organized search types , rewrote how results are parsed , made the code cleaner

api.php

@@ -1,13 +1,13 @@
 <?php
     header('Content-Type: application/json');
     
-    require "fetch.php";
+    require "google.php";
 
     $query = $_REQUEST["q"];
     $page = (int) $_REQUEST["p"] * 10;
-    $type = $_REQUEST["img_search"] == "true" ? true : false;
+    $type = (int) $_REQUEST["type"];
 
-    $results = fetch_results($query, $page, $type);
+    $results = get_google_results($query, $page, $type);
 
     echo json_encode($results, true);
 ?>

config.php

@@ -9,20 +9,31 @@
     $config_google_language = "en";
 
     /*
-        Format: "ip:port"
+        To send requests trough a proxy uncomment CURLOPT_PROXY and CURLOPT_PROXYTYPE:
-        
-        For a TOR connection you would use these settings:
-        $config_proxy = "127.0.0.1:9050";
-        $config_proxy_type = 5;
-    */
-    $config_proxy = null;
 
-    /* 
+        CURLOPT_PROXYTYPE options:
-        1 -> HTTP
+
-        2 -> SOCKS4
+            CURLPROXY_HTTP
-        3 -> SOCKS4a (resolves URL hostname)
+            CURLPROXY_SOCKS4
-        4 -> SOCKS5
+            CURLPROXY_SOCKS4A
-        5 -> SOCKS5 (resolves URL hostname)
+            CURLPROXY_SOCKS5
+            CURLPROXY_SOCKS5_HOSTNAME
+
+        As an example, for a TOR connection you would use these settings:
+        CURLOPT_PROXY => "127.0.0.1:9050",
+        CURLOPT_PROXYTYPE => CURLPROXY_SOCKS5,
+
+        !!! ONLY CHANGE THE OTHER OPTIONS IF YOU KNOW WHAT YOU ARE DOING !!!
     */
-    $config_proxy_type = 1;
+    $config_curl_settings = array(
+        // CURLOPT_PROXY => "ip:port",
+        // CURLOPT_PROXYTYPE => CURLPROXY_HTTP,
+        CURLOPT_RETURNTRANSFER => true,
+        CURLOPT_HEADER         => false,
+        CURLOPT_FOLLOWLOCATION => false,
+        CURLOPT_ENCODING       => "",
+        CURLOPT_USERAGENT      => $config_user_agent,
+        CURLOPT_SSL_VERIFYHOST => 0,
+        CURLOPT_VERBOSE        => 1
+    );
 ?>

fetch.php

@@ -1,228 +0,0 @@
-<?php
-        require("config.php");
-
-        $proxy_type = null;
-        if ($config_proxy != null)
-        {
-            switch($config_proxy_type)
-            {
-                case 1:
-                    $proxy_type = CURLPROXY_HTTP;
-                    break;
-                case 2:
-                    $proxy_type = CURLPROXY_SOCKS4;
-                    break;
-                case 3:
-                    $proxy_type = CURLPROXY_SOCKS4A;
-                    break;
-                case 4:
-                    $proxy_type = CURLPROXY_SOCKS5;
-                    break;
-                case 5:
-                    $proxy_type = CURLPROXY_SOCKS5_HOSTNAME;
-                    break;
-                default:
-                    $proxy_type = CURLPROXY_HTTP;
-                    break;
-            }
-        }
-
-        $curl_settings = array(
-            CURLOPT_RETURNTRANSFER => true,
-            CURLOPT_HEADER         => false,
-            CURLOPT_FOLLOWLOCATION => false,
-            CURLOPT_ENCODING       => "",
-            CURLOPT_USERAGENT      => $config_user_agent,
-            CURLOPT_SSL_VERIFYHOST => 0,
-            CURLOPT_VERBOSE        => 1
-        );
-
-        function get_base_url($url)
-        {
-            $split_url = explode("/", $url);
-            $base_url = $split_url[0] . "//" . $split_url[2] . "/";
-            return $base_url;
-        }
-
-        function special_search($query) 
-        {
-            $query_lower = strtolower($query);
-
-            // Check for currency convesion
-            if (strpos($query_lower, "to"))
-                convert_currency($query);
-            
-            // Check for definition 
-            else if (strpos($query_lower, "mean"))
-                define_word($query);
-        }
-
-        function convert_currency($query)
-        {
-
-            global $curl_settings , $proxy_type , $config_proxy; 
-
-            $split_query = explode(" ", $query);
-
-            if (count($split_query) >= 4) 
-            {
-                $amount_to_convert =  floatval($split_query[0]);   
-
-                if ($amount_to_convert != 0) 
-                {
-                    $base_currency = strtoupper($split_query[1]);
-                    $currency_to_convert = strtoupper($split_query[3]);
-
-                    $ch = curl_init("https://cdn.moneyconvert.net/api/latest.json");
-                    if ($config_proxy != null)
-                    {
-                        curl_setopt($ch, CURLOPT_PROXY, $config_proxy);
-                        curl_setopt($ch, CURLOPT_PROXYTYPE, $proxy_type);
-                    }
-                    curl_setopt_array($ch, $curl_settings);
-                    $response = curl_exec($ch);
-                    $json_response = json_decode($response, true);
-                    
-                    $rates =  $json_response["rates"];
-
-                    if (array_key_exists($base_currency, $rates) && array_key_exists($currency_to_convert, $rates))
-                    {
-                        $base_currency_response = $rates[$base_currency];
-                        $currency_to_convert_response = $rates[$currency_to_convert];
-    
-                        $conversion_result = ($currency_to_convert_response / $base_currency_response) * $amount_to_convert;
-    
-                        echo "<p id=\"special-result\">";
-                        echo  "$amount_to_convert $base_currency = $conversion_result $currency_to_convert";
-                        echo "</p>";
-                    }                    
-                }
-            }
-        }
-
-        function define_word($query) 
-        {
-            global $curl_settings , $proxy_type , $config_proxy; 
-            
-            $split_query = explode(" ", $query);
-            
-            if (count($split_query) >= 2)
-            {
-                $reversed_split_q = array_reverse($split_query);
-                $word_to_define = $reversed_split_q[1];
-
-                $ch = curl_init("https://api.dictionaryapi.dev/api/v2/entries/en/$word_to_define");
-                if ($config_proxy != null)
-                {
-                    curl_setopt($ch, CURLOPT_PROXY, $config_proxy);
-                    curl_setopt($ch, CURLOPT_PROXYTYPE, $proxy_type);
-                }
-                curl_setopt_array($ch, $curl_settings);
-                $response = curl_exec($ch);
-                $json_response = json_decode($response, true);
-
-                if (!array_key_exists("title", $json_response))
-                {
-                    $definition = $json_response[0]["meanings"][0]["definitions"][0]["definition"];
-
-                    echo "<p id=\"special-result\">";
-                    echo "$word_to_define meaning<br/>";
-                    echo "<br/>" . $definition . "<br/>";
-                    echo "</p>";
-                }
-            }
-        }
-
-        function fetch_results($query, $page, $get_images=false) 
-        {
-
-            global $curl_settings , $proxy_type , $config_proxy; 
-
-            require "config.php";
-
-            $query_encoded =  urlencode($query);
-
-            $google = "https://www.google.$config_google_domain/search?&q=$query_encoded&start=$page&hl=$config_google_language";
-            if ($get_images)
-                $google .= "&tbm=isch";
-                
-            $ch = curl_init($google);
-
-            if ($config_proxy != null)
-            {
-                curl_setopt($ch, CURLOPT_PROXY, $config_proxy);
-                curl_setopt($ch, CURLOPT_PROXYTYPE, $proxy_type);
-            }
-            curl_setopt_array($ch, $curl_settings);
-
-            $response = curl_exec($ch);
-
-            $htmlDom = new DOMDocument;
-            @$htmlDom->loadHTML($response);
-            $xpath = new DOMXPath($htmlDom);
-            
-            $results = array();
-
-            if ($get_images)
-            {
-
-                $mh = curl_multi_init();
-                $chs = array();
-
-                foreach($xpath->query(".//following::img") as $image)
-                {       
-                        $alt = $image->getAttribute("alt");
-                        $src = $image->getAttribute("data-src");
-
-                        if (!empty($src) && !empty($alt)) 
-                        {
-                            $ch = curl_init($src);
-                            if ($config_proxy != null)
-                            {
-                                curl_setopt($ch, CURLOPT_PROXY, $config_proxy);
-                                curl_setopt($ch, CURLOPT_PROXYTYPE, $proxy_type);
-                            }
-                            curl_setopt_array($ch, $curl_settings);
-                            array_push($chs, $ch);
-                            curl_multi_add_handle($mh, $ch);
-                        }
-                }
-
-                $running = null;
-                do {
-                    curl_multi_exec($mh, $running);
-                } while ($running);
-
-                foreach($chs as $ch)
-                {
-                    $img_base64 = base64_encode(curl_multi_getcontent($ch));
-                    array_push($results, 
-                        array (
-                            "base64" => $img_base64,
-                            "alt" => $alt
-                        )
-                    );
-                }
-
-            } 
-            else
-            {
-                foreach($xpath->query("//div[contains(@class, 'yuRUbf')]") as $div)
-                {
-                    $title = $div->getElementsByTagName("h3")[0]->textContent;
-                    $url = $div->getElementsByTagName("a")[0]->getAttribute("href");
-                    $base_url =  get_base_url($url);
-
-                    array_push($results, 
-                        array (
-                            "title" => $title,
-                            "url" =>  $url,
-                            "base_url" => $base_url
-                        )
-                    );
-                }
-            } 
-
-            return $results;
-        }
-?>

google.php

@@ -0,0 +1,37 @@
+<?php
+        function get_google_results($query, $page, $type=0) 
+        {
+            require_once "config.php";
+            require_once "results/image.php";
+            require_once "results/text.php"; 
+
+            $query_encoded =  urlencode($query);
+
+            $google = "https://www.google.$config_google_domain/search?&q=$query_encoded&start=$page&hl=$config_google_language";
+            if ($type == 1)
+                $google .= "&tbm=isch";
+                
+            $ch = curl_init($google);
+            curl_setopt_array($ch, $config_curl_settings);
+            $response = curl_exec($ch);
+
+            if (curl_getinfo($ch, CURLINFO_HTTP_CODE) != 200)
+            {
+                echo "<p id=\"special-result\">";
+                echo "Google rejected the request! :C";
+                echo "</p>";
+                die();
+            }
+
+            $htmlDom = new DOMDocument;
+            @$htmlDom->loadHTML($response);
+            $xpath = new DOMXPath($htmlDom);
+
+            switch ($type)
+            {
+                case 0: return text_results($xpath); 
+                case 1: return image_results($xpath);
+                default: return text_results($xpath);
+            }
+        }
+?>

index.xhtml

@@ -14,8 +14,8 @@
                 <input type="text" name="q"/>
                 <input type="hidden" name="p" value="0"/>
                 <input type="submit" style="display:none"/> <br/>
-                <button name="type" value="text" type="submit">Search with LibreX</button>
+                <button name="type" value="0" type="submit">Search with LibreX</button>
-                <button name="type" value="img" type="submit">Search images with LibreX</button>
+                <button name="type" value="1" type="submit">Search images with LibreX</button>
         </form>
 
         <div class="info-container">

results/currency.php

@@ -0,0 +1,40 @@
+<?php
+
+
+    function currency_results($query)
+    {
+        require "config.php"; 
+        
+        $split_query = explode(" ", $query);
+
+        if (count($split_query) >= 4) 
+        {
+            $amount_to_convert = floatval($split_query[0]);   
+
+            if ($amount_to_convert != 0) 
+            {
+                $base_currency = strtoupper($split_query[1]);
+                $currency_to_convert = strtoupper($split_query[3]);
+
+                $ch = curl_init("https://cdn.moneyconvert.net/api/latest.json");
+                curl_setopt_array($ch, $config_curl_settings);
+                $response = curl_exec($ch);
+                $json_response = json_decode($response, true);
+                
+                $rates =  $json_response["rates"];
+
+                if (array_key_exists($base_currency, $rates) && array_key_exists($currency_to_convert, $rates))
+                {
+                    $base_currency_response = $rates[$base_currency];
+                    $currency_to_convert_response = $rates[$currency_to_convert];
+
+                    $conversion_result = ($currency_to_convert_response / $base_currency_response) * $amount_to_convert;
+
+                    echo "<p id=\"special-result\">";
+                    echo  "$amount_to_convert $base_currency = $conversion_result $currency_to_convert";
+                    echo "</p>";
+                }                    
+            }
+        }
+    }
+?>

results/definition.php

@@ -0,0 +1,29 @@
+<?php
+    function definition_results($query) 
+    {
+        require "config.php";
+        
+        $split_query = explode(" ", $query);
+        
+        if (count($split_query) >= 2)
+        {
+            $reversed_split_q = array_reverse($split_query);
+            $word_to_define = $reversed_split_q[1];
+
+            $ch = curl_init("https://api.dictionaryapi.dev/api/v2/entries/en/$word_to_define");
+            curl_setopt_array($ch, $config_curl_settings);
+            $response = curl_exec($ch);
+            $json_response = json_decode($response, true);
+
+            if (!array_key_exists("title", $json_response))
+            {
+                $definition = $json_response[0]["meanings"][0]["definitions"][0]["definition"];
+
+                echo "<p id=\"special-result\">";
+                echo "$word_to_define meaning<br/>";
+                echo "<br/>" . $definition . "<br/>";
+                echo "</p>";
+            }
+        }
+    }
+?>

results/image.php

@@ -0,0 +1,43 @@
+<?php
+    function image_results($xpath) 
+    {
+        require "config.php";
+
+        $mh = curl_multi_init();
+        $chs = $alts = $results = array();
+
+        foreach($xpath->query("//img[@data-src]") as $image)
+        {       
+                $alt = $image->getAttribute("alt");
+                $src = $image->getAttribute("data-src");
+
+                if (!empty($alt)) 
+                {
+                    $ch = curl_init($src);
+                    curl_setopt_array($ch, $config_curl_settings);
+                    array_push($chs, $ch);
+                    curl_multi_add_handle($mh, $ch);
+
+                    array_push($alts, $alt);
+                }
+        }
+
+        $running = null;
+        do {
+            curl_multi_exec($mh, $running);
+        } while ($running);
+
+        for ($i=0; count($chs)>$i; $i++)
+        {
+            $img_base64 = base64_encode(curl_multi_getcontent($chs[$i]));
+            array_push($results, 
+                array (
+                    "base64" => $img_base64,
+                    "alt" => $alts[$i]
+                )
+            );
+        }
+
+        return $results;
+    }
+?>

results/text.php

@@ -0,0 +1,35 @@
+<?php
+
+    function text_results($xpath) 
+    {
+        require_once "tools.php";
+
+        $results = array();
+
+        foreach($xpath->query("//div[@id='search']//div[contains(@class, 'g')]") as $result)
+        {
+            $url = $xpath->evaluate(".//div[@class='yuRUbf']//a/@href", $result)[0];
+
+            if ($url == null)
+                continue;
+
+            if (!empty($results)) // filter duplicate results
+                if (end($results)["url"] == $url->textContent)
+                    continue;
+
+            $title = $xpath->evaluate(".//h3", $result)[0];
+            $description = $xpath->evaluate(".//div[contains(@class, 'VwiC3b')]", $result)[0];
+
+            array_push($results, 
+                array (
+                    "title" => $title->textContent,
+                    "url" =>  $url->textContent,
+                    "base_url" => get_base_url($url->textContent),
+                    "description" => $description == null ? "No description was provided for this site." : $description->textContent
+                )
+            );
+        }
+
+        return $results;
+    }
+?>

search.php

@@ -17,39 +17,31 @@
                 <?php
                     session_start();
 
-                    $valid_query = true;
+                    $query = trim($_REQUEST["q"]);
 
-                    if (!isset($_REQUEST["q"]))
+                    if (1 > strlen($query) || strlen($query) > 256)
-                        $valid_query = false;
-                    else if (1 > strlen($_REQUEST["q"]) || strlen($_REQUEST["q"]) > 256)
-                        $valid_query = false;
-                    
-                    if ($valid_query) 
-                    {
-                        $query = $_REQUEST["q"];
-                        echo "value=\"$query\"";
-
-                        $_SESSION["q"] = trim($query);
-                        $_SESSION["p"] = $_REQUEST["p"];
-                        $_SESSION["type"] = $_REQUEST["type"];
-                    } 
-                    else 
                     {
                         header("Location: /");
                         die();
-                    }
+                    } 
+ 
+                    echo "value=\"$query\"";
+
+                    $_SESSION["q"] = $query;
+                    $_SESSION["p"] = $_REQUEST["p"];
+                    $_SESSION["type"] = $_REQUEST["type"];
+
                 ?>
             >
             <br>
             <?php
-                if (isset($_REQUEST["type"]))
+                $type = $_REQUEST["type"];
-                    if ($_REQUEST["type"] == "img")
+                echo "<input type=\"hidden\" name=\"type\" value=\"$type\"/>";
-                        echo "<input type=\"hidden\" name=\"type\" value=\"img\"/>";
             ?>
             <button type="submit" style="display:none;"></button>
             <div class="result_change">
-                <button name="type" value="text">Text results</button>
+                <button name="type" value="0">Text results</button>
-                <button name="type" value="img">Image results</button>
+                <button name="type" value="1">Image results</button>
             </div>
             
         <hr>

search_frame.php

@@ -8,7 +8,8 @@
     </head>
     <body>
         <?php
-            function print_next_pages($page, $button_val, $q) {
+            function print_next_pages($page, $button_val, $q) 
+            {
                 echo "<form id=\"page\" action=\"search.php\" target=\"_top\" method=\"post\">";
                 echo "<input type=\"hidden\" name=\"p\" value=\"" . $page . "\" />";
                 echo "<input type=\"hidden\" name=\"q\" value=\"$q\" />";
@@ -16,35 +17,42 @@
                 echo "</form>"; 
             }
 
+            ini_set('display_errors', 1);
+ini_set('display_startup_errors', 1);
+error_reporting(E_ALL);
+            
             session_start();
 
-            require("fetch.php");
+            require_once "google.php";
+            require_once "tools.php";
 
             $query = $_SESSION["q"];
             $page = (int) htmlspecialchars($_SESSION["p"]);
-            $search_type = $_SESSION["type"] == "img" ? true : false;
+            $type = (int) $_SESSION["type"];
 
             $start_time = microtime(true);
-            $results = fetch_results($query, $page, $search_type);
+            $results = get_google_results($query, $page, $type);
             $end_time = number_format(microtime(true) - $start_time, 2, '.', '');
 
             echo "<p id=\"time\">Fetched the results in $end_time seconds</p>";
             
-            if ($_SESSION["type"] != "img") 
+            if ($type == 0) // text search
             {
-                special_search($query);
+                check_for_special_search($query);
                 
                 foreach($results as $result)
                 {
                     $title = $result["title"];
                     $url = $result["url"];
                     $base_url = $result["base_url"];
+                    $description = $result["description"];
 
                     echo "<div class=\"result-container\">";
                     echo "<a href=\"$url\" target=\"_blank\">";
                     echo "$base_url";
                     echo "<h2>$title</h2>";
                     echo "</a>";
+                    echo "<span>$description</span>";
                     echo "</div>";
                 }
                 
@@ -56,7 +64,7 @@
                     print_next_pages($page - 10, "&lt;", $query);
                 }
                 
-                for ($i=$page / 10; $page / 10 + 10>$i; $i++)
+                for ($i=$page / 10; $page / 10 + 10 > $i; $i++)
                 {
                     $page_input = $i * 10;
                     $page_button = $i + 1;
@@ -68,19 +76,21 @@
 
                 echo "</div>";
             }
-            else
+            else if ($type == 1) // image search
             {
                 foreach($results as $result)
                 {
                     $src = $result["base64"];
                     $alt = $result["alt"];
-                    echo "<a href=\"data:image/jpeg;base64,$src\" target=\"_blank\"><img src=\"data:image/jpeg;base64,$src\"></a>";
+    
+                    echo "<a title=\"$alt\" href=\"data:image/jpeg;base64,$src\" target=\"_blank\">";
+                    echo "<img src=\"data:image/jpeg;base64,$src\">";
+                    echo "</a>";
                 }
             }
 
-            require "session_destroy.php";
+            better_session_destroy();
 
-            
         ?>
     </body>
 </html>

session_destroy.php

@@ -1,13 +0,0 @@
-<?php
-    $_SESSION = array();
-
-    if (ini_get("session.use_cookies")) {
-        $params = session_get_cookie_params();
-        setcookie(session_name(), '', time() - 42000,
-            $params["path"], $params["domain"],
-            $params["secure"], $params["httponly"]
-        );
-    }
-
-    session_destroy();
-?>

static/styles.css

@@ -10,7 +10,7 @@ body {
     padding: 0;
 }
 
-hr { margin:30px 0px 30px 0px; }
+hr { margin: 30px 0px 30px 0px; }
 
 iframe {
     width: 100%;
@@ -103,6 +103,13 @@ img { padding:15px; }
     margin-left:10%;
 }
 
+.result-container {
+    max-width: 550px;
+    margin-top: 30px;
+}
+
+.result-container span { font-size: 15px; }
+
 .result-container a {
     font-size: 14px;
     color:#bdc1c6;
@@ -118,10 +125,6 @@ img { padding:15px; }
 
 .result-container h2:hover { text-decoration: underline; }
 
-.result-container {
-    margin-top:6px;
-}
-
 #special-result {
     padding:10px;
     border: 1px solid #bdc1c6;
@@ -129,7 +132,8 @@ img { padding:15px; }
 }
 
 .page-container {
-    margin-bottom:70px;
+    margin-top:50px;
+    margin-bottom:50px;
     margin-left:15%;
 }
 

tools.php

@@ -0,0 +1,42 @@
+<?php
+    function get_base_url($url)
+    {
+        $split_url = explode("/", $url);
+        $base_url = $split_url[0] . "//" . $split_url[2] . "/";
+        return $base_url;
+    }
+
+    function better_session_destroy()
+    {
+        $_SESSION = array();
+
+        if (ini_get("session.use_cookies")) {
+            $params = session_get_cookie_params();
+            setcookie(session_name(), '', time() - 42000,
+                $params["path"], $params["domain"],
+                $params["secure"], $params["httponly"]
+            );
+        }
+    
+        session_destroy();
+    }
+
+    function check_for_special_search($query)
+    {
+        $query_lower = strtolower($query);
+
+        // Check for currency convesion
+        if (strpos($query_lower, "to"))
+        {
+            require_once "results/currency.php";
+            currency_results($query);
+        }
+           
+        // Check for definition 
+        else if (strpos($query_lower, "mean"))
+        {
+            require_once "results/definition.php";
+            definition_results($query);
+        }
+    }
+?>