052e0c26 |
1 | <? |
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); |
17 | $counter = 0; |
18 | while ((substr($read, 0, strlen("$pre OK")) != "$pre OK") && |
19 | (substr($read, 0, strlen("$pre BAD")) != "$pre BAD") && |
20 | (substr($read, 0, strlen("$pre NO")) != "$pre NO")) { |
21 | $data[$counter] = $read; |
22 | $read = fgets ($imap_stream, 1024); |
23 | $counter++; |
24 | } |
25 | if (substr($read, 0, strlen("$pre OK")) == "$pre OK") { |
26 | $response = "OK"; |
27 | $message = trim(substr($read, strlen("$pre OK"), strlen($read))); |
28 | } |
29 | else if (substr($read, 0, strlen("$pre BAD")) == "$pre BAD") { |
30 | $response = "BAD"; |
31 | $message = trim(substr($read, strlen("$pre BAD"), strlen($read))); |
32 | } |
33 | else { |
34 | $response = "NO"; |
35 | $message = trim(substr($read, strlen("$pre NO"), strlen($read))); |
36 | } |
37 | |
38 | if ($handle_errors == true) { |
39 | if ($response == "NO") { |
40 | echo "<br><b><font color=$color[2]>"; |
41 | echo _("ERROR : Could not complete request."); |
42 | echo "</b><br>"; |
43 | echo _("Reason Given: "); |
44 | echo "$message</font><br>"; |
45 | exit; |
46 | } else if ($response == "BAD") { |
47 | echo "<br><b><font color=$color[2]>"; |
48 | echo _("ERROR : Bad or malformed request."); |
49 | echo "</b><br>"; |
50 | echo _("Server responded: "); |
51 | echo "$message</font><br>"; |
52 | exit; |
53 | } |
54 | } |
55 | |
56 | return $data; |
57 | } |
58 | |
59 | |
60 | |
61 | |
62 | /****************************************************************************** |
63 | ** Logs the user into the imap server. If $hide is set, no error messages |
64 | ** will be displayed. This function returns the imap connection handle. |
65 | ******************************************************************************/ |
66 | function sqimap_login ($username, $password, $imap_server_address, $imap_port, $hide) { |
67 | global $color; |
68 | global $PHPSESSID; |
69 | $imap_stream = fsockopen ($imap_server_address, $imap_port, &$error_number, &$error_string); |
70 | $server_info = fgets ($imap_stream, 1024); |
71 | |
72 | /** Do some error correction **/ |
73 | if (!$imap_stream) { |
74 | if (!$hide) { |
75 | echo "Error connecting to IMAP server: $imap_server_address.<br>\r\n"; |
76 | echo "$error_number : $error_string<br>\r\n"; |
77 | } |
78 | exit; |
79 | } |
80 | |
81 | fputs ($imap_stream, "a001 LOGIN \"$username\" \"$password\"\r\n"); |
82 | $read = fgets ($imap_stream, 1024); |
83 | |
84 | /** If the connection was not successful, lets see why **/ |
85 | if (substr($read, 0, 7) != "a001 OK") { |
86 | if (!$hide) { |
87 | if (substr($read, 0, 8) == "a001 BAD") { |
88 | echo "Bad request: $read<br>\r\n"; |
89 | exit; |
90 | } else if (substr($read, 0, 7) == "a001 NO") { |
91 | ?> |
92 | <html> |
93 | <body bgcolor=ffffff> |
94 | <br> |
95 | <center> |
96 | <table width=70% noborder bgcolor=ffffff align=center> |
97 | <tr> |
98 | <td bgcolor=dcdcdc> |
99 | <font color=cc0000> |
100 | <center> |
101 | <? echo _("ERROR") ?> |
102 | </center> |
103 | </font> |
104 | </td> |
105 | </tr> |
106 | <tr> |
107 | <td> |
108 | <center> |
109 | <? echo _("Unknown user or password incorrect.") ?><br> |
110 | <a href="login.php"><? echo _("Click here to try again") ?></a> |
111 | </center> |
112 | </td> |
113 | </tr> |
114 | </table> |
115 | </center> |
116 | </body> |
117 | </html> |
118 | <? |
119 | session_destroy(); |
120 | exit; |
121 | } else { |
122 | echo "Unknown error: $read<br>"; |
123 | exit; |
124 | } |
125 | } else { |
126 | exit; |
127 | } |
128 | } |
129 | |
130 | return $imap_stream; |
131 | } |
132 | |
133 | |
134 | |
135 | |
136 | /****************************************************************************** |
137 | ** Simply logs out the imap session |
138 | ******************************************************************************/ |
139 | function sqimap_logout ($imap_stream) { |
140 | fputs ($imap_stream, "a001 LOGOUT\r\n"); |
141 | } |
142 | |
143 | |
144 | |
145 | /****************************************************************************** |
146 | ** Returns the delimeter between mailboxes: INBOX/Test, or INBOX.Test... |
147 | ******************************************************************************/ |
148 | function sqimap_get_delimiter ($imap_stream) { |
149 | fputs ($imap_stream, ". LSUB \"\" *\r\n"); |
150 | $read = sqimap_read_data($imap_stream, ".", true, $a, $b); |
151 | $quote_position = strpos ($read[0], "\""); |
152 | $delim = substr ($read[0], $quote_position+1, 1); |
153 | |
154 | return $delim; |
155 | } |
156 | |
157 | |
158 | |
159 | |
160 | /****************************************************************************** |
161 | ** Gets the number of messages in the current mailbox. |
162 | ******************************************************************************/ |
163 | function sqimap_get_num_messages ($imap_stream, $mailbox) { |
164 | fputs ($imap_stream, "a001 EXAMINE \"$mailbox\"\r\n"); |
165 | $read_ary = sqimap_read_data ($imap_stream, "a001", true, $result, $message); |
166 | for ($i = 0; $i < count($read_ary); $i++) { |
167 | if (substr(trim($read_ary[$i]), -6) == EXISTS) { |
168 | $array = explode (" ", $read_ary[$i]); |
169 | $num = $array[1]; |
170 | } |
171 | } |
172 | return $num; |
173 | } |
174 | |
175 | |
176 | /****************************************************************************** |
177 | ** Returns a displayable email address |
178 | ******************************************************************************/ |
179 | function sqimap_find_email ($string) { |
180 | /** Luke Ehresman <lehresma@css.tayloru.edu> |
181 | ** <lehresma@css.tayloru.edu> |
182 | ** lehresma@css.tayloru.edu |
183 | **/ |
184 | |
185 | if (strpos($string, "<") && strpos($string, ">")) { |
186 | $string = substr($string, strpos($string, "<")+1); |
187 | $string = substr($string, 0, strpos($string, ">")); |
188 | } |
189 | return trim($string); |
190 | } |
191 | |
192 | |
193 | /****************************************************************************** |
194 | ** Takes the From: field, and creates a displayable name. |
195 | ** Luke Ehresman <lkehresman@yahoo.com> |
196 | ** becomes: Luke Ehresman |
197 | ** <lkehresman@yahoo.com> |
198 | ** becomes: lkehresman@yahoo.com |
199 | ******************************************************************************/ |
200 | function sqimap_find_displayable_name ($string) { |
201 | $string = " ".trim($string); |
202 | if (strpos($string, "<") && strpos($string, ">")) { |
203 | if (strpos($string, "<") == 1) { |
204 | $string = sqimap_find_email($string); |
205 | } else { |
206 | $string = trim($string); |
207 | $string = substr($string, 0, strpos($string, "<")); |
208 | $string = ereg_replace ("\"", "", $string); |
209 | } |
210 | } |
211 | return $string; |
212 | } |
213 | |
214 | |
215 | |
216 | /****************************************************************************** |
217 | ** Returns the number of unseen messages in this folder |
218 | ******************************************************************************/ |
219 | function sqimap_unseen_messages ($imap_stream, &$num_unseen) { |
220 | fputs ($imap_stream, "a001 SEARCH UNSEEN NOT DELETED\r\n"); |
221 | $read_ary = sqimap_read_data ($imap_stream, "a001", true, $result, $message); |
222 | $unseen = false; |
223 | |
224 | if (strlen($read_ary[0]) > 10) { |
225 | $unseen = true; |
226 | $ary = explode (" ", $read_ary[0]); |
227 | $num_unseen = count($ary) - 2; |
228 | } else { |
229 | $unseen = false; |
230 | $num_unseen = 0; |
231 | } |
232 | |
233 | return $unseen; |
234 | } |
235 | |
236 | |
237 | /****************************************************************************** |
238 | ** Saves a message to a given folder -- used for saving sent messages |
239 | ******************************************************************************/ |
240 | function sqimap_append ($imap_stream, $sent_folder, $length) { |
241 | fputs ($imap_stream, "a001 APPEND \"$sent_folder\" (\\Seen) \{$length}\r\n"); |
242 | $tmp = fgets ($imap_stream, 1024); |
243 | } |
244 | |
245 | function sqimap_append_done ($imap_stream) { |
246 | fputs ($imap_stream, "\r\n"); |
247 | $tmp = fgets ($imap_stream, 1024); |
248 | } |
249 | ?> |