Initial commit Change-Id: I0000000000000000000000000000000000000000
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211
classes/content.php
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211
classes/content.php
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<?php
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/*
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This class will be used to maintian web page content.
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*/
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class content {
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var $host;
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var $username;
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var $password;
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var $db;
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var $id;
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var $key;
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function content($host, $username, $password, $db, $key){
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$this->host = $host;
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$this->username = $username;
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$this->password = $password;
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$this->db = $db;
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$this->connect();
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$this->id = $this->get_id_from_key($key);
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$this->key = $key;
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}
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public function get_id_from_key($key){
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$q = "SELECT * FROM pages WHERE pagekey='$key'";
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$r = mysql_query($q);
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if ( $r !== false && mysql_num_rows($r) > 0 ) {
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$a = mysql_fetch_assoc($r);
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return $a['id'];
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}
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}
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/**
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deletes a page by its id
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*/
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public function delete_content(){
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$id = $this->id;
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$q = "DELETE FROM pages WHERE id = '$id'";
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return mysql_query($q);
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}
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/**
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returns the raw content for a page in an array
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keys are:
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title
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bodytext
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id
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*/
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public function get_content() {
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$q = "SELECT * FROM pages WHERE id=".$this->id;
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$r = mysql_query($q);
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if ( $r !== false && mysql_num_rows($r) > 0 ) {
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return mysql_fetch_assoc($r);
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}
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}
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/*
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returns a html formated body
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*/
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public function get_body() {
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$key = $this->key;
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$a = $this->get_content();
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$body = $this->txt2html($a['bodytext']);
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if($_SESSION['access'] == admin) {
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$body .= "</br><a href=\"content_manager.php?pagekey=$key\">Edit</a>";
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}
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return $body;
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}
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/*
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returns a non formated body
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*/
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public function get_title() {
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$a = $this->get_content();
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return $a['title'];
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}
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/*
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This function will be used to edit a page
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*/
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public function display_editor() {
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$content = $this->get_content();
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$id = $this->id;
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$key = $this->key;
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$title = $content['title'];
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$body = $content['bodytext'];
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return <<<ADMIN_FORM
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<form action="{$_SERVER['PHP_SELF']}" method="post">
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<input type="hidden" name="page" value="$id" />
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<input type="hidden" name="pagekey" value="$key" />
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<div class="clearfix">
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<label for="title">Title</label><br />
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<div class="input">
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<input name="title" id="title" type="text" maxlength="55" class="xlarge" value="$title"> </input>
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</div>
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</div>
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<div class="clearfix">
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<label for="bodytext">Body Text</label><br />
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<div class="input">
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<textarea name="bodytext" id="bodytext" rows=10 cols=56 class="xxlarge">$body</textarea>
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</div>
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</div>
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<div class="actions">
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<button type="submit" class="btn primary" >Save</button>
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<button type="reset" class="btn">Cancel</button>
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</div>
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</form>
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ADMIN_FORM;
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}
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/*
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saves page information
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*/
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public function write($title, $body) {
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$title = mysql_real_escape_string(strip_tags($title));
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$bodytext = mysql_real_escape_string($body);
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$key = $this->key;
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$updateStm = "UPDATE pages SET title='$title', bodytext='$body' WHERE pagekey='$key'";
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mysql_query($updateStm);
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if(mysql_affected_rows()<=0){
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$sql = "INSERT INTO pages (title, bodytext, pagekey)VALUES('$title','$bodytext','$key')";
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mysql_query($sql);
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}
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}
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/**
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This function connects to the database
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*/
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public function connect() {
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mysql_connect($this->host,$this->username,$this->password) or die("Could not connect. " . mysql_error());
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mysql_select_db($this->db) or die("Could not select database. " . mysql_error());
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return $this->buildDB();
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}
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private function buildDB() {
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$sql = <<<MySQL_QUERY
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CREATE TABLE IF NOT EXISTS pages ( id INTEGER NOT NULL PRIMARY KEY AUTO_INCREMENT, title TEXT, bodytext TEXT, pagekey TEXT)
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MySQL_QUERY;
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return mysql_query($sql);
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}
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public function stri_replace( $find, $replace, $string ) {
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// Case-insensitive str_replace()
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$parts = explode( strtolower($find), strtolower($string) );
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$pos = 0;
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foreach( $parts as $key=>$part ){
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$parts[ $key ] = substr($string, $pos, strlen($part));
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$pos += strlen($part) + strlen($find);
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}
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return( join( $replace, $parts ) );
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}
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public function txt2html($txt) {
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// Transforms txt in html
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//Kills double spaces and spaces inside tags.
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while( !( strpos($txt,' ') === FALSE ) ) $txt = str_replace(' ',' ',$txt);
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$txt = str_replace(' >','>',$txt);
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$txt = str_replace('< ','<',$txt);
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//Transforms accents in html entities.
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$txt = htmlentities($txt);
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//We need some HTML entities back!
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$txt = str_replace('"','"',$txt);
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$txt = str_replace('<','<',$txt);
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$txt = str_replace('>','>',$txt);
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$txt = str_replace('&','&',$txt);
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//Ajdusts links - anything starting with HTTP opens in a new window
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$txt = $this->stri_replace("<a href=\"http://","<a target=\"_blank\" href=\"http://",$txt);
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$txt = $this->stri_replace("<a href=http://","<a target=\"_blank\" href=http://",$txt);
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//Basic formatting
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$eol = ( strpos($txt,"\r") === FALSE ) ? "\n" : "\r\n";
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$html = '<p>'.str_replace("$eol$eol","</p><p>",$txt).'</p>';
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$html = str_replace("$eol","<br />\n",$html);
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$html = str_replace("</p>","</p>\n\n",$html);
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$html = str_replace("<p></p>","<p> </p>",$html);
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//Wipes <br> after block tags (for when the user includes some html in the text).
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$wipebr = Array("table","tr","td","blockquote","ul","ol","li");
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for($x = 0; $x < count($wipebr); $x++) {
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$tag = $wipebr[$x];
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$html = $this->stri_replace("<$tag><br />","<$tag>",$html);
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$html = $this->stri_replace("</$tag><br />","</$tag>",$html);
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}
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return $html;
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}
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}
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?>
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