/[fcproducts]/auth_POP3.php
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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Annotation of /auth_POP3.php

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Revision 1.1 - (hide annotations)
Wed Jun 6 10:54:22 2001 UTC (18 years, 2 months ago) by ravilov
Branch: MAIN
CVS Tags: HEAD
Dodana POP3 i MD5 autorizacija, izbacena plaintext autorizacija.

1 ravilov 1.1 <?
2    
3     /*
4     Document manager auth_pop3.php module
5    
6     WARNING: this modules uses e-mail address to check
7     login and password against pop3 server! e-mail must be
8     in following form:
9    
10     login_on_pop3_server@pop3_server.domain
11    
12     That should actually be also a vaild e-mail address
13    
14    
15     this module is based on class.POP3.php3 by cdi@thewebmasters.net
16     */
17    
18     function auth_pop3($user) {
19     $email = explode("@",$user[3]);
20     $pop3 = new POP3();
21     $pop3->connect($email[1]);
22     if ($pop3->checklogin($email[0],$GLOBALS[PHP_AUTH_PW])) {
23     $pop3->quit();
24     return true;
25     }
26     $pop3->quit();
27     return false;
28     }
29    
30     //--------------------------------------------------------------------------
31    
32     /*
33     This is just a part of class.POP3.php3 which is needed for
34     auth_pop3.php module. Please look at original location for
35     whole class!
36    
37     class.POP3.php3 v1.0 99/03/24 CDI cdi@thewebmasters.net
38     Copyright (c) 1999 - CDI (cdi@thewebmasters.net) All Rights Reserved
39    
40     An RFC 1939 compliant wrapper class for the POP3 protocol.
41     */
42    
43     class POP3
44     {
45     var $ERROR = ""; // Error string.
46    
47     var $TIMEOUT = 60; // Default timeout before giving up on a
48     // network operation.
49    
50     var $COUNT = -1; // Mailbox msg count
51    
52     var $BUFFER = 512; // Socket buffer for socket fgets() calls.
53     // Per RFC 1939 the returned line a POP3
54     // server can send is 512 bytes.
55    
56     var $FP = ""; // The connection to the server's
57     // file descriptor
58    
59     var $MAILSERVER = ""; // Set this to hard code the server name
60    
61     var $DEBUG = false;// set to true to echo pop3
62     // commands and responses to error_log
63     // this WILL log passwords!
64    
65     var $BANNER = ""; // Holds the banner returned by the
66     // pop server - used for apop()
67    
68     function POP3 ( $server = "", $timeout = "" )
69     {
70     settype($this->BUFFER,"integer");
71     if(!empty($server))
72     {
73     // Do not allow programs to alter MAILSERVER
74     // if it is already specified. They can get around
75     // this if they -really- want to, so don't count on it.
76     if(empty($this->MAILSERVER))
77     {
78     $this->MAILSERVER = $server;
79     }
80     }
81     if(!empty($timeout))
82     {
83     settype($timeout,"integer");
84     $this->TIMEOUT = $timeout;
85     set_time_limit($timeout);
86     }
87     return true;
88     }
89    
90     function update_timer ()
91     {
92     set_time_limit($this->TIMEOUT);
93     return true;
94     }
95    
96     function connect ($server, $port = 110)
97     {
98     // Opens a socket to the specified server. Unless overridden,
99     // port defaults to 110. Returns true on success, false on fail
100    
101     // If MAILSERVER is set, override $server with it's value
102    
103     if(!empty($this->MAILSERVER))
104     {
105     $server = $this->MAILSERVER;
106     }
107    
108     if(empty($server))
109     {
110     $this->ERROR = "POP3 connect: No server specified";
111     unset($this->FP);
112     return false;
113     }
114    
115     $fp = fsockopen("$server", $port, &$errno, &$errstr);
116    
117     if(!$fp)
118     {
119     $this->ERROR = "POP3 connect: Error [$errno] [$errstr]";
120     unset($this->FP);
121     return false;
122     }
123    
124     set_socket_blocking($fp,-1);
125     $this->update_timer();
126     $reply = fgets($fp,$this->BUFFER);
127     $reply = $this->strip_clf($reply);
128     if($this->DEBUG) { error_log("POP3 SEND [connect: $server] GOT [$reply]",0); }
129     if(!$this->is_ok($reply))
130     {
131     $this->ERROR = "POP3 connect: Error [$reply]";
132     unset($this->FP);
133     return false;
134     }
135     $this->FP = $fp;
136     $this->BANNER = $this->parse_banner($reply);
137     return true;
138     }
139    
140     //-----------------------------
141    
142     function checklogin ($user, $pass) {
143     $reply = $this->send_cmd("USER $user");
144     if(!$this->is_ok($reply))
145     {
146     $this->ERROR = "POP3 user: Error [$reply]";
147     return false;
148     }
149    
150     $reply = $this->send_cmd("PASS $pass");
151     if(!$this->is_ok($reply))
152     {
153     $this->ERROR = "POP3 pass: authentication failed [$reply]";
154     $this->quit();
155     return false;
156     }
157     // Auth successful.
158     return true;
159     }
160    
161     //-------------------------------------------
162    
163     function noop ()
164     {
165     if(!isset($this->FP))
166     {
167     $this->ERROR = "POP3 noop: No connection to server";
168     return false;
169     }
170     $cmd = "NOOP";
171     $reply = $this->send_cmd($cmd);
172     if(!$this->is_ok($reply))
173     {
174     return false;
175     }
176     return true;
177     }
178    
179     function send_cmd ( $cmd = "" )
180     {
181     // Sends a user defined command string to the
182     // POP server and returns the results. Useful for
183     // non-compliant or custom POP servers.
184     // Do NOT include the \r\n as part of your command
185     // string - it will be appended automatically.
186    
187     // The return value is a standard fgets() call, which
188     // will read up to $this->BUFFER bytes of data, until it
189     // encounters a new line, or EOF, whichever happens first.
190    
191     // This method works best if $cmd responds with only
192     // one line of data.
193    
194     if(!isset($this->FP))
195     {
196     $this->ERROR = "POP3 send_cmd: No connection to server";
197     return false;
198     }
199    
200     if(empty($cmd))
201     {
202     $this->ERROR = "POP3 send_cmd: Empty command string";
203     return "";
204     }
205    
206     $fp = $this->FP;
207     $buffer = $this->BUFFER;
208     $this->update_timer();
209     fwrite($fp,"$cmd\r\n");
210     $reply = fgets($fp,$buffer);
211     $reply = $this->strip_clf($reply);
212     if($this->DEBUG) { @error_log("POP3 SEND [$cmd] GOT [$reply]",0); }
213     return $reply;
214     }
215    
216     function quit ()
217     {
218     // Closes the connection to the POP3 server, deleting
219     // any msgs marked as deleted.
220    
221     if(!isset($this->FP))
222     {
223     $this->ERROR = "POP3 quit: connection does not exist";
224     return false;
225     }
226     $fp = $this->FP;
227     $cmd = "QUIT";
228     fwrite($fp,"$cmd\r\n");
229     $reply = fgets($fp,$this->BUFFER);
230     $reply = $this->strip_clf($reply);
231     if($this->DEBUG) { @error_log("POP3 SEND [$cmd] GOT [$reply]",0); }
232     fclose($fp);
233     unset($this->FP);
234     return true;
235     }
236    
237     // *********************************************************
238    
239     // The following methods are internal to the class.
240    
241     function is_ok ($cmd = "")
242     {
243     // Return true or false on +OK or -ERR
244    
245     if(empty($cmd)) { return false; }
246     if ( ereg ("^\+OK", $cmd ) ) { return true; }
247     return false;
248     }
249    
250     function strip_clf ($text = "")
251     {
252     // Strips \r\n from server responses
253    
254     if(empty($text)) { return $text; }
255     $stripped = ereg_replace("\r","",$text);
256     $stripped = ereg_replace("\n","",$stripped);
257     return $stripped;
258     }
259    
260     function parse_banner ( $server_text )
261     {
262     $outside = true;
263     $banner = "";
264     $length = strlen($server_text);
265     for($count =0; $count < $length; $count++)
266     {
267     $digit = substr($server_text,$count,1);
268     if(!empty($digit))
269     {
270     if( (!$outside) and ($digit != '<') and ($digit != '>') )
271     {
272     $banner .= $digit;
273     }
274     if ($digit == '<')
275     {
276     $outside = false;
277     }
278     if($digit == '>')
279     {
280     $outside = true;
281     }
282     }
283     }
284     $banner = $this->strip_clf($banner); // Just in case
285     return "<$banner>";
286     }
287    
288     } // End class
289    
290     ?>

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