function advagg_relocate_get_remote_font_data

Gets external CSS files; caches it and returns css font rules.

Paramètres

string $url: URL of the CSS file to import.

array $aggregate_settings: Array of settings.

Return value

array Array of font data.

2 calls to advagg_relocate_get_remote_font_data()

advagg_relocate_css_alter dans advagg_relocate/advagg_relocate.module

Implements hook_css_alter().

_advagg_relocate_callback dans advagg_relocate/advagg_relocate.advagg.inc

Gets external CSS files and puts the contents of it in the aggregate.

Fichier

advagg_relocate/advagg_relocate.advagg.inc, line 691

Code

function advagg_relocate_get_remote_font_data($url, array $aggregate_settings) {
    // Set default settings if needed.
    $font_type_defaults = array(
        'woff2' => 'woff2',
        'woff' => 'woff',
        'ttf' => 'ttf',
    );
    if (!isset($aggregate_settings['variables']['advagg_relocate_css_inline_import_browsers'])) {
        $aggregate_settings['variables']['advagg_relocate_css_inline_import_browsers'] = variable_get('advagg_relocate_css_inline_import_browsers', $font_type_defaults);
    }
    // Make sure advagg_relocate_css_inline_import_browsers is an array.
    if (!is_array($aggregate_settings['variables']['advagg_relocate_css_inline_import_browsers'])) {
        $aggregate_settings['variables']['advagg_relocate_css_inline_import_browsers'] = array(
            $aggregate_settings['variables']['advagg_relocate_css_inline_import_browsers'] => $aggregate_settings['variables']['advagg_relocate_css_inline_import_browsers'],
        );
    }
    // Use defaults if no matches for known font types.
    if (!isset($aggregate_settings['variables']['advagg_relocate_css_inline_import_browsers']['woff2']) && !isset($aggregate_settings['variables']['advagg_relocate_css_inline_import_browsers']['woff']) && !isset($aggregate_settings['variables']['advagg_relocate_css_inline_import_browsers']['ttf']) && !isset($aggregate_settings['variables']['advagg_relocate_css_inline_import_browsers']['eot']) && !isset($aggregate_settings['variables']['advagg_relocate_css_inline_import_browsers']['svg'])) {
        $aggregate_settings['variables']['advagg_relocate_css_inline_import_browsers'] += $font_type_defaults;
    }
    // Set arguments for drupal_http_request().
    $options = array(
        'headers' => array(
            'Accept-Encoding' => 'gzip, deflate',
            'Connection' => 'close',
            'Referer' => $GLOBALS['base_root'] . request_uri(),
        ),
        'timeout' => 8,
        'version' => '1.0',
    );
    if (function_exists('brotli_uncompress')) {
        $options['headers']['Accept-Encoding'] .= ', br';
    }
    // If protocol relative, force https.
    if (strpos($url, '//') === 0) {
        $url = advagg_force_https_path($url);
    }
    // Build CID.
    $aggregate_settings['variables']['advagg_relocate_css_inline_import_browsers'] = array_filter($aggregate_settings['variables']['advagg_relocate_css_inline_import_browsers']);
    $fonts = implode(',', $aggregate_settings['variables']['advagg_relocate_css_inline_import_browsers']);
    $cid = "advagg_relocate_css_inline_import:{$fonts}:{$url}";
    // Try local cache.
    $cached_data = cache_get($cid, 'cache_advagg_info');
    if (!empty($cached_data->data[0])) {
        if ($cached_data->expire >= REQUEST_TIME) {
            return $cached_data->data[0];
        }
        else {
            // Set header for 304 response.
            // $options['headers']['If-None-Match'] = $response->headers['etag'];.
            $options['headers']['If-Modified-Since'] = gmdate('D, d M Y H:i:s T', $cached_data->created);
        }
    }
    // Get external data.
    $responses = array();
    if (module_exists('httprl')) {
        // Get ttf.
        if (!empty($aggregate_settings['variables']['advagg_relocate_css_inline_import_browsers']['ttf'])) {
            $options['#font-type'] = 'ttf';
            httprl_request($url . '#ttf', $options);
        }
        // Get eot.
        if (!empty($aggregate_settings['variables']['advagg_relocate_css_inline_import_browsers']['eot'])) {
            $options['#font-type'] = 'eot';
            $options['headers']['User-Agent'] = 'Mozilla/5.0 (Windows; U; MSIE 7.0; Windows NT 6.0; en-US)';
            httprl_request($url . '#eot', $options);
        }
        // Get svg.
        if (!empty($aggregate_settings['variables']['advagg_relocate_css_inline_import_browsers']['svg'])) {
            $options['#font-type'] = 'svg';
            $options['headers']['User-Agent'] = 'Mozilla/5.0 (iPad; U; CPU OS 3_2_2 like Mac OS X; nl-nl) AppleWebKit/531.21.10 (KHTML, like Gecko) Version/4.0.4 Mobile/7B500 Safari/531.21.10';
            httprl_request($url . '#svg', $options);
        }
        // Get woff.
        if (!empty($aggregate_settings['variables']['advagg_relocate_css_inline_import_browsers']['woff'])) {
            $options['#font-type'] = 'woff';
            $options['headers']['User-Agent'] = 'Mozilla/5.0 (Windows; U; MSIE 9.0; Windows NT 9.0; en-US)';
            httprl_request($url . '#woff', $options);
        }
        // Get woff2.
        if (!empty($aggregate_settings['variables']['advagg_relocate_css_inline_import_browsers']['woff2'])) {
            $options['#font-type'] = 'woff2';
            $options['headers']['User-Agent'] = 'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:40.0) Gecko/20100101 Firefox/40.1';
            httprl_request($url . '#woff2', $options);
        }
        $responses = httprl_send_request();
    }
    if (empty($responses)) {
        // Get ttf.
        if (!empty($aggregate_settings['variables']['advagg_relocate_css_inline_import_browsers']['ttf'])) {
            $options['#font-type'] = 'ttf';
            $responses['ttf'] = drupal_http_request($url . '#ttf', $options);
            if (!isset($responses['ttf']->options)) {
                $responses['ttf']->options = $options;
            }
            if (!isset($responses[$url]->url)) {
                $responses['ttf']->url = $url . '#ttf';
            }
        }
        // Get eot.
        if (!empty($aggregate_settings['variables']['advagg_relocate_css_inline_import_browsers']['eot'])) {
            $options['#font-type'] = 'eot';
            $options['headers']['User-Agent'] = 'Mozilla/5.0 (Windows; U; MSIE 7.0; Windows NT 6.0; en-US)';
            $responses['eot'] = drupal_http_request($url . '#eot', $options);
            if (!isset($responses['eot']->options)) {
                $responses['eot']->options = $options;
            }
            if (!isset($responses[$url]->url)) {
                $responses['eot']->url = $url . '#eot';
            }
        }
        // Get svg.
        if (!empty($aggregate_settings['variables']['advagg_relocate_css_inline_import_browsers']['svg'])) {
            $options['#font-type'] = 'svg';
            $options['headers']['User-Agent'] = 'Mozilla/5.0 (iPad; U; CPU OS 3_2_2 like Mac OS X; nl-nl) AppleWebKit/531.21.10 (KHTML, like Gecko) Version/4.0.4 Mobile/7B500 Safari/531.21.10';
            $responses['svg'] = drupal_http_request($url . '#svg', $options);
            if (!isset($responses['svg']->options)) {
                $responses['svg']->options = $options;
            }
            if (!isset($responses[$url]->url)) {
                $responses['svg']->url = $url . '#svg';
            }
        }
        // Get woff.
        if (!empty($aggregate_settings['variables']['advagg_relocate_css_inline_import_browsers']['woff'])) {
            $options['#font-type'] = 'woff';
            $options['headers']['User-Agent'] = 'Mozilla/5.0 (Windows; U; MSIE 9.0; Windows NT 9.0; en-US)';
            $responses['woff'] = drupal_http_request($url . '#woff', $options);
            if (!isset($responses['woff']->options)) {
                $responses['woff']->options = $options;
            }
            if (!isset($responses[$url]->url)) {
                $responses['woff']->url = $url . '#woff';
            }
        }
        // Get woff2.
        if (!empty($aggregate_settings['variables']['advagg_relocate_css_inline_import_browsers']['woff2'])) {
            $options['#font-type'] = 'woff2';
            $options['headers']['User-Agent'] = 'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:40.0) Gecko/20100101 Firefox/40.1';
            $responses['woff2'] = drupal_http_request($url . '#woff2', $options);
            if (!isset($responses['woff2']->options)) {
                $responses['woff2']->options = $options;
            }
            if (!isset($responses[$url]->url)) {
                $responses['woff2']->url = $url . '#woff2';
            }
        }
    }
    // Try failures again.
    advagg_relocate_try_failures_again($responses);
    // Parse data.
    $font_faces = array();
    $ttl = 0;
    foreach ($responses as $key => $response) {
        if ($response->code == 304 && !empty($cached_data->data[0])) {
            // This might need to be better handled in the future.
            return $cached_data->data[0];
        }
        // Set the font type if not set.
        if (empty($response->options['#font-type'])) {
            if (!is_numeric($key)) {
                $response->options['#font-type'] = $key;
            }
            else {
                continue;
            }
        }
        if ($response->code != 200 && $response->code != 201 && $response->code != 202 && $response->code != 206) {
            return array();
        }
        if (empty($response->data)) {
            return array();
        }
        advagg_relocate_process_http_request($response, 'font');
        $ttl = max($ttl, $response->ttl);
        // Parse the CSS.
        $font_face = advagg_relocate_parse_css_font_face($response->data, array(
            'font-family',
            'font-style',
            'font-weight',
            'src',
        ), $response->options['#font-type']);
        // Format into a better data structure and combine.
        foreach ($font_face as $k => $values) {
            if (!isset($font_faces[$k])) {
                $font_faces[$k] = $font_face[$k];
                continue;
            }
            foreach ($values as $index => $value) {
                if (!in_array($value, $font_faces[$k])) {
                    if ($index === $response->options['#font-type']) {
                        $font_faces[$k][$index] = $values[$index];
                    }
                    else {
                        $font_faces[$k][] = $values[$index];
                    }
                }
            }
        }
    }
    // Save data to the cache.
    if (!empty($font_faces)) {
        cache_set($cid, array(
            $font_faces,
            $responses,
        ), 'cache_advagg_info', REQUEST_TIME + $ttl);
    }
    return $font_faces;
}