mirror of
https://github.com/EGroupware/egroupware.git
synced 2024-12-23 15:18:58 +01:00
470 lines
13 KiB
PHP
470 lines
13 KiB
PHP
<?
|
|
/**************************************************************************\
|
|
* phpGroupWare API - HTTP protocol class *
|
|
* http://www.phpgroupware.org/api *
|
|
* -------------------------------------------------------------------------*
|
|
* This is not part of phpGroupWare, but is used by phpGroupWare. *
|
|
\**************************************************************************/
|
|
|
|
/* $Id$ */
|
|
|
|
class http
|
|
{
|
|
var $host_name="";
|
|
var $host_port=80;
|
|
var $proxy_host_name="";
|
|
var $proxy_host_port=80;
|
|
|
|
var $request_method="GET";
|
|
var $user_agent="Manuel Lemos HTTP class test script";
|
|
var $request_uri="";
|
|
var $protocol_version="1.0";
|
|
var $debug=0;
|
|
var $support_cookies=1;
|
|
var $cookies=array();
|
|
|
|
/* private variables - DO NOT ACCESS */
|
|
|
|
var $state="Disconnected";
|
|
var $connection=0;
|
|
var $content_length=0;
|
|
var $read_length=0;
|
|
var $request_host="";
|
|
var $months=array(
|
|
"Jan"=>"01",
|
|
"Feb"=>"02",
|
|
"Mar"=>"03",
|
|
"Apr"=>"04",
|
|
"May"=>"05",
|
|
"Jun"=>"06",
|
|
"Jul"=>"07",
|
|
"Aug"=>"08",
|
|
"Sep"=>"09",
|
|
"Oct"=>"10",
|
|
"Nov"=>"11",
|
|
"Dec"=>"12");
|
|
|
|
/* Private methods - DO NOT CALL */
|
|
|
|
Function OutputDebug($message)
|
|
{
|
|
echo $message,"\n";
|
|
}
|
|
|
|
Function GetLine()
|
|
{
|
|
for($line="";;)
|
|
{
|
|
if(feof($this->connection)
|
|
|| !($part=fgets($this->connection,100)))
|
|
return(0);
|
|
$line.=$part;
|
|
$length=strlen($line);
|
|
if($length>=2
|
|
&& substr($line,$length-2,2)=="\r\n")
|
|
{
|
|
$line=substr($line,0,$length-2);
|
|
if($this->debug)
|
|
$this->OutputDebug("< $line");
|
|
return($line);
|
|
}
|
|
}
|
|
}
|
|
|
|
Function PutLine($line)
|
|
{
|
|
if($this->debug)
|
|
$this->OutputDebug("> $line");
|
|
return(fputs($this->connection,"$line\r\n"));
|
|
}
|
|
|
|
Function PutData($data)
|
|
{
|
|
if($this->debug)
|
|
$this->OutputDebug("> $data");
|
|
return(fputs($this->connection,$data));
|
|
}
|
|
|
|
Function Readbytes($length)
|
|
{
|
|
if($this->debug)
|
|
{
|
|
if(($bytes=fread($this->connection,$length))!="")
|
|
$this->OutputDebug("< $bytes");
|
|
return($bytes);
|
|
}
|
|
else
|
|
return(fread($this->connection,$length));
|
|
}
|
|
|
|
Function EndOfInput()
|
|
{
|
|
return(feof($this->connection));
|
|
}
|
|
|
|
Function Connect($host_name,$host_port)
|
|
{
|
|
if($this->debug)
|
|
$this->OutputDebug("Connecting to $host_name...");
|
|
if(($this->connection=fsockopen($host_name,$host_port,&$error))==0)
|
|
{
|
|
switch($error)
|
|
{
|
|
case -3:
|
|
return("-3 socket could not be created");
|
|
case -4:
|
|
return("-4 dns lookup on hostname \"".$host_name."\" failed");
|
|
case -5:
|
|
return("-5 connection refused or timed out");
|
|
case -6:
|
|
return("-6 fdopen() call failed");
|
|
case -7:
|
|
return("-7 setvbuf() call failed");
|
|
default:
|
|
return($error." could not connect to the host \"".$host_name."\"");
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if($this->debug)
|
|
$this->OutputDebug("Connected to $host_name");
|
|
$this->state="Connected";
|
|
return("");
|
|
}
|
|
}
|
|
|
|
Function Disconnect()
|
|
{
|
|
if($this->debug)
|
|
$this->OutputDebug("Disconnected from ".$this->host_name);
|
|
fclose($this->connection);
|
|
return("");
|
|
}
|
|
|
|
/* Public methods */
|
|
|
|
Function Open($arguments)
|
|
{
|
|
if($this->state!="Disconnected")
|
|
return("1 already connected");
|
|
if(IsSet($arguments["HostName"]))
|
|
$this->host_name=$arguments["HostName"];
|
|
if(IsSet($arguments["HostPort"]))
|
|
$this->host_port=$arguments["HostPort"];
|
|
if(IsSet($arguments["ProxyHostName"]))
|
|
$this->proxy_host_name=$arguments["ProxyHostName"];
|
|
if(IsSet($arguments["ProxyHostPort"]))
|
|
$this->proxy_host_port=$arguments["ProxyHostPort"];
|
|
if(strlen($this->proxy_host_name)==0)
|
|
{
|
|
if(strlen($this->host_name)==0)
|
|
return("2 it was not specified a valid hostname");
|
|
$host_name=$this->host_name;
|
|
$host_port=$this->host_port;
|
|
}
|
|
else
|
|
{
|
|
$host_name=$this->proxy_host_name;
|
|
$host_port=$this->proxy_host_port;
|
|
}
|
|
$error=$this->Connect($host_name,$host_port);
|
|
if(strlen($error)==0)
|
|
$this->state="Connected";
|
|
return($error);
|
|
}
|
|
|
|
Function Close()
|
|
{
|
|
if($this->state=="Disconnected")
|
|
return("1 already disconnected");
|
|
$error=$this->Disconnect();
|
|
if(strlen($error)==0)
|
|
$this->state="Disconnected";
|
|
return($error);
|
|
}
|
|
|
|
Function SendRequest($arguments)
|
|
{
|
|
switch($this->state)
|
|
{
|
|
case "Disconnected":
|
|
return("1 connection was not yet established");
|
|
case "Connected":
|
|
break;
|
|
default:
|
|
return("2 can not send request in the current connection state");
|
|
}
|
|
if(IsSet($arguments["RequestMethod"]))
|
|
$this->request_method=$arguments["RequestMethod"];
|
|
if(IsSet($arguments["User-Agent"]))
|
|
$this->user_agent=$arguments["User-Agent"];
|
|
if(strlen($this->request_method)==0)
|
|
return("3 it was not specified a valid request method");
|
|
if(IsSet($arguments["RequestURI"]))
|
|
$this->request_uri=$arguments["RequestURI"];
|
|
if(strlen($this->request_uri)==0
|
|
|| substr($this->request_uri,0,1)!="/")
|
|
return("4 it was not specified a valid request URI");
|
|
$request_body="";
|
|
$headers=(IsSet($arguments["Headers"]) ? $arguments["Headers"] : array());
|
|
if($this->request_method=="POST")
|
|
{
|
|
if(IsSet($arguments["PostValues"]))
|
|
{
|
|
$values=$arguments["PostValues"];
|
|
if(GetType($values)!="array")
|
|
return("5 it was not specified a valid POST method values array");
|
|
for($request_body="",Reset($values),$value=0;$value<count($values);Next($values),$value++)
|
|
{
|
|
if($value>0)
|
|
$request_body.="&";
|
|
$request_body.=Key($values)."=".UrlEncode($values[Key($values)]);
|
|
}
|
|
$headers["Content-type"]="application/x-www-form-urlencoded";
|
|
}
|
|
}
|
|
if(strlen($this->proxy_host_name)==0)
|
|
$request_uri=$this->request_uri;
|
|
else
|
|
$request_uri="http://".$this->host_name.($this->host_port==80 ? "" : ":".$this->host_port).$this->request_uri;
|
|
if(($success=$this->PutLine($this->request_method." ".$request_uri." HTTP/".$this->protocol_version)))
|
|
{
|
|
if(($body_length=strlen($request_body)))
|
|
$headers["Content-length"]=$body_length;
|
|
for($host_set=0,Reset($headers),$header=0;$header<count($headers);Next($headers),$header++)
|
|
{
|
|
$header_name=Key($headers);
|
|
$header_value=$headers[$header_name];
|
|
if(GetType($header_value)=="array")
|
|
{
|
|
for(Reset($header_value),$value=0;$value<count($header_value);Next($header_value),$value++)
|
|
{
|
|
if(!$success=$this->PutLine("$header_name: ".$header_value[Key($header_value)]))
|
|
break 2;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if(!$success=$this->PutLine("$header_name: $header_value"))
|
|
break;
|
|
}
|
|
if(strtolower(Key($headers))=="host")
|
|
{
|
|
$this->request_host=strtolower($header_value);
|
|
$host_set=1;
|
|
}
|
|
}
|
|
if($success)
|
|
{
|
|
if(!$host_set)
|
|
{
|
|
$success=$this->PutLine("Host: ".$this->host_name);
|
|
$this->request_host=strtolower($this->host_name);
|
|
}
|
|
if(count($this->cookies)
|
|
&& IsSet($this->cookies[0]))
|
|
{
|
|
$now=gmdate("Y-m-d H-i-s");
|
|
for($cookies=array(),$domain=0,Reset($this->cookies[0]);$domain<count($this->cookies[0]);Next($this->cookies[0]),$domain++)
|
|
{
|
|
$domain_pattern=Key($this->cookies[0]);
|
|
$match=strlen($this->request_host)-strlen($domain_pattern);
|
|
if($match>=0
|
|
&& !strcmp($domain_pattern,substr($this->request_host,$match))
|
|
&& ($match==0
|
|
|| $domain_pattern[0]=="."
|
|
|| $this->request_host[$match-1]=="."))
|
|
{
|
|
for(Reset($this->cookies[0][$domain_pattern]),$path_part=0;$path_part<count($this->cookies[0][$domain_pattern]);Next($this->cookies[0][$domain_pattern]),$path_part++)
|
|
{
|
|
$path=Key($this->cookies[0][$domain_pattern]);
|
|
if(strlen($this->request_uri)>=strlen($path)
|
|
&& substr($this->request_uri,0,strlen($path))==$path)
|
|
{
|
|
for(Reset($this->cookies[0][$domain_pattern][$path]),$cookie=0;$cookie<count($this->cookies[0][$domain_pattern][$path]);Next($this->cookies[0][$domain_pattern][$path]),$cookie++)
|
|
{
|
|
$cookie_name=Key($this->cookies[0][$domain_pattern][$path]);
|
|
$expires=$this->cookies[0][$domain_pattern][$path][$cookie_name]["expires"];
|
|
if($expires==""
|
|
|| strcmp($now,$expires)<0)
|
|
$cookies[$cookie_name]=$this->cookies[0][$domain_pattern][$path][$cookie_name];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
for(Reset($cookies),$cookie=0;$cookie<count($cookies);Next($cookies),$cookie++)
|
|
{
|
|
$cookie_name=Key($cookies);
|
|
if(!($success=$this->PutLine("Cookie: ".UrlEncode($cookie_name)."=".$cookies[$cookie_name]["value"].";")))
|
|
break;
|
|
}
|
|
}
|
|
if($success)
|
|
{
|
|
if($success)
|
|
{
|
|
$success=$this->PutLine("");
|
|
if($body_length
|
|
&& $success)
|
|
$success=$this->PutData($request_body);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if(!$success)
|
|
return("5 could not send the HTTP request");
|
|
$this->state="RequestSent";
|
|
return("");
|
|
}
|
|
|
|
Function ReadReplyHeaders(&$headers)
|
|
{
|
|
switch($this->state)
|
|
{
|
|
case "Disconnected":
|
|
return("1 connection was not yet established");
|
|
case "Connected":
|
|
return("2 request was not sent");
|
|
case "RequestSent":
|
|
break;
|
|
default:
|
|
return("3 can not get request headers in the current connection state");
|
|
}
|
|
$headers=array();
|
|
$this->content_length=$this->read_length=0;
|
|
$this->content_length_set=0;
|
|
for(;;)
|
|
{
|
|
$line=$this->GetLine();
|
|
if(GetType($line)!="string")
|
|
return("4 could not read request reply");
|
|
if($line=="")
|
|
{
|
|
$this->state="GotReplyHeaders";
|
|
return("");
|
|
}
|
|
$header_name=strtolower(strtok($line,":"));
|
|
$header_value=Trim(Chop(strtok("\r\n")));
|
|
if(IsSet($headers[$header_name]))
|
|
{
|
|
if(GetType($headers[$header_name])=="string")
|
|
$headers[$header_name]=array($headers[$header_name]);
|
|
$headers[$header_name][]=$header_value;
|
|
}
|
|
else
|
|
$headers[$header_name]=$header_value;
|
|
switch($header_name)
|
|
{
|
|
case "content-length":
|
|
$this->content_length=intval($headers[$header_name]);
|
|
$this->content_length_set=1;
|
|
break;
|
|
case "set-cookie":
|
|
if($this->support_cookies)
|
|
{
|
|
$cookie_name=trim(strtok($headers[$header_name],"="));
|
|
$cookie_value=strtok(";");
|
|
$domain=$this->request_host;
|
|
$path="/";
|
|
$expires="";
|
|
$secure=0;
|
|
while(($name=strtolower(trim(strtok("="))))!="")
|
|
{
|
|
$value=UrlDecode(strtok(";"));
|
|
switch($name)
|
|
{
|
|
case "domain":
|
|
if($value==""
|
|
|| !strpos($value,".",$value[0]=="."))
|
|
break;
|
|
$domain=strtolower($value);
|
|
break;
|
|
case "path":
|
|
if($value!=""
|
|
&& $value[0]=="/")
|
|
$path=$value;
|
|
break;
|
|
case "expires":
|
|
if(ereg("^((Mon|Monday|Tue|Tuesday|Wed|Wednesday|Thu|Thursday|Fri|Friday|Sat|Saturday|Sun|Sunday), )?([0-9]{2})\\-(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\\-([0-9]{2,4}) ([0-9]{2})\\:([0-9]{2})\\:([0-9]{2}) GMT$",$value,$matches))
|
|
{
|
|
$year=intval($matches[5]);
|
|
if($year<1900)
|
|
$year+=($year<70 ? 2000 : 1900);
|
|
$expires="$year-".$this->months[$matches[4]]."-".$matches[3]." ".$matches[6].":".$matches[7].":".$matches[8];
|
|
}
|
|
break;
|
|
case "secure":
|
|
$secure=1;
|
|
break;
|
|
}
|
|
}
|
|
$this->cookies[$secure][$domain][$path][$cookie_name]=array(
|
|
"name"=>$cookie_name,
|
|
"value"=>$cookie_value,
|
|
"domain"=>$domain,
|
|
"path"=>$path,
|
|
"expires"=>$expires,
|
|
"secure"=>$secure
|
|
);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
Function ReadReplyBody(&$body,$length)
|
|
{
|
|
switch($this->state)
|
|
{
|
|
case "Disconnected":
|
|
return("1 connection was not yet established");
|
|
case "Connected":
|
|
return("2 request was not sent");
|
|
case "RequestSent":
|
|
if(($error=$this->ReadReplyHeaders(&$headers))!="")
|
|
return($error);
|
|
break;
|
|
case "GotReplyHeaders":
|
|
break;
|
|
default:
|
|
return("3 can not get request headers in the current connection state");
|
|
}
|
|
$body="";
|
|
if($this->content_length_set)
|
|
$length=min($this->content_length-$this->read_length,$length);
|
|
if($length>0
|
|
&& !$this->EndOfInput()
|
|
&& ($body=$this->ReadBytes($length))=="")
|
|
return("4 could not get the request reply body");
|
|
return("");
|
|
}
|
|
|
|
Function GetPersistentCookies(&$cookies)
|
|
{
|
|
$now=gmdate("Y-m-d H-i-s");
|
|
$cookies=array();
|
|
for($secure_cookies=0,Reset($this->cookies);$secure_cookies<count($this->cookies);Next($this->cookies),$secure_cookies++)
|
|
{
|
|
$secure=Key($this->cookies);
|
|
for($domain=0,Reset($this->cookies[$secure]);$domain<count($this->cookies[$secure]);Next($this->cookies[$secure]),$domain++)
|
|
{
|
|
$domain_pattern=Key($this->cookies[$secure]);
|
|
for(Reset($this->cookies[$secure][$domain_pattern]),$path_part=0;$path_part<count($this->cookies[$secure][$domain_pattern]);Next($this->cookies[$secure][$domain_pattern]),$path_part++)
|
|
{
|
|
$path=Key($this->cookies[$secure][$domain_pattern]);
|
|
for(Reset($this->cookies[$secure][$domain_pattern][$path]),$cookie=0;$cookie<count($this->cookies[$secure][$domain_pattern][$path]);Next($this->cookies[$secure][$domain_pattern][$path]),$cookie++)
|
|
{
|
|
$cookie_name=Key($this->cookies[$secure][$domain_pattern][$path]);
|
|
$expires=$this->cookies[$secure][$domain_pattern][$path][$cookie_name]["expires"];
|
|
if($expires!=""
|
|
&& strcmp($now,$expires)<0)
|
|
$cookies[$secure][$domain_pattern][$path][$cookie_name]=$this->cookies[$secure][$domain_pattern][$path][$cookie_name];
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
};
|
|
|