // Find our user's account
        $r = q("SELECT * FROM `user` WHERE `nickname` = '%s' LIMIT 1", dbesc($node));
        if (!count($r)) {
            xml_status(3);
            // failure
            return;
            // NOTREACHED
        }
        $my_prvkey = $r[0]['prvkey'];
        $local_uid = $r[0]['uid'];
        // verify everything
        $decrypted_source_url = "";
        openssl_private_decrypt($source_url, $decrypted_source_url, $my_prvkey);
        $ret = q("SELECT * FROM `contact` WHERE `url` = '%s' LIMIT 1", dbesc($decrypted_source_url));
        if (!count($ret)) {
            // this is either a bogus confirmation or we deleted the original introduction.
            xml_status(3);
            return;
            // NOTREACHED
        }
        $relation = $ret[0]['rel'];
        // Decrypt all this stuff we just received
        $foreign_pubkey = $ret[0]['site-pubkey'];
        $dfrn_record = $ret[0]['id'];
        $decrypted_dfrn_id = "";
        openssl_public_decrypt($dfrn_id, $decrypted_dfrn_id, $foreign_pubkey);
        if (strlen($aes_key)) {
            $decrypted_aes_key = "";
            openssl_private_decrypt($aes_key, $decrypted_aes_key, $my_prvkey);
            $dfrn_pubkey = openssl_decrypt($public_key, 'AES-256-CBC', $decrypted_aes_key);
        } else {
            $dfrn_pubkey = $public_key;
        }
        $r = q("SELECT * FROM `contact` WHERE `dfrn-id` = '%s' LIMIT 1", dbesc($decrypted_dfrn_id), intval($local_uid));
        if (count($r)) {
            xml_status(1);
            // Birthday paradox - duplicate dfrn-id
            return;
            // NOTREACHED
        }
        $r = q("UPDATE `contact` SET `dfrn-id` = '%s', `pubkey` = '%s' WHERE `id` = %d LIMIT 1", dbesc($decrypted_dfrn_id), dbesc($dfrn_pubkey), intval($dfrn_record));
        if ($r) {
            // We're good but now we have to scrape the profile photo and send notifications.
            require_once "Photo.php";
            $photo_failure = false;
            $r = q("SELECT `photo` FROM `contact` WHERE `id` = %d LIMIT 1", intval($dfrn_record));
            if (count($r)) {
                $filename = basename($r[0]['photo']);
                $img_str = fetch_url($r[0]['photo'], true);
                $img = new Photo($img_str);
                if ($img) {
                    $img->scaleImageSquare(175);
                    $hash = hash('md5', uniqid(mt_rand(), true));
                    $r = $img->store($dfrn_record, $hash, $filename, t('Contact Photos'), 4);
                    if ($r === false) {
                        $photo_failure = true;
                    }
                    $img->scaleImage(80);
                    $r = $img->store($dfrn_record, $hash, $filename, t('Contact Photos'), 5);
                    if ($r === false) {
                        $photo_failure = true;
                    }
                    $photo = $a->get_baseurl() . '/photo/' . $hash . '-4.jpg';
                    $thumb = $a->get_baseurl() . '/photo/' . $hash . '-5.jpg';
                } else {
                    $photo_failure = true;
                }
            } else {
                $photo_failure = true;
            }
            if ($photo_failure) {
                $photo = $a->get_baseurl() . '/images/default-profile.jpg';
                $thumb = $a->get_baseurl() . '/images/default-profile-sm.jpg';
            }
            $new_relation = DIRECTION_OUT;
            if ($relation == DIRECTION_IN || $duplex) {
                $new_relation = DIRECTION_BOTH;
            }
            $r = q("UPDATE `contact` SET \n\t\t\t\t`photo` = '%s',\n\t\t\t\t`thumb` = '%s',\n\t\t\t\t`rel` = %d,\n\t\t\t\t`name-date` = '%s',\n\t\t\t\t`uri-date` = '%s',\n\t\t\t\t`avatar-date` = '%s',\n\t\t\t\t`blocked` = 0,\n\t\t\t\t`pending` = 0,\n\t\t\t\t`duplex` = %d\n\t\t\t\t`network` = 'dfrn' WHERE `id` = %d LIMIT 1\n\t\t\t", dbesc($photo), dbesc($thumb), intval($newrelation), dbesc(datetime_convert()), dbesc(datetime_convert()), dbesc(datetime_convert()), intval($duplex), intval($dfrn_record));
            if ($r === false) {
                notice(t("Unable to set contact photo info.") . EOL);
            }
            // Otherwise everything seems to have worked and we are almost done. Yay!
            // Send an email notification
            $r = q("SELECT * FROM `contact` LEFT JOIN `user` ON `user`.`uid` = 1\n\t\t\t\tWHERE `contact`.`id` = %d LIMIT 1", intval($dfrn_record));
            if (count($r) && $r[0]['notify-flags'] & NOTIFY_CONFIRM) {
                $tpl = file_get_contents('view/intro_complete_eml.tpl');
//.........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
}

//.........这里部分代码省略.........
    $noscrape = $site_health && $site_health['no_scrape_url'];
    if ($noscrape) {
        //Find out who to look up.
        $which = str_replace($site_health['base_url'], '', $url);
        $noscrape = preg_match('~/profile/([^/]+)~', $which, $matches) === 1;
        //If that did not fail...
        if ($noscrape) {
            $parms = noscrape_dfrn($site_health['no_scrape_url'] . '/' . $matches[1]);
            $noscrape = !!$parms;
            //If the result was false, do a scrape after all.
        }
    }
    if (!$noscrape) {
        $parms = scrape_dfrn($url);
    }
    //Empty result is due to an offline site.
    if (!count($parms)) {
        //For large sites this could lower the health too quickly, so don't track health.
        //But for sites that are already in bad status. Do a cleanup now.
        if ($profile_exists && $site_health['health_score'] < $a->config['maintenance']['remove_profile_health_threshold']) {
            logger('Nuked bad health record.');
            nuke_record($url);
        }
        return false;
    } elseif ($parms['explicit-hide'] && $profile_exists) {
        logger('User opted out of the directory.');
        nuke_record($url);
        return true;
        //This is a good update.
    } elseif (validate_dfrn($parms)) {
        return false;
    }
    if (x($parms, 'hide') || !x($parms, 'fn') && x($parms, 'photo')) {
        if ($profile_exists) {
            nuke_record($url);
        }
        return true;
        //This is a good update.
    }
    $photo = $parms['photo'];
    dbesc_array($parms);
    if (x($parms, 'comm')) {
        $parms['comm'] = intval($parms['comm']);
    }
    if ($profile_exists) {
        $r = q("UPDATE `profile` SET \n\t\t\t`name` = '%s', \n\t\t\t`pdesc` = '%s',\n\t\t\t`locality` = '%s', \n\t\t\t`region` = '%s', \n\t\t\t`postal-code` = '%s', \n\t\t\t`country-name` = '%s', \n\t\t\t`gender` = '%s', \n\t\t\t`marital` = '%s', \n\t\t\t`homepage` = '%s',\n\t\t\t`nurl` = '%s',\n\t\t\t`comm` = %d,\n\t\t\t`tags` = '%s',\n\t\t\t`updated` = '%s' \n\t\t\tWHERE `id` = %d LIMIT 1", $parms['fn'], $parms['pdesc'], $parms['locality'], $parms['region'], $parms['postal-code'], $parms['country-name'], $parms['gender'], $parms['marital'], dbesc($url), dbesc($nurl), intval($parms['comm']), $parms['tags'], dbesc(datetime_convert()), intval($profile_id));
        logger('Update returns: ' . $r);
    } else {
        $r = q("INSERT INTO `profile` ( `name`, `pdesc`, `locality`, `region`, `postal-code`, `country-name`, `gender`, `marital`, `homepage`, `nurl`, `comm`, `tags`, `created`, `updated` )\n\t\t\tVALUES ( '%s', '%s', '%s', '%s' , '%s', '%s', '%s', '%s', '%s', '%s', %d, '%s', '%s', '%s' )", $parms['fn'], $parms['pdesc'], $parms['locality'], $parms['region'], $parms['postal-code'], $parms['country-name'], $parms['gender'], $parms['marital'], dbesc($url), dbesc($nurl), intval($parms['comm']), $parms['tags'], dbesc(datetime_convert()), dbesc(datetime_convert()));
        logger('Insert returns: ' . $r);
        $r = q("SELECT `id` FROM `profile` WHERE ( `homepage` = '%s' or `nurl` = '%s' ) order by id asc", dbesc($url), dbesc($nurl));
        if (count($r)) {
            $profile_id = $r[count($r) - 1]['id'];
        }
        if (count($r) > 1) {
            q("DELETE FROM `photo` WHERE `profile-id` = %d LIMIT 1", intval($r[0]['id']));
            q("DELETE FROM `profile` WHERE `id` = %d LIMIT 1", intval($r[0]['id']));
        }
    }
    if ($parms['tags']) {
        $arr = explode(' ', $parms['tags']);
        if (count($arr)) {
            foreach ($arr as $t) {
                $t = strip_tags(trim($t));
                $t = substr($t, 0, 254);
                if (strlen($t)) {
                    $r = q("SELECT `id` FROM `tag` WHERE `term` = '%s' and `nurl` = '%s' LIMIT 1", dbesc($t), dbesc($nurl));
                    if (!count($r)) {
                        $r = q("INSERT INTO `tag` (`term`, `nurl`) VALUES ('%s', '%s') ", dbesc($t), dbesc($nurl));
                    }
                }
            }
        }
    }
    $submit_photo_start = microtime(true);
    require_once "Photo.php";
    $photo_failure = false;
    $status = false;
    if ($profile_id) {
        $img_str = fetch_url($photo, true);
        $img = new Photo($img_str);
        if ($img) {
            $img->scaleImageSquare(80);
            $r = $img->store($profile_id);
        }
        $r = q("UPDATE `profile` SET `photo` = '%s' WHERE `id` = %d LIMIT 1", dbesc($a->get_baseurl() . '/photo/' . $profile_id . '.jpg'), intval($profile_id));
        $status = true;
    } else {
        nuke_record($url);
        return false;
    }
    $submit_end = microtime(true);
    $photo_time = round(($submit_end - $submit_photo_start) * 1000);
    $time = round(($submit_end - $submit_start) * 1000);
    //Record the scrape speed in a scrapes table.
    if ($site_health && $status) {
        q("INSERT INTO `site-scrape` (`site_health_id`, `dt_performed`, `request_time`, `scrape_time`, `photo_time`, `total_time`)" . "VALUES (%u, NOW(), %u, %u, %u, %u)", $site_health['id'], $parms['_timings']['fetch'], $parms['_timings']['scrape'], $photo_time, $time);
    }
    return $status;
}

//.........这里部分代码省略.........
            $data = file_get_contents($default);
            $mimetype = 'image/jpeg';
        }
    } else {
        /**
         * Other photos
         */
        $resolution = 0;
        foreach (Photo::supportedTypes() as $m => $e) {
            $photo = str_replace(".{$e}", '', $photo);
        }
        if (substr($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));
            $public = $r[0]['allow_cid'] == '' and $r[0]['allow_gid'] == '' and $r[0]['deny_cid'] == '' and $r[0]['deny_gid'] == '';
            if (count($r)) {
                $data = $r[0]['data'];
                $mimetype = $r[0]['type'];
            } 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');
                    $mimetype = 'image/jpeg';
                    $prvcachecontrol = true;
                }
            }
        }
    }
    if (!isset($data)) {
        if (isset($resolution)) {
            switch ($resolution) {
                case 4:
                    $data = file_get_contents('images/person-175.jpg');
                    $mimetype = 'image/jpeg';
                    break;
                case 5:
                    $data = file_get_contents('images/person-80.jpg');
                    $mimetype = 'image/jpeg';
                    break;
                case 6:
                    $data = file_get_contents('images/person-48.jpg');
                    $mimetype = 'image/jpeg';
                    break;
                default:
                    killme();
                    // NOTREACHED
                    break;
            }
        }
    }
    // Resize only if its not a GIF
    if ($mime != "image/gif") {
        $ph = new Photo($data, $mimetype);
        if ($ph->is_valid()) {
            if (isset($customres) && $customres > 0 && $customres < 500) {
                $ph->scaleImageSquare($customres);
            }
            $data = $ph->imageString();
            $mimetype = $ph->getType();
        }
    }
    if (function_exists('header_remove')) {
        header_remove('Pragma');
        header_remove('pragma');
    }
    header("Content-type: " . $mimetype);
    if ($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("Last-Modified: " . gmdate("D, d M Y H:i:s", time()) . " GMT");
        header('Etag: "' . md5($data) . '"');
        header("Expires: " . gmdate("D, d M Y H:i:s", time() + 31536000) . " GMT");
        header("Cache-Control: max-age=31536000");
    }
    echo $data;
    // If the photo is public and there is an existing photo directory store the photo there
    if ($public and $file != "") {
        if (is_dir($_SERVER["DOCUMENT_ROOT"] . "/photo")) {
            file_put_contents($_SERVER["DOCUMENT_ROOT"] . "/photo/" . $file, $data);
        }
    }
    killme();
    // NOTREACHED
}