59177427 |
1 | <?php |
052e0c26 |
2 | /** |
3 | ** imap.php |
4 | ** |
5 | ** This implements all functions that do general imap functions. |
6 | **/ |
7 | |
8 | /****************************************************************************** |
9 | ** Reads the output from the IMAP stream. If handle_errors is set to true, |
10 | ** this will also handle all errors that are received. If it is not set, |
11 | ** the errors will be sent back through $response and $message |
12 | ******************************************************************************/ |
13 | function sqimap_read_data ($imap_stream, $pre, $handle_errors, $response, $message) { |
14 | global $color; |
15 | |
16 | $read = fgets ($imap_stream, 1024); |
47ca0924 |
17 | // echo "<small><tt><font color=cc0000>$read</font></tt></small><br>"; |
052e0c26 |
18 | $counter = 0; |
19 | while ((substr($read, 0, strlen("$pre OK")) != "$pre OK") && |
20 | (substr($read, 0, strlen("$pre BAD")) != "$pre BAD") && |
21 | (substr($read, 0, strlen("$pre NO")) != "$pre NO")) { |
22 | $data[$counter] = $read; |
23 | $read = fgets ($imap_stream, 1024); |
47ca0924 |
24 | // echo "<small><tt><font color=cc0000>$read</font></tt></small><br>"; |
052e0c26 |
25 | $counter++; |
26 | } |
27 | if (substr($read, 0, strlen("$pre OK")) == "$pre OK") { |
28 | $response = "OK"; |
29 | $message = trim(substr($read, strlen("$pre OK"), strlen($read))); |
30 | } |
31 | else if (substr($read, 0, strlen("$pre BAD")) == "$pre BAD") { |
32 | $response = "BAD"; |
33 | $message = trim(substr($read, strlen("$pre BAD"), strlen($read))); |
34 | } |
35 | else { |
36 | $response = "NO"; |
37 | $message = trim(substr($read, strlen("$pre NO"), strlen($read))); |
38 | } |
39 | |
40 | if ($handle_errors == true) { |
41 | if ($response == "NO") { |
42 | echo "<br><b><font color=$color[2]>"; |
43 | echo _("ERROR : Could not complete request."); |
44 | echo "</b><br>"; |
45 | echo _("Reason Given: "); |
46 | echo "$message</font><br>"; |
47 | exit; |
48 | } else if ($response == "BAD") { |
49 | echo "<br><b><font color=$color[2]>"; |
50 | echo _("ERROR : Bad or malformed request."); |
51 | echo "</b><br>"; |
52 | echo _("Server responded: "); |
53 | echo "$message</font><br>"; |
54 | exit; |
55 | } |
56 | } |
57 | |
58 | return $data; |
59 | } |
60 | |
61 | |
62 | |
63 | |
64 | /****************************************************************************** |
65 | ** Logs the user into the imap server. If $hide is set, no error messages |
66 | ** will be displayed. This function returns the imap connection handle. |
67 | ******************************************************************************/ |
68 | function sqimap_login ($username, $password, $imap_server_address, $imap_port, $hide) { |
1b187352 |
69 | global $color, $squirrelmail_language, $HTTP_ACCEPT_LANGUAGE; |
70 | |
052e0c26 |
71 | $imap_stream = fsockopen ($imap_server_address, $imap_port, &$error_number, &$error_string); |
72 | $server_info = fgets ($imap_stream, 1024); |
73 | |
1b187352 |
74 | // This function can sometimes be called before the check for |
75 | // gettext is done. |
76 | if (!function_exists("_")) { |
77 | function _($string) { |
78 | return $string; |
79 | } |
80 | } |
81 | |
052e0c26 |
82 | /** Do some error correction **/ |
83 | if (!$imap_stream) { |
84 | if (!$hide) { |
1b187352 |
85 | printf (_("Error connecting to IMAP server: %s.")."<br>\r\n", $imap_server_address); |
052e0c26 |
86 | echo "$error_number : $error_string<br>\r\n"; |
87 | } |
88 | exit; |
89 | } |
90 | |
91 | fputs ($imap_stream, "a001 LOGIN \"$username\" \"$password\"\r\n"); |
92 | $read = fgets ($imap_stream, 1024); |
93 | |
94 | /** If the connection was not successful, lets see why **/ |
95 | if (substr($read, 0, 7) != "a001 OK") { |
96 | if (!$hide) { |
97 | if (substr($read, 0, 8) == "a001 BAD") { |
1b187352 |
98 | printf (_("Bad request: %s")."<br>\r\n", $read); |
052e0c26 |
99 | exit; |
100 | } else if (substr($read, 0, 7) == "a001 NO") { |
1b187352 |
101 | // If the user does not log in with the correct |
102 | // username and password it is not possible to get the |
103 | // correct locale from the user's preferences. |
104 | // Therefore, apply the same hack as on the login |
105 | // screen. |
106 | |
107 | // $squirrelmail_language is set by a cookie when |
108 | // the user selects language and logs out |
109 | |
110 | // Use HTTP content language negotiation if cookie |
111 | // not set |
112 | if (!isset($squirrelmail_language) && isset($HTTP_ACCEPT_LANGUAGE)) { |
113 | $squirrelmail_language = substr($HTTP_ACCEPT_LANGUAGE, 0, 2); |
114 | } |
115 | |
116 | if (isset($squirrelmail_language)) { |
117 | if ($squirrelmail_language != "en" && $squirrelmail_language != "") { |
118 | putenv("LC_ALL=".$squirrelmail_language); |
119 | bindtextdomain("squirrelmail", "../locale/"); |
120 | textdomain("squirrelmail"); |
121 | header ("Content-Type: text/html; charset=".$languages[$squirrelmail_language]["CHARSET"]); |
122 | } |
123 | } |
124 | |
052e0c26 |
125 | ?> |
126 | <html> |
127 | <body bgcolor=ffffff> |
128 | <br> |
129 | <center> |
130 | <table width=70% noborder bgcolor=ffffff align=center> |
131 | <tr> |
132 | <td bgcolor=dcdcdc> |
133 | <font color=cc0000> |
134 | <center> |
59177427 |
135 | <?php echo _("ERROR") ?> |
052e0c26 |
136 | </center> |
137 | </font> |
138 | </td> |
139 | </tr> |
140 | <tr> |
141 | <td> |
142 | <center> |
59177427 |
143 | <?php echo _("Unknown user or password incorrect.") ?><br> |
144 | <a href="login.php"><?php echo _("Click here to try again") ?></a> |
052e0c26 |
145 | </center> |
146 | </td> |
147 | </tr> |
148 | </table> |
149 | </center> |
150 | </body> |
151 | </html> |
59177427 |
152 | <?php |
052e0c26 |
153 | session_destroy(); |
154 | exit; |
155 | } else { |
1b187352 |
156 | printf (_("Unknown error: %s")."<br>", $read); |
052e0c26 |
157 | exit; |
158 | } |
159 | } else { |
160 | exit; |
161 | } |
162 | } |
163 | |
164 | return $imap_stream; |
165 | } |
166 | |
167 | |
168 | |
169 | |
170 | /****************************************************************************** |
171 | ** Simply logs out the imap session |
172 | ******************************************************************************/ |
173 | function sqimap_logout ($imap_stream) { |
174 | fputs ($imap_stream, "a001 LOGOUT\r\n"); |
175 | } |
176 | |
177 | |
178 | |
179 | /****************************************************************************** |
180 | ** Returns the delimeter between mailboxes: INBOX/Test, or INBOX.Test... |
181 | ******************************************************************************/ |
182 | function sqimap_get_delimiter ($imap_stream) { |
8e9e8afa |
183 | fputs ($imap_stream, ". LIST \"INBOX\" \"\"\r\n"); |
052e0c26 |
184 | $read = sqimap_read_data($imap_stream, ".", true, $a, $b); |
185 | $quote_position = strpos ($read[0], "\""); |
186 | $delim = substr ($read[0], $quote_position+1, 1); |
187 | |
188 | return $delim; |
189 | } |
190 | |
191 | |
192 | |
193 | |
194 | /****************************************************************************** |
195 | ** Gets the number of messages in the current mailbox. |
196 | ******************************************************************************/ |
197 | function sqimap_get_num_messages ($imap_stream, $mailbox) { |
198 | fputs ($imap_stream, "a001 EXAMINE \"$mailbox\"\r\n"); |
199 | $read_ary = sqimap_read_data ($imap_stream, "a001", true, $result, $message); |
200 | for ($i = 0; $i < count($read_ary); $i++) { |
201 | if (substr(trim($read_ary[$i]), -6) == EXISTS) { |
202 | $array = explode (" ", $read_ary[$i]); |
203 | $num = $array[1]; |
204 | } |
205 | } |
206 | return $num; |
207 | } |
208 | |
209 | |
210 | /****************************************************************************** |
211 | ** Returns a displayable email address |
212 | ******************************************************************************/ |
213 | function sqimap_find_email ($string) { |
214 | /** Luke Ehresman <lehresma@css.tayloru.edu> |
215 | ** <lehresma@css.tayloru.edu> |
216 | ** lehresma@css.tayloru.edu |
217 | **/ |
218 | |
219 | if (strpos($string, "<") && strpos($string, ">")) { |
220 | $string = substr($string, strpos($string, "<")+1); |
221 | $string = substr($string, 0, strpos($string, ">")); |
222 | } |
223 | return trim($string); |
224 | } |
225 | |
226 | |
227 | /****************************************************************************** |
228 | ** Takes the From: field, and creates a displayable name. |
229 | ** Luke Ehresman <lkehresman@yahoo.com> |
230 | ** becomes: Luke Ehresman |
231 | ** <lkehresman@yahoo.com> |
232 | ** becomes: lkehresman@yahoo.com |
233 | ******************************************************************************/ |
234 | function sqimap_find_displayable_name ($string) { |
235 | $string = " ".trim($string); |
236 | if (strpos($string, "<") && strpos($string, ">")) { |
237 | if (strpos($string, "<") == 1) { |
238 | $string = sqimap_find_email($string); |
239 | } else { |
240 | $string = trim($string); |
241 | $string = substr($string, 0, strpos($string, "<")); |
242 | $string = ereg_replace ("\"", "", $string); |
243 | } |
244 | } |
245 | return $string; |
246 | } |
247 | |
248 | |
249 | |
250 | /****************************************************************************** |
251 | ** Returns the number of unseen messages in this folder |
252 | ******************************************************************************/ |
c5eb2c03 |
253 | function sqimap_unseen_messages ($imap_stream, &$num_unseen, $mailbox) { |
254 | //fputs ($imap_stream, "a001 SEARCH UNSEEN NOT DELETED\r\n"); |
255 | fputs ($imap_stream, "a001 STATUS \"$mailbox\" (UNSEEN)\r\n"); |
052e0c26 |
256 | $read_ary = sqimap_read_data ($imap_stream, "a001", true, $result, $message); |
257 | $unseen = false; |
258 | |
c5eb2c03 |
259 | $read_ary[0] = trim($read_ary[0]); |
260 | return substr($read_ary[0], strrpos($read_ary[0], " ")+1, (strlen($read_ary[0]) - strrpos($read_ary[0], " ") - 2)); |
052e0c26 |
261 | } |
262 | |
263 | |
264 | /****************************************************************************** |
265 | ** Saves a message to a given folder -- used for saving sent messages |
266 | ******************************************************************************/ |
267 | function sqimap_append ($imap_stream, $sent_folder, $length) { |
268 | fputs ($imap_stream, "a001 APPEND \"$sent_folder\" (\\Seen) \{$length}\r\n"); |
269 | $tmp = fgets ($imap_stream, 1024); |
270 | } |
271 | |
272 | function sqimap_append_done ($imap_stream) { |
273 | fputs ($imap_stream, "\r\n"); |
274 | $tmp = fgets ($imap_stream, 1024); |
275 | } |
276 | ?> |