leed-adblock/marigolds/adblock.plugin.disabled.php

<?php
/*
@name Adblock
@author Phyks <phyks@phyks.me>
@link http://www.phyks.me
@licence BEERWARE (See README.md file)
@version 2.2.0
@description The adblock plugin for leed allows to block embedded flash contents and / or images in feeds. You can set it fine-grained for each feed. You can also disable images only for mobile devices.
 */

function adblock_isMobileDevice() {
    return preg_match("/(android|avantgo|blackberry|bolt|boost|cricket|docomo|fone|hiptop|mini|mobi|palm|phone|pie|tablet|up\.browser|up\.link|webos|wos)/i", $_SERVER["HTTP_USER_AGENT"]);
}

function adblock_trim_list($input) {
    $output = array();

    foreach($input as $key=>$value) {
        $output[$key] = trim($value, "\t\n\r\0\x0B,\"");
    }
    return $output;
}

function adblock_plugin_treat_events(&$events) {
    //Set params
    $configurationManager = new Configuration();
    $partial = $configurationManager->get('articleView') == "partial";

    $adblock_constants = file_get_contents("adblock_constants.php");
    $adblock_constants = explode("\n", $adblock_constants);

    $adblock_params = array();
    foreach($adblock_constants as $adblock_constant) {
        if(trim($adblock_constant) != "") {
            $adblock_constant = explode("=", $adblock_constant);
            $adblock_params[trim($adblock_constant[0])] = trim($adblock_constant[1]);
        }
    }

    if(isset($adblock_params["flash_enabled"]) && $adblock_params["flash_enabled"] == "1") {
        $filter_flash = true;
        if(isset($adblock_params["flash_block"]) && $adblock_params["flash_block"] == "1") {
           $block_flash = true;
        }
        else {
            $block_flash = false;
        }
    }
    else {
        $filter_flash = false;
    }
    $flash_except_list = explode(',', trim($adblock_params["flash_list"], "\t\n\r\0\x0B,"));
    $flash_except_list = adblock_trim_list($flash_except_list);

    if(isset($adblock_params["img_enabled"]) && $adblock_params["img_enabled"] == "1") {
        $filter_img = true;
        if(isset($adblock_params["img_block"]) && $adblock_params["img_block"] == "1") {
            $block_img = true;
        }
        else {
            $block_img = false;
        }

        if(isset($adblock_params["img_only_mobiles"]) && $adblock_params["img_only_mobiles"] == "1" && !adblock_isMobileDevice()) { //If filter only on mobile devices and not a mobile device
            $filter_img = false;
        }
    }
    else {
        $filter_img = false;
    }
    $img_except_list = explode(',', trim($adblock_params["img_list"], "\t\n\r\0\x0B,"));
    $img_except_list = adblock_trim_list($img_except_list);

    $elegant_degradation = (isset($adblock_params["elegant_degradation"]) && $adblock_params["elegant_degradation"] == "1") ? true : false;

    foreach($events as $event) {
        $filtered_content = ($partial) ? $event->getDescription : $event->getContent();
        $modified = false;

        // Flash handling
        if($filter_flash) {
            if(($block_flash && !in_array($event->getFeed(), $flash_except_list)) || (!$block_flash && in_array($event->getFeed(), $flash_except_list))) {
                //Replace flash content
                preg_match_all("#<iframe.{0,}/(iframe)?>#U", $filtered_content, $object_list_in_event, PREG_SET_ORDER);

                foreach($object_list_in_event as $object) {
                    if(!$elegant_degradation) {
                        $replacement_content = '
                            <span class="blocked_flash" onclick="return adblock_unblock_flash(this, \''.htmlspecialchars($object[0]).'\');">X</span>
                            ';
                        $filtered_content = str_replace($object[0], $replacement_content, $filtered_content);
                    }
                    else {
                        preg_match("#width=[\"']([0-9]{1,})[\"']#U", $object[0], $width);
                        preg_match("#height=[\"']([0-9]{1,})[\"']#U", $object[0], $height);
                        $font_size = min($width[1], $height[1]);

                        $replacement_content = '
                                <span class="blocked_flash" '.((!empty($width[1]) && !empty($height[1])) ? 'style="width: '.$width[1].'px; height: '.$height[1].'px; padding: 0; padding-top: '.((int) $font_size) / 2 .'px; box-sizing: border-box; -moz-box-sizing: border-box; -webkit-box-sizing: border-box; font-size: '.$font_size.'px;"' : '').' onclick="return adblock_unblock_flash(this, \''.htmlspecialchars($object[0]).'\');">X</span>
                            ';
                        $filtered_content = str_replace($object[0], $replacement_content, $filtered_content);
                    }
                }

                $modified = true;
            }
        }

        // Images handling
        if($filter_img) {
            if(($block_img && !in_array($event->getFeed(), $img_except_list)) || (!$block_img && in_array($event->getFeed(), $img_except_list))) {
                //Replace images
                preg_match_all("#<img.{0,}src=[\"'](.{1,})[\"'].{0,}/?(img)?>#U", $filtered_content, $img_list_in_event, PREG_SET_ORDER);

                foreach($img_list_in_event as $img) {
                    if(!$elegant_degradation) {
                        $replacement_content = '
                                <span class="blocked_image" onclick="return adblock_unblock_img(this, \''.urlencode($img[1]).'\');">X</span>
                            ';
                        $filtered_content = str_replace($img[0], $replacement_content, $filtered_content);
                    }
                    else {
                        $content_size = getimagesize($img[1]); //Index 0 is width, index 1 is height
                        $font_size = min($content_size[0], $content_size[1]);
                        $replacement_content = '
                                <span class="blocked_image" style="width:'.(int) $content_size[0].'px; height:'.(int) $content_size[1].'px; padding:0; padding-top: '.((int) $font_size) / 2 .'px; box-sizing: border-box; -moz-box-sizing: border-box; -webkit-box-sizing: border-box; font-size: '.$font_size.'px;" onclick="return adblock_unblock_img(this, \''.urlencode($img[1]).'\'):">X</span>
                            ';
                        $filtered_content = str_replace($img[0], $replacement_content, $filtered_content);
                    }
                }

                $modified = true;
            }
        }

        if($modified) {
            if($partial)
                $event->setDescription($filtered_content);
            else
                $event->setContent($filtered_content);
        }
    }
}

function adblock_plugin_setting_link(&$myUser) {
    $myUser = (isset($_SESSION['currentUser'])?unserialize($_SESSION['currentUser']):false);
    if($myUser!=false) {
        echo '
            <li><a class="toggle" href="#adblockSettingsBloc">'._t('P_ADBLOCK_TITLE').'</a></li>';
    }
}

function adblock_plugin_setting_bloc(&$myUser) {
    $myUser = (isset($_SESSION['currentUser'])?unserialize($_SESSION['currentUser']):false);
    if($myUser!=false) {
        $adblock_constants = file_get_contents('adblock_constants.php');
        $adblock_constants = explode("\n", $adblock_constants);

        $adblock_params = array();
        foreach($adblock_constants as $adblock_constant) {
            if(trim($adblock_constant) != "") {
                $adblock_constant = explode("=", $adblock_constant);
                $adblock_params[trim($adblock_constant[0])] = trim($adblock_constant[1]);
            }
        }


        $flash_enabled = (isset($adblock_params["flash_enabled"]) && $adblock_params["flash_enabled"] == "1") ? true : false;
        $flash_block = (isset($adblock_params["flash_block"]) && $adblock_params["flash_block"] == "1") ? true : false;
        if(isset($adblock_params["flash_list"]))
            $flash_list = str_replace(",", "\n", trim($adblock_params["flash_list"], "\t\n\r\0\x0B,"));
        else
            $flash_list = "";
        $img_enabled = (isset($adblock_params["img_enabled"]) && $adblock_params["img_enabled"] == "1") ? true : false;
        $img_only_mobiles = (isset($adblock_params["img_only_mobiles"]) && $adblock_params["img_only_mobiles"] == 1) ? true : false;
        $img_block = (isset($adblock_params["img_block"]) && $adblock_params["img_block"] == "1") ? true : false;
        if(isset($adblock_params["img_list"]))
            $img_list = str_replace(",", "\n", trim($adblock_params["img_list"], "\t\n\r\0\x0B,"));
        else
            $img_list = "";

        $elegant_degradation = (isset($adblock_params["elegant_degradation"]) && $adblock_params["elegant_degradation"] == "1") ? true : false;

        $getimagesize_available = function_exists("getimagesize") && ((ini_get("allow_url_fopen") == "1") ? true : false);

            echo '
                <section id="adblockSettingsBloc" class="adblockSettingsBloc">
                    <h2>'._t('P_ADBLOCK_H2_TITLE').'</h2>
                    <p>'._t('P_ADBLOCK_NOTE').'</p>
                    <form action="action.php?action=adblock_update" method="POST">
                        <fieldset>
                            <div class="flash_adblockSettingsBlock">
                                <h3>'._t('P_ADBLOCK_OPT_FLASH_TITLE').'</h3>
                                <p>
                                    '._t('P_ADBLOCK_OPT_FLASH').'<br/>
                                    <input type="radio" name="flash_adblock_enable" value="1" id="flash_adblock_block_enabled" '.(($flash_enabled) ? 'checked="checked"' : '').'/><label for="flash_adblock_block_enabled">'._t('P_ADBLOCK_OPT_ENABLED').'</label><br/>
                                    <input type="radio" name="flash_adblock_enable" value="0" id="flash_adblock_block_disable" '.((!$flash_enabled) ? 'checked="checked"' : '').'/> <label for="flash_adblock_block_disable">'._t('P_ADBLOCK_OPT_DISABLED').'</label>
                                </p>

                                <p>'._t('P_ADBLOCK_DEFAULT_BEHAVIOR').'<br/>
                                    <input type="radio" name="flash_adblock_default_behavior" value="1" id="flash_adblock_blockall" onchange="adblock_whitelist_blacklist(\'adblock_flash_whitelist_blacklist\', 1);" '.(($flash_block) ? 'checked="checked"' : '').'/><label for="flash_adblock_blockall">'._t('P_ADBLOCK_DEFAULT_BEHAVIOR_BLOCK').'</label><br/>
                                    <input type="radio" name="flash_adblock_default_behavior" value="0" id="flash_adblock_allowall" onchange="adblock_whitelist_blacklist(\'adblock_flash_whitelist_blacklist\', 0);" '.((!$flash_block) ? 'checked="checked"' : '').'/><label for="flash_adblock_allowall">'._t('P_ADBLOCK_DEFAULT_BEHAVIOR_ALLOW').'</label>
                                </p>

                                <p><span id="adblock_flash_whitelist_blacklist">'.(($flash_block) ? _t('P_ADBLOCK_WHITELIST') : _t('P_ADBLOCK_BLACKLIST')).'</span></p>
                                <textarea name="flash_adblock_list" rows="7">'.$flash_list.'</textarea>
                            </div>
                        </fieldset>

                        <fieldset>
                            <div class="img_adblockSettingsBlock">
                                <h3>'._t('P_ADBLOCK_OPT_IMAGES_TITLE').'</h3>
                                <p>
                                    '._t('P_ADBLOCK_OPT_IMAGES').'<br/>
                                    <input type="radio" name="img_adblock_enable" value="1" id="img_adblock_block_enabled" '.(($img_enabled) ? 'checked="checked"' : '').'/><label for="img_adblock_block_enabled">'._t('P_ADBLOCK_OPT_ENABLED').'</label><br/>
                                    <input type="radio" name="img_adblock_enable" value="0" id="img_adblock_block_disable" '.((!$img_enabled) ? 'checked="checked"' : '').'/><label for="img_adblock_block_disable">'._t('P_ADBLOCK_OPT_DISABLED').'</label>
                                </p>

                                <p>'._t('P_ADBLOCK_DEFAULT_BEHAVIOR').'<br/>
                                    <input type="radio" name="img_adblock_default_behavior" value="1" id="img_adblock_blockall" onchange="adblock_whitelist_blacklist(\'adblock_img_whitelist_blacklist\', 1);" '.(($img_block) ? 'checked="checked"' : '').'/><label for="img_adblock_blockall">'._t('P_ADBLOCK_DEFAULT_BEHAVIOR_BLOCK').'</label><br/>
                                    <input type="radio" name="img_adblock_default_behavior" value="0" id="img_adblock_allowall" onchange="adblock_whitelist_blacklist(\'adblock_img_whitelist_blacklist\', 0);" '.((!$img_block) ? 'checked="checked"' : '').'/><label for="img_adblock_allowall">'._t('P_ADBLOCK_DEFAULT_BEHAVIOR_ALLOW').'</label>
                                </p>

                                <p>'._t('P_ADBLOCK_OPT_IMAGES_MOBILE').'<br/>
                                    <input type="radio" name="img_adblock_only_mobiles" value="1" id="img_adblock_only_mobiles_yes" '.(($img_only_mobiles) ? 'checked="checked"' : '').'/><label for="img_adblock_only_mobiles_yes">'._t('P_ADBLOCK_OPT_IMAGES_BLOCK_MOBILE').'</label><br/>
                                    <input type="radio" name="img_adblock_only_mobiles" value="0" id="img_adblock_only_mobiles_no" '.((!$img_only_mobiles) ? 'checked="checked"' : '').'/><label for="img_adblock_only_mobiles_no">'._t('P_ADBLOCK_OPT_IMAGES_BLOCK_ALL').'</label>
                                </p>

                                <p><span id="adblock_img_whitelist_blacklist">'.(($img_block) ? _t('P_ADBLOCK_WHITELIST') : _t('P_ADBLOCK_BLACKLIST')).'</span></p>
                                <textarea name="img_adblock_list" rows="7">'.$img_list.'</textarea>
                            </div>
                        </fieldset>
                        <p>
                            '._t('P_ADBLOCK_OPT_DEGRADATION').'<br/>
                            <input type="radio" name="adblock_elegant_degradation" value="1" id="adblock_elegant_degradation_yes" '.(($elegant_degradation) ? 'checked="checked"' : '').' '.((!$getimagesize_available) ? 'disabled' : '').'/><label for="adblock_elegant_degradation_yes">'._t('P_ADBLOCK_YES').'</label>'.((!$getimagesize_available) ? _t('P_ADBLOCK_OPT_DEGR_MSG') : '').'<br/>
                            <input type="radio" name="adblock_elegant_degradation" value="0" id="adblock_elegant_degradation_no" '.((!$elegant_degradation) ? 'checked="checked"' : '').'/><label for="adblock_elegant_degradation_no">'._t('P_ADBLOCK_NO').'</label>
                        </p>
                        <p id="adblock_settings_submit">
                            <input type="submit" class="button" value="'._t('P_ADBLOCK_SAVE').'"/>
                        </p>
                    </form>
                </section>';
    }
}

function adblock_plugin_setting_update($_) {
    $myUser = (isset($_SESSION['currentUser'])?unserialize($_SESSION['currentUser']):false);
    if($myUser!=false) {
        if($_['action'] == 'adblock_update') {
            $flash_enabled = (int) $_['flash_adblock_enable'];
            $flash_block = (int) $_['flash_adblock_default_behavior'];
            $flash_list = str_replace("\r\n", ",", trim($_["flash_adblock_list"]));
            $flash_list = str_replace("\n", ",", trim($flash_list));

            $img_enabled = (int) $_['img_adblock_enable'];
            $img_block = (int) $_['img_adblock_default_behavior'];
            $img_only_mobiles = (int) $_["img_adblock_only_mobiles"];
            $img_list = str_replace("\r\n", ",", trim($_["img_adblock_list"]));
            $img_list = str_replace("\n", ",", trim($img_list));

            $elegant_degradation = (int) $_["adblock_elegant_degradation"];

            if(file_put_contents("adblock_constants.php", "flash_enabled = ".$flash_enabled."\nflash_block = ".$flash_block."\nflash_list = ".$flash_list."\nimg_enabled = ".$img_enabled."\nimg_block = ".$img_block."\nimg_only_mobiles = ".$img_only_mobiles."\nimg_list = ".$img_list."\nelegant_degradation = ".$elegant_degradation))
                header('location: settings.php');
            else
                exit(_t('P_ADBLOCK_ERR_WRITE'));
        }
    }
}

Plugin::addCSS("/css/adblock_plugin_css.css");
Plugin::addJS("/js/adblock_plugin_js.js");

Plugin::addHook("index_post_treatment", "adblock_plugin_treat_events");

Plugin::addHook("setting_post_link", "adblock_plugin_setting_link");
Plugin::addHook("setting_post_section", "adblock_plugin_setting_bloc");
Plugin::addHook("action_post_case", "adblock_plugin_setting_update");
?>