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| 1 | +<?php |
| 2 | +include("config.php"); |
| 3 | +include("classes/DomDocumentParser.php"); |
| 4 | + |
| 5 | +if(isset($_SESSION['loggedin'])) |
| 6 | +{ |
| 7 | + exit("You must be logged in!"); |
| 8 | + header("location: login.php"); |
| 9 | +} |
| 10 | + |
| 11 | +$alreadyCrawled = array(); |
| 12 | +$crawling = array(); |
| 13 | +$alreadyFoundImages = array(); |
| 14 | + |
| 15 | + |
| 16 | +function linkExists($url) |
| 17 | +{ |
| 18 | + global $con; |
| 19 | + |
| 20 | + $query = $con->prepare("SELECT * FROM sites WHERE url = :url"); |
| 21 | + |
| 22 | + $query->bindParam(":url", $url); |
| 23 | + $query->execute(); |
| 24 | + |
| 25 | + return $query->rowCount() != 0; |
| 26 | +} |
| 27 | + |
| 28 | +function imageExists($src) |
| 29 | +{ |
| 30 | + global $con; |
| 31 | + |
| 32 | + $query = $con->prepare("SELECT * FROM images WHERE imageUrl = :src"); |
| 33 | + |
| 34 | + $query->bindParam(":src", $src); |
| 35 | + $query->execute(); |
| 36 | + |
| 37 | + return $query->rowCount() != 0; |
| 38 | +} |
| 39 | + |
| 40 | + |
| 41 | +function insertLink($url, $title, $description, $keywords) |
| 42 | +{ |
| 43 | + global $con; |
| 44 | + |
| 45 | + $query = $con->prepare("INSERT INTO sites(url, title, description, keywords) |
| 46 | + VALUES(:url, :title, :description, :keywords)"); |
| 47 | + |
| 48 | + $query->bindParam(":url", $url); |
| 49 | + $query->bindParam(":title", $title); |
| 50 | + $query->bindParam(":description", $description); |
| 51 | + $query->bindParam(":keywords", $keywords); |
| 52 | + |
| 53 | + return $query->execute(); |
| 54 | +} |
| 55 | + |
| 56 | +function insertImage($url, $src, $alt, $title) |
| 57 | +{ |
| 58 | + global $con; |
| 59 | + |
| 60 | + $query = $con->prepare("INSERT INTO images(siteUrl, imageUrl, alt, title) |
| 61 | + VALUES(:siteUrl, :imageUrl, :alt, :title)"); |
| 62 | + |
| 63 | + $query->bindParam(":siteUrl", $url); |
| 64 | + $query->bindParam(":imageUrl", $src); |
| 65 | + $query->bindParam(":alt", $alt); |
| 66 | + $query->bindParam(":title", $title); |
| 67 | + |
| 68 | + return $query->execute(); |
| 69 | +} |
| 70 | + |
| 71 | +/* Converts relative link to absolute link */ |
| 72 | +function createLink($src, $url) |
| 73 | +{ |
| 74 | + $scheme = parse_url($url)["scheme"]; // http |
| 75 | + $host = parse_url($url)["host"]; // www.safesploit.com |
| 76 | + |
| 77 | + if(substr($src, 0, 2) == "//") |
| 78 | + $src = $scheme . ":" . $src; |
| 79 | + else if(substr($src, 0, 1) == "/") |
| 80 | + $src = $scheme . "://" . $host . $src; |
| 81 | + else if(substr($src, 0, 2) == "./") |
| 82 | + $src = $scheme . "://" . $host . dirname(parse_url($url)["path"]) . substr($src, 1); |
| 83 | + else if(substr($src, 0, 3) == "../") |
| 84 | + $src = $scheme . "://" . $host . "/" . $src; |
| 85 | + else if(substr($src, 0, 5) != "https" && substr($src, 0, 4) != "http") |
| 86 | + $src = $scheme . "://" . $host . "/" . $src; |
| 87 | + |
| 88 | + return $src; |
| 89 | +} |
| 90 | + |
| 91 | +function getDetails($url) |
| 92 | +{ |
| 93 | + global $alreadyFoundImages; |
| 94 | + |
| 95 | + $parser = new DomDocumentParser($url); |
| 96 | + |
| 97 | + $titleArray = $parser->getTitleTags(); |
| 98 | + |
| 99 | + if(sizeof($titleArray) == 0 || $titleArray->item(0) == NULL) |
| 100 | + return; |
| 101 | + |
| 102 | + //Replace linebreak |
| 103 | + $title = $titleArray->item(0)->nodeValue; |
| 104 | + $title = str_replace("\n", "", $title); |
| 105 | + |
| 106 | + //Return if no <title> |
| 107 | + if($title == "") |
| 108 | + return; |
| 109 | + |
| 110 | + $description = ""; |
| 111 | + $keywords = ""; |
| 112 | + |
| 113 | + $metasArray = $parser->getMetatags(); |
| 114 | + |
| 115 | + foreach($metasArray as $meta) |
| 116 | + { |
| 117 | + if($meta->getAttribute("name") == "description") |
| 118 | + $description = $meta->getAttribute("content"); |
| 119 | + |
| 120 | + if($meta->getAttribute("name") == "keywords") |
| 121 | + $keywords = $meta->getAttribute("content"); |
| 122 | + } |
| 123 | + |
| 124 | + $description = str_replace("\n", "", $description); |
| 125 | + $keywords = str_replace("\n", "", $keywords); |
| 126 | + |
| 127 | + //Non-ASCII char encoding |
| 128 | + // $title = json_encode($title); |
| 129 | + // $description = json_encode($description); |
| 130 | + // $keywords = json_encode($keywords); |
| 131 | + |
| 132 | + if(linkExists($url)) |
| 133 | + echo "$url already exists<br>"; |
| 134 | + else if(insertLink($url, $title, $description, $keywords)) |
| 135 | + echo "SUCCESS: $url<br>"; |
| 136 | + else |
| 137 | + echo "ERROR: Failed to insert $url<br>"; |
| 138 | + |
| 139 | + $imageArray = $parser->getImages(); |
| 140 | + foreach($imageArray as $image) |
| 141 | + { |
| 142 | + $src = $image->getAttribute("src"); |
| 143 | + $alt = $image->getAttribute("alt"); |
| 144 | + $title = $image->getAttribute("title"); |
| 145 | + |
| 146 | + if(!$title && !$alt) |
| 147 | + continue; |
| 148 | + |
| 149 | + $src = createLink($src, $url); |
| 150 | + |
| 151 | + if(!in_array($src, $alreadyFoundImages)) |
| 152 | + { |
| 153 | + $alreadyFoundImages[] = $src; |
| 154 | + |
| 155 | + if(imageExists($src)) |
| 156 | + echo "$src already exists<br>"; |
| 157 | + else if(insertImage($url, $src, $alt, $title)) |
| 158 | + echo "SUCCESS: $src<br>"; |
| 159 | + else |
| 160 | + echo "ERROR: Failed to insert $src<br>"; |
| 161 | + } |
| 162 | + |
| 163 | + } |
| 164 | + |
| 165 | + echo "<b>URL:</b> $url, <b>Title:</b> $title, <b>Description:</b> $description, <b>keywords:</b> $keywords<br>"; //DEBUGGING sites |
| 166 | + echo "<b>src:</b> <a href=$src>$src</a>, <b>alt:</b> $alt, <b>title:</b> $title, <b>url:</b> $url<br>"; //DEBUGGING images |
| 167 | +} |
| 168 | + |
| 169 | +function followLinks($url) |
| 170 | +{ |
| 171 | + global $alreadyCrawled; |
| 172 | + global $crawling; |
| 173 | + |
| 174 | + $parser = new DomDocumentParser($url); |
| 175 | + |
| 176 | + $linkList = $parser->getLinks(); |
| 177 | + |
| 178 | + |
| 179 | + foreach($linkList as $link) |
| 180 | + { |
| 181 | + $href = $link->getAttribute("href"); |
| 182 | + |
| 183 | + // Filter hrefs |
| 184 | + if(strpos($href, "#") !== false) |
| 185 | + continue; |
| 186 | + else if(substr($href, 0, 11) == "javascript:") |
| 187 | + continue; |
| 188 | + |
| 189 | + $href = createLink($href, $url); |
| 190 | + |
| 191 | + if(!in_array($href, $alreadyCrawled)) |
| 192 | + { |
| 193 | + $alreadyCrawled[] = $href; |
| 194 | + $crawling[] = $href; |
| 195 | + |
| 196 | + getDetails($href); |
| 197 | + } |
| 198 | + //else return; //DEBUGGING |
| 199 | + |
| 200 | + echo ($href . "<br>"); //DEBUGGING |
| 201 | + } |
| 202 | + |
| 203 | + array_shift($crawling); |
| 204 | + |
| 205 | + foreach($crawling as $site) |
| 206 | + followLinks($site); |
| 207 | +} |
| 208 | +?> |
| 209 | + |
| 210 | +<!DOCTYPE html> |
| 211 | +<html> |
| 212 | +<head> |
| 213 | + <title>doogleBot Crawler</title> |
| 214 | + |
| 215 | + <link rel="icon" type="image/x-icon" href="assets/images/favicon/favicon.ico"> |
| 216 | + <link rel="shortcut icon" type="image/png" href="assets/images/favicon/favicon-32x32.png"> |
| 217 | + <link rel="apple-touch-icon" href="assets/images/favicon/apple-touch-icon.png"> |
| 218 | + <link rel="android-chrome-icon" type="image/png" href="assets/images/favicon/android-chrome-512x512.png"> |
| 219 | + |
| 220 | + <meta charset="utf-8"> |
| 221 | + <meta name="description" content="Search the web for sites and images."> |
| 222 | + <meta name="keywords" content="Search engine, doogle, websites"> |
| 223 | + <meta name="author" content="Zepher Ashe"> |
| 224 | + <meta name="viewport" content="width=device-width, initial-scale=1.0"> |
| 225 | + |
| 226 | + <link rel="stylesheet" type="text/css" href="assets/css/style.css"> |
| 227 | +</head> |
| 228 | +<body> |
| 229 | + <div class="headerContent"> |
| 230 | + <div class="logoContainer"> |
| 231 | + <a href="index.php"> |
| 232 | + Homepage |
| 233 | + </a> |
| 234 | + </div> |
| 235 | + <div id="crawl-wrapper"> |
| 236 | + <form action="crawl.php" method="post" accept-charset="utf-8"> |
| 237 | + URL: <input type="text" name="url" required="required" id="crawl-input" value=""> |
| 238 | + <button type="submit">Crawl</button> |
| 239 | + </form> |
| 240 | + </div> |
| 241 | + </div> |
| 242 | +</body> |
| 243 | +</html> |
| 244 | + |
| 245 | +<?php |
| 246 | +if (isset($_POST['url'])) |
| 247 | +{ |
| 248 | + $startUrl = $_POST['url']; |
| 249 | + followLinks($startUrl); |
| 250 | + // $url = "https://pogoda.wp.pl/"; |
| 251 | + // $title = "Pogoda WP.pl - na dziś, na jutro, długoterminowa dla Polski, Europy i Świata"; |
| 252 | + // $description = "Prognoza pogody na dziś, jutro i najbliższe dni w WP.pl. Sprawdź jaka pogoda czeka Cię w ciągu najbliższych dni!"; |
| 253 | + // $keywords = ""; |
| 254 | + // insertLink($url, $title, $description, $keywords); |
| 255 | + |
| 256 | +} |
| 257 | +?> |
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