New Import

1 files changed, 554 insertions, 0 deletions

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+<?php
+/*
+	@header General Library
+	This is the general library that contains misc functions
+	that doesn't have a home elsewhere
+*/
+
+/*!
+	@function sql_escape
+	@discussion this takes a sql statement
+	and properly escapes it before a query is run 
+	against it. 
+*/
+function sql_escape($sql,$dbh=0) {
+
+	if (!is_resource($dbh)) { 
+		$dbh = dbh();
+	}
+
+	if (function_exists('mysql_real_escape_string')) {
+		$sql = mysql_real_escape_string($sql,$dbh);
+	}
+	else {
+		$sql = mysql_escape_string($sql);
+	}
+
+	return $sql;
+
+} // sql_escape
+
+/*!
+	@function ip2int
+	@discussion turns a dotted quad ip into an
+		int
+*/
+function ip2int($ip) { 
+
+        $a=explode(".",$ip);
+	return $a[0]*256*256*256+$a[1]*256*256+$a[2]*256+$a[3];
+
+} // ip2int
+
+/*!
+	@function int2ip
+	@discussion turns a int into a dotted quad
+*/
+function int2ip($i) { 
+        $d[0]=(int)($i/256/256/256);
+        $d[1]=(int)(($i-$d[0]*256*256*256)/256/256);
+        $d[2]=(int)(($i-$d[0]*256*256*256-$d[1]*256*256)/256);
+        $d[3]=$i-$d[0]*256*256*256-$d[1]*256*256-$d[2]*256;
+	return "$d[0].$d[1].$d[2].$d[3]";
+} // int2ip
+
+/*!
+	@function show_template
+	@discussion show a template from the /templates directory, automaticly appends .inc
+		to the passed filename
+	@param 	$template	Name of Template
+*/
+function show_template($template) {
+
+	/* Check for a 'Theme' template */
+	if (is_readable(conf('prefix') . conf('theme_path') . "/templates/$template".".inc")) { 
+		require (conf('prefix') . conf('theme_path') . "/templates/$template".".inc");
+	}
+	else {
+	        require (conf('prefix') . "/templates/$template".".inc");
+	}
+
+} // show_template
+
+
+/*!
+	@function read_config
+	@discussion reads the config file for ampache
+*/
+function read_config($config_file, $debug=0, $test=0) {
+
+    $fp = @fopen($config_file,'r');
+    if(!is_resource($fp)) return false;
+    $file_data = fread($fp,filesize($config_file));
+    fclose($fp);
+
+    // explode the var by \n's
+    $data = explode("\n",$file_data);
+    if($debug) echo "<pre>";
+
+    $count = 0;
+
+    foreach($data as $value) {
+        $count++;
+
+        $value = trim($value);
+
+        if (preg_match("/^\[([A-Za-z]+)\]$/",$value,$matches)) {
+                // If we have previous data put it into $results...
+                if (isset($config_name) && isset(${$config_name}) && count(${$config_name})) {
+                                $results[$config_name] = ${$config_name};
+                }
+
+                $config_name = $matches[1];
+
+        } // if it is a [section] name
+
+
+        elseif (isset($config_name)) {
+
+                // if it's not a comment
+                if (preg_match("/^([\w\d]+)\s+=\s+[\"]{1}(.*?)[\"]{1}$/",$value,$matches)
+                        || preg_match("/^([\w\d]+)\s+=\s+[\']{1}(.*?)[\']{1}$/", $value, $matches)
+                        || preg_match("/^([\w\d]+)\s+=\s+[\'\"]{0}(.*)[\'\"]{0}$/",$value,$matches)) {
+
+                    if (isset(${$config_name}[$matches[1]]) && is_array(${$config_name}[$matches[1]]) && isset($matches[2]) ) {
+                        if($debug) echo "Adding value <strong>$matches[2]</strong> to existing key <strong>$matches[1]</strong>\n";
+                        array_push(${$config_name}[$matches[1]], $matches[2]);
+                    }
+
+                    elseif (isset(${$config_name}[$matches[1]]) && isset($matches[2]) ) {
+                        if($debug) echo "Adding value <strong>$matches[2]</strong> to existing key $matches[1]</strong>\n";
+                        ${$config_name}[$matches[1]] = array(${$config_name}[$matches[1]],$matches[2]);
+                    }
+
+                    elseif ($matches[2] !== "") {
+                        if($debug) echo "Adding value <strong>$matches[2]</strong> for key <strong>$matches[1]</strong>\n";
+                        ${$config_name}[$matches[1]] = $matches[2];
+                    }
+
+                    // if there is something there and it's not a comment
+                    elseif ($value{0} !== "#" AND strlen(trim($value)) > 0 AND !$test AND strlen($matches[2]) > 0) {
+                        echo "Error Invalid Config Entry --> Line:$count"; return false;
+                    } // elseif it's not a comment and there is something there
+
+                    else {
+                        if($debug) echo "Key <strong>$matches[1]</strong> defined, but no value set\n";
+                    }
+                } // end if it's not a comment
+
+        } // elseif no config_name
+
+
+        elseif (preg_match("/^([\w\d]+)\s+=\s+[\"]{1}(.*?)[\"]{1}$/",$value,$matches)
+                        || preg_match("/^([\w\d]+)\s+=\s+[\']{1}(.*?)[\']{1}$/", $value, $matches)
+                        || preg_match("/^([\w\d]+)\s+=\s+[\'\"]{0}(.*)[\'\"]{0}$/",$value,$matches)) {
+
+
+                if (is_array($results[$matches[1]]) && isset($matches[2]) ) {
+                        if($debug) echo "Adding value <strong>$matches[2]</strong> to existing key <strong>$matches[1]</strong>\n";
+                        array_push($results[$matches[1]], $matches[2]);
+                }
+
+                elseif (isset($results[$matches[1]]) && isset($matches[2]) ) {
+                        if($debug) echo "Adding value <strong>$matches[2]</strong> to existing key $matches[1]</strong>\n";
+                        $results[$matches[1]] = array($results[$matches[1]],$matches[2]);
+                }
+
+                elseif ($matches[2] !== "") {
+                        if($debug) echo "Adding value <strong>$matches[2]</strong> for key <strong>$matches[1]</strong>\n";
+                        $results[$matches[1]] = $matches[2];
+                }
+
+                // if there is something there and it's not a comment
+                elseif ($value{0} !== "#" AND strlen(trim($value)) > 0 AND !$test AND strlen($matches[2]) > 0) {
+                        echo "Error Invalid Config Entry --> Line:$count"; return false;
+                } // elseif it's not a comment and there is something there
+
+                else {
+                        if($debug) echo "Key <strong>$matches[1]</strong> defined, but no value set\n";
+                }
+
+        } // end else
+
+    } // foreach
+
+    if (isset($config_name) && isset(${$config_name}) && count(${$config_name})) {
+        $results[$config_name] = ${$config_name};
+    }
+
+    if($debug) echo "</pre>";
+
+    return $results;
+
+
+} // read_config
+
+/*
+ * Conf function by Robert Hopson
+ * call it with a $parm name to retrieve
+ * a var, pass it a array to set them
+ * to reset a var pass the array plus
+ * Clobber! replaces global $conf;
+*/
+function conf($param,$clobber=0)
+{
+        static $params = array();
+
+        if(is_array($param))
+        //meaning we are setting values
+        {
+                foreach ($param as $key=>$val)
+                {
+                        if(!$clobber && isset($params[$key]))
+                        {
+                                echo "Error: attempting to clobber $key = $val\n";
+                                exit();
+                        }
+                        $params[$key] = $val;
+                }
+                return true;
+        }
+        else
+        //meaning we are trying to retrieve a parameter
+        {
+                if($params[$param]) return $params[$param];
+                else return;
+        }
+} //conf
+
+function libglue_param($param,$clobber=0)
+{
+        static $params = array();
+        if(is_array($param))
+        //meaning we are setting values
+        {
+                foreach ($param as $key=>$val)
+                {
+                        if(!$clobber && isset($params[$key]))
+                        {
+                                echo "Error: attempting to clobber $key = $val\n";
+                                exit();
+                        }
+                        $params[$key] = $val;
+                }
+                return true;
+        }
+        else
+        //meaning we are trying to retrieve a parameter
+        {
+                if(isset($params[$param])) return $params[$param];
+                else return false;
+        }
+}
+
+function error_results($param,$clobber=0)
+{               
+        static $params = array();
+        
+        if(is_array($param))
+        //meaning we are setting values
+        {
+                foreach ($param as $key=>$val)
+                {       
+                        if(!$clobber && isset($params[$key]))
+                        {
+                                echo "Error: attempting to clobber $key = $val\n";
+                                exit(); 
+                        }
+                        $params[$key] = $val;
+                }
+                return true;
+        }               
+        else            
+        //meaning we are trying to retrieve a parameter
+        {
+                if($params[$param]) return $params[$param];
+                else return;
+        }
+} //error_results
+
+
+/*!
+	@function dbh
+	@discussion retrieves the DBH 
+*/
+function dbh() { return check_sess_db('local'); }
+
+/*!
+	@function fix_preferences
+	@discussion cleans up the preferences
+*/
+function fix_preferences($results) { 
+
+	foreach ($results as $key=>$data) { 
+		if (strcasecmp($data, "yes") == "0") { $data = 1; }
+		if (strcasecmp($data,"true") == "0") { $data = 1; }
+		if (strcasecmp($data,"enabled") == "0") { $data = 1; }
+		if (strcasecmp($data,"disabled") == "0") { $data = 0; }
+		if (strcasecmp($data,"false") == "0") { $data = 0; }
+		if (strcasecmp($data,"no") == "0") { $data = 0; }
+		$results[$key] = $data;
+	}
+
+	return $results;
+
+} // fix_preferences
+
+/*!
+	@function session_exists
+	@discussion checks to make sure they've specified a 
+		valid session
+*/
+function session_exists($sid) { 
+
+	$sql = "SELECT * FROM session WHERE id = '$sid'";
+	$db_results = mysql_query($sql, dbh());
+
+	if (!mysql_num_rows($db_results)) { 
+		return false;
+	}
+
+	return true;
+
+} // session_exists
+
+/*!
+	@function extend_session
+	@discussion just update the expire time
+*/
+function extend_session($sid) { 
+
+	$new_time = time() + conf('local_length');
+
+	if ($_COOKIE['amp_longsess'] == '1') { $new_time = time() + 86400*364; }
+
+	$sql = "UPDATE session SET expire='$new_time' WHERE id='$sid'";
+	$db_results = mysql_query($sql, dbh());
+
+} // extend_session
+
+/*!
+	@function get_tag_type
+	@discussion finds out what tag the audioinfo
+		results returned
+*/
+function get_tag_type($results) {
+
+         // Check and see if we are dealing with an ogg
+         // If so order will be a little different
+         if ($results['ogg']) {
+        	$order[0] = 'ogg';
+         } // end if ogg
+         elseif ($results['rm']) {
+		$order[0] = 'rm';
+         }
+	 elseif ($results['flac']) { 
+	 	$order[0] = 'flac';
+	 }
+         elseif ($results['asf']) {
+                $order[0] = 'asf';
+         }
+	 elseif ($results['m4a']) { 
+	 	$order[0] = 'm4a';
+	 }
+	 elseif ($results['mpc']) { 
+	 	$order[0] = 'mpc';
+	 }
+         else {
+	        $order = conf('id3tag_order');
+         } // end else
+
+         if (!is_array($order)) {
+	         $order = array($order);
+         }
+
+        // set the $key to the first found tag style (according to their prefs)
+        foreach($order as $key) {
+                if ($results[$key]) {
+                	break;
+        	}
+	}
+
+	return $key;
+
+} // get_tag_type
+
+
+/*!
+	@function clean_tag_info
+	@discussion cleans up the tag information
+*/
+function clean_tag_info($results,$key,$filename) { 
+
+	$info = array();
+
+	$clean_array = array("\n","\t","\r","\0");
+	$wipe_array  = array("","","","");
+
+	$info['file']		= $filename;
+	$info['title']        	= stripslashes(trim($results[$key]['title']));
+	$info['year']         	= intval($results[$key]['year']);
+	$info['comment']      	= sql_escape(str_replace($clean_array,$wipe_array,$results[$key]['comment']));
+	$info['bitrate']      	= intval($results['avg_bit_rate']);
+	$info['rate']         	= intval($results['sample_rate']);
+	$info['mode']         	= $results['bitrate_mode'];
+	$info['size']         	= filesize($filename); 
+	$info['time']         	= intval($results['playing_time']);
+	$info['track']		= intval($results[$key]['track']);
+
+        /* These are used to generate the correct ID's later */
+        $info['artist'] 	= trim($results[$key]['artist']);
+	$info['album']  	= trim($results[$key]['album']);
+        $info['genre']  	= trim($results[$key]['genre']);
+
+	return $info;
+
+} // clean_tag_info
+
+/*!
+	@function scrub_in()
+	@discussion Run on inputs, stuff that might get stuck in our db
+*/
+function scrub_in($str) {
+ 
+        if (!is_array($str)) {
+                return stripslashes( htmlspecialchars( strip_tags($str) ) );
+        }
+        else {
+                $ret = array();
+                foreach($str as $string) $ret[] = scrub_in($string);
+                return $ret;
+        }
+} // scrub_in
+
+/*!
+       @function batch_ok()
+       @discussion return boolean if user can batch download
+*/
+function batch_ok( ) {
+	global $user;
+	// i check this before showing any link
+	// should make it easy to tie to a new pref if you choose to add it
+	if (conf('allow_zip_download')) { 
+		return( $user->prefs['download'] );
+	} // if allowed zip downloads
+
+	return false;
+
+} // batch_ok
+
+/*!
+	@function set_memory_limit
+	@discussion this function attempts to change the
+		php memory limit using init_set but it will 
+		never reduce it
+*/
+function set_memory_limit($new_limit) { 
+
+	/* Check their PHP Vars to make sure we're cool here */
+	// Up the memory
+	$current_memory = ini_get('memory_limit');
+	$current_memory = substr($current_memory,0,strlen($current_memory)-1);
+	if ($current_memory < $new_limit) { 
+	        $php_memory = $new_limit . "M"; 
+	        ini_set (memory_limit, "$php_memory");
+	        unset($php_memory);
+	}
+
+} // set_memory_limit
+
+/*!
+	@function get_random_songs
+	@discussion Returns a random set of songs/albums or artists
+		matchlist is an array of the WHERE mojo and options
+		defines special unplayed,album,artist,limit info
+*/
+function get_random_songs( $options, $matchlist) {
+
+        $dbh = dbh();
+
+        /* Define the options */
+        $limit          = $options['limit'];
+        $unplayed       = $options['unplayed'];
+
+        /* If they've passed -1 as limit then don't get everything */
+        if ($options['limit'] == "-1") { unset($options['limit']); }
+        else { $options['limit'] = "LIMIT " . $limit; }
+
+
+        $where = "1=1 ";
+        if(is_array($matchlist))
+            foreach ($matchlist as $type => $value) {
+                        if (is_array($value)) {
+                                foreach ($value as $v) {
+                                        $v = sql_escape($v);
+                                        if ($v != $value[0]) { $where .= " OR $type='$v' "; }
+                                        else { $where .= " AND ( $type='$v'"; }
+                                }
+                                $where .= " ) ";
+                        }
+                        else {
+                                $value = sql_escape($value);
+                                $where .= " AND $type='$value' ";
+                        }
+            }
+
+
+
+        if ($options['full_album'] == 1) {
+                $query = "SELECT album.id FROM song,album WHERE song.album=album.id AND $where GROUP BY song.album ORDER BY RAND() " . $options['limit'];
+                $db_results = mysql_query($query, $dbh);
+                while ($data = mysql_fetch_row($db_results)) {
+                        $albums_where .= " OR song.album=" . $data[0];
+                }
+                $albums_where = ltrim($albums_where," OR");
+                $query = "SELECT song.id FROM song WHERE $albums_where ORDER BY song.track ASC";
+        }
+        elseif ($options['full_artist'] == 1) {
+                $query = "SELECT artist.id FROM song,artist WHERE song.artist=artist.id AND $where GROUP BY song.artist ORDER BY RAND() " . $options['limit'];
+                $db_results = mysql_query($query, $dbh);
+                while ($data = mysql_fetch_row($db_results)) {
+                        $artists_where .= " OR song.artist=" . $data[0];
+                }
+                $artists_where = ltrim($artists_where," OR");
+                $query = "SELECT song.id FROM song WHERE $artists_where ORDER BY RAND()";
+        }
+        elseif ($options['unplayed'] == 1) {
+                $uid = $_SESSION['userdata']['id'];
+                $query = "SELECT song.id FROM song LEFT JOIN object_count ON song.id = object_count.object_id " .
+                         "WHERE ($where) AND ((object_count.object_type='song' AND userid = '$uid') OR object_count.count IS NULL ) " .
+                         "ORDER BY CASE WHEN object_count.count IS NULL THEN RAND() WHEN object_count.count > 4 THEN RAND()*RAND()*object_count.count " .
+                         "ELSE RAND()*object_count.count END " . $options['limit'];
+        } // If unplayed
+        else {
+                $query = "SELECT id FROM song WHERE $where ORDER BY RAND() " . $options['limit'];
+        }
+        $db_result = mysql_query($query, $dbh);
+
+        $songs = array();
+
+        while ( $r = mysql_fetch_array($db_result) ) {
+                $songs[] = $r[0];
+        }
+
+        return ($songs);
+
+} // get_random_songs
+
+/*!
+	@function cleanup_and_exit
+	@discussion used specificly for the play/index.php file
+		this functions nukes now playing and then exits
+*/
+function cleanup_and_exit($playing_id) { 
+
+	/* Clear now playing */
+	// 900 = 15 min
+	$expire = time() - 900;
+	$sql = "DELETE FROM now_playing WHERE id='$lastid' OR start_time < $expire";
+	$db_results = mysql_query($sql, dbh());
+	exit();
+
+} // cleanup_and_exit
+
+?>