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[squirrelmail.git] / functions / imap.php
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3302d0d4 1<?
2 /**
a09387f4 3 ** imap.php
3302d0d4 4 **
5 ** Functions for the IMAP connection
6 **
7 **/
8
9 /** Read from the connection until we get either an OK or BAD message. **/
d92b6f31 10 function imapReadData($connection, $pre, $handle_errors, &$response, &$message) {
11 require ("../config/config.php");
12
3302d0d4 13 $read = fgets($connection, 1024);
14 $counter = 0;
d92b6f31 15 while ((substr($read, 0, strlen("$pre OK")) != "$pre OK") &&
16 (substr($read, 0, strlen("$pre BAD")) != "$pre BAD") &&
17 (substr($read, 0, strlen("$pre NO")) != "$pre NO")) {
3302d0d4 18 $data[$counter] = $read;
19 $read = fgets($connection, 1024);
20 $counter++;
21 }
d92b6f31 22 if (substr($read, 0, strlen("$pre OK")) == "$pre OK") {
23 $response = "OK";
24 $message = trim(substr($read, strlen("$pre OK"), strlen($read)));
25 } else if (substr($read, 0, strlen("$pre BAD")) == "$pre BAD") {
26 $response = "BAD";
27 $message = trim(substr($read, strlen("$pre BAD"), strlen($read)));
28 } else {
29 $response = "NO";
30 $message = trim(substr($read, strlen("$pre NO"), strlen($read)));
31 }
32
33 if ($handle_errors == true) {
34 if ($response == "NO") {
7ce342dc 35 echo "<BR><B><FONT FACE=\"Arial,Helvetica\" COLOR=FF0000>ERROR</FONT FACE=\"Arial,Helvetica\"><FONT FACE=\"Arial,Helvetica\" COLOR=CC0000>: Could not complete request.</B> </FONT FACE=\"Arial,Helvetica\"><BR><FONT FACE=\"Arial,Helvetica\" COLOR=CC0000>&nbsp;&nbsp;<B>Reason given:</B> $message</FONT FACE=\"Arial,Helvetica\"><BR><BR>";
d92b6f31 36 exit;
37 } else if ($response == "BAD") {
7ce342dc 38 echo "<BR><B><FONT FACE=\"Arial,Helvetica\" COLOR=FF0000>ERROR</FONT FACE=\"Arial,Helvetica\"><FONT FACE=\"Arial,Helvetica\" COLOR=CC0000>: Bad or malformed request.</B></FONT FACE=\"Arial,Helvetica\"><BR><FONT FACE=\"Arial,Helvetica\" COLOR=CC0000>&nbsp;&nbsp;<B>Server responded:</B> $message</FONT FACE=\"Arial,Helvetica\"><BR><BR>";
d92b6f31 39 exit;
40 }
41 }
42
3302d0d4 43 return $data;
44 }
aa42fbfb 45
46 /** Parse the incoming mailbox name and return a string that is the FOLDER.MAILBOX **/
47 function findMailboxName($mailbox) {
d92b6f31 48 $mailbox = trim($mailbox);
49 if (substr($mailbox, strlen($mailbox)-1, strlen($mailbox)) == "\"") {
50 $mailbox = substr($mailbox, 0, strlen($mailbox) - 1);
51 $pos = strrpos($mailbox, "\"") + 1;
52 $box = substr($mailbox, $pos, strlen($mailbox));
53 } else {
54 $box = substr($mailbox, strrpos($mailbox, " ")+1, strlen($mailbox));
aa42fbfb 55 }
d92b6f31 56 return $box;
57 }
58
59 /** Finds the delimeter between mailboxes **/
60 function findMailboxDelimeter($imapConnection) {
61 fputs($imapConnection, ". list \"\" \"\"\n");
62 $read = fgets($imapConnection, 1024);
63
64 $pos = strrpos($read, "\"");
65 $read = substr($read, 0, $pos);
66
67 $pos = strrpos($read, "\"");
68 $read = substr($read, 0, $pos);
69
70 $pos = strrpos($read, "\"");
71 $read = substr($read, 0, $pos);
72
73 $pos = strrpos($read, "\"");
74 $read = substr($read, $pos+1, strlen($read));
75
76 $tmp = fgets($imapConnection, 1024);
77 return $read;
78 }
79
80 function getMailboxFlags($mailbox) {
81 $mailbox = trim($mailbox);
82 $mailbox = substr($mailbox, strpos($mailbox, "(")+1, strlen($mailbox));
83 $mailbox = substr($mailbox, 0, strpos($mailbox, ")"));
84 $mailbox = str_replace("\\", "", $mailbox);
85 $mailbox = strtolower($mailbox);
86 $mailbox = explode(" ", $mailbox);
87 return $mailbox;
aa42fbfb 88 }
8c7dfc99 89
2aa12d5e 90 // handles logging onto an imap server.
d92b6f31 91 function loginToImapServer($username, $key, $imapServerAddress, $hide) {
92 require("../config/config.php");
93
2aa12d5e 94 $imapConnection = fsockopen($imapServerAddress, 143, &$errorNumber, &$errorString);
95 if (!$imapConnection) {
96 echo "Error connecting to IMAP Server.<br>";
97 echo "$errorNumber : $errorString<br>";
98 exit;
99 }
100 $serverInfo = fgets($imapConnection, 256);
101
102 // login
d92b6f31 103 fputs($imapConnection, "a001 LOGIN $username $key\n");
2aa12d5e 104 $read = fgets($imapConnection, 1024);
d92b6f31 105 if ($debug_login == true) {
106 echo "SERVER SAYS: $read<BR>";
2aa12d5e 107 }
d92b6f31 108
109 if (substr($read, 0, 7) != "a001 OK") {
110 if (!$hide) {
111 if (substr($read, 0, 8) == "a001 BAD") {
112 echo "Bad request: $read<BR>";
113 exit;
114 }
115 else if (substr($read, 0, 7) == "a001 NO") {
116 echo "<BR>";
117 echo "<TABLE COLS=1 WIDTH=70% NOBORDER BGCOLOR=\"$color[4]\" ALIGN=CENTER>";
118 echo " <TR>";
119 echo " <TD BGCOLOR=\"$color[0]\">";
120 echo " <FONT FACE=\"Arial,Helvetica\" COLOR=\"$color[2]\"><B><CENTER>ERROR</CENTER></B></FONT>";
121 echo " </TD></TR><TR><TD>";
122 echo " <CENTER><FONT FACE=\"Arial,Helvetica\"><BR>Unknown user or password incorrect.<BR><A HREF=\"login.php\" TARGET=_top>Click here to try again</A>.</FONT></CENTER>";
123 echo " </TD></TR>";
124 echo "</TABLE>";
125 echo "</BODY></HTML>";
126 exit;
127 }
128 else {
129 echo "Unknown error: $read<BR>";
130 exit;
131 }
132 } else {
133 exit;
134 }
135 }
136
2aa12d5e 137 return $imapConnection;
138 }
139
8c7dfc99 140 /** must be sent in the form: user.<USER>.<FOLDER> **/
d92b6f31 141 function createFolder($imapConnection, $folder, $type) {
142 require ("../config/config.php");
143
144 if (strtolower($type) == "noselect") {
145 $dm = findMailboxDelimeter($imapConnection);
146 $folder = "$folder$dm";
147 } else {
148 $folder = "$folder";
149 }
8c7dfc99 150 fputs($imapConnection, "1 create \"$folder\"\n");
d92b6f31 151 $data = imapReadData($imapConnection, "1", false, $response, $message);
152
153 if ($response == "NO") {
7ce342dc 154 echo "<BR><B><FONT FACE=\"Arial,Helvetica\" COLOR=FF0000>ERROR</FONT FACE=\"Arial,Helvetica\"><FONT FACE=\"Arial,Helvetica\" COLOR=CC0000>: Could not complete request.</B> </FONT FACE=\"Arial,Helvetica\"><BR><FONT FACE=\"Arial,Helvetica\" COLOR=CC0000>&nbsp;&nbsp;<B>Reason given:</B> $message</FONT FACE=\"Arial,Helvetica\"><BR><BR>";
155 echo "<FONT FACE=\"Arial,Helvetica\">Possible solutions:<BR><LI>You may need to specify that the folder is a subfolder of INBOX</LI>";
156 echo "<LI>Try renaming the folder to something different.</LI>";
d92b6f31 157 exit;
158 } else if ($response == "BAD") {
7ce342dc 159 echo "<B><FONT FACE=\"Arial,Helvetica\" COLOR=FF0000>ERROR</FONT FACE=\"Arial,Helvetica\"><FONT FACE=\"Arial,Helvetica\" COLOR=CC0000>: Bad or malformed request.</B></FONT FACE=\"Arial,Helvetica\"><BR><FONT FACE=\"Arial,Helvetica\" COLOR=CC0000>&nbsp;&nbsp;<B>Server responded:</B> $message</FONT FACE=\"Arial,Helvetica\"><BR><BR>";
d92b6f31 160 exit;
161 }
8c7dfc99 162 }
163
597d8f1d 164 function removeFolder($imapConnection, $folder) {
8c7dfc99 165 fputs($imapConnection, "1 delete \"$folder\"\n");
d92b6f31 166 $data = imapReadData($imapConnection, "1", false, $response, $message);
167 if ($response == "NO") {
168 echo "<FONT FACE=\"Arial,Helvetica\" COLOR=FF0000><B>ERROR</B>: Could not delete the folder $folder.</FONT>";
169 echo "<FONT FACE=\"Arial,Helvetica\" COLOR=\"$color[8]\">Probable causes:</FONT><BR>";
170 echo "<FONT FACE=\"Arial,Helvetica\" COLOR=\"$color[8]\"><LI>This folder may contain subfolders. Delete all subfolders first</LI></FONT>";
171 exit;
172 } else if ($response == "BAD") {
173 echo "<B><FONT COLOR=FF0000>ERROR</FONT><FONT COLOR=CC0000>: Bad or malformed request.</B></FONT><BR><FONT COLOR=CC0000>&nbsp;&nbsp;<B>Server responded:</B> $message</FONT><BR><BR>";
174 exit;
175 }
8c7dfc99 176 }
54e3c1d8 177
178 /** Sends back two arrays, boxesFormatted and boxesUnformatted **/
7ce342dc 179 function getFolderList($imapConnection, &$boxes) {
180 require ("../config/config.php");
181
54e3c1d8 182 fputs($imapConnection, "1 list \"\" *\n");
d92b6f31 183 $str = imapReadData($imapConnection, "1", true, $response, $message);
54e3c1d8 184
d92b6f31 185 $dm = findMailboxDelimeter($imapConnection);
7ce342dc 186 $g = 0;
54e3c1d8 187 for ($i = 0;$i < count($str); $i++) {
188 $mailbox = chop($str[$i]);
7ce342dc 189 if (substr(findMailboxName($mailbox), 0, 1) != ".") {
190 $boxes[$g]["RAW"] = $mailbox;
d92b6f31 191
7ce342dc 192 $mailbox = findMailboxName($mailbox);
193 $periodCount = countCharInString($mailbox, $dm);
54e3c1d8 194
7ce342dc 195 // indent the correct number of spaces.
196 for ($j = 0;$j < $periodCount;$j++)
197 $boxes[$g]["FORMATTED"] = $boxes[$g]["FORMATTED"] . "&nbsp;&nbsp;";
54e3c1d8 198
7ce342dc 199 $boxes[$g]["FORMATTED"] = $boxes[$g]["FORMATTED"] . readShortMailboxName($mailbox, $dm);
200 $boxes[$g]["UNFORMATTED"] = $mailbox;
201 $boxes[$g]["ID"] = $g;
202 $g++;
203 }
54e3c1d8 204 }
7ce342dc 205
206 $original = $boxes;
207
208 for ($i = 0; $i < count($original); $i++) {
209 $boxes[$i]["UNFORMATTED"] = strtolower($boxes[$i]["UNFORMATTED"]);
210 }
211
212 $boxes = ary_sort($boxes, "UNFORMATTED", 1);
213
214 for ($i = 0; $i < count($original); $i++) {
215 for ($j = 0; $j < count($original); $j++) {
216 if ($boxes[$i]["ID"] == $original[$j]["ID"]) {
217 $boxes[$i]["UNFORMATTED"] = $original[$j]["UNFORMATTED"];
218 $boxes[$i]["FORMATTED"] = $original[$j]["FORMATTED"];
219 $boxes[$i]["RAW"] = $original[$j]["RAW"];
220 }
221 }
222 }
223
224 for ($i = 0; $i < count($boxes); $i++) {
225 if ($boxes[$i]["UNFORMATTED"] == $special_folders[0]) {
226 $boxesnew[0]["FORMATTED"] = $boxes[$i]["FORMATTED"];
227 $boxesnew[0]["UNFORMATTED"] = trim($boxes[$i]["UNFORMATTED"]);
228 $boxesnew[0]["RAW"] = trim($boxes[$i]["RAW"]);
229 $boxes[$i]["USED"] = true;
230 }
231 }
232 if ($list_special_folders_first == true) {
233 for ($i = 0; $i < count($boxes); $i++) {
234 for ($j = 1; $j < count($special_folders); $j++) {
235 if (substr($boxes[$i]["UNFORMATTED"], 0, strlen($special_folders[$j])) == $special_folders[$j]) {
236 $pos = count($boxesnew);
237 $boxesnew[$pos]["FORMATTED"] = $boxes[$i]["FORMATTED"];
238 $boxesnew[$pos]["RAW"] = trim($boxes[$i]["RAW"]);
239 $boxesnew[$pos]["UNFORMATTED"] = trim($boxes[$i]["UNFORMATTED"]);
240 $boxes[$i]["USED"] = true;
241 }
242 }
243 }
244 }
245 for ($i = 0; $i < count($boxes); $i++) {
246 if (($boxes[$i]["UNFORMATTED"] != $special_folders[0]) &&
247 ($boxes[$i]["UNFORMATTED"] != ".mailboxlist") &&
248 ($boxes[$i]["USED"] == false)) {
249 $pos = count($boxesnew);
250 $boxesnew[$pos]["FORMATTED"] = $boxes[$i]["FORMATTED"];
251 $boxesnew[$pos]["RAW"] = trim($boxes[$i]["RAW"]);
252 $boxesnew[$pos]["UNFORMATTED"] = trim($boxes[$i]["UNFORMATTED"]);
253 $boxes[$i]["USED"] = true;
254 }
255 }
256
257 $boxes = $boxesnew;
54e3c1d8 258 }
259
de80e95e 260 function deleteMessages($imapConnection, $a, $b, $numMessages, $trash_folder, $move_to_trash, $auto_expunge, $mailbox) {
261 /** check if they would like to move it to the trash folder or not */
262 if ($move_to_trash == true) {
263 $success = copyMessages($imapConnection, $a, $b, $trash_folder);
264 if ($success == true)
265 setMessageFlag($imapConnection, $a, $b, "Deleted");
266 } else {
267 setMessageFlag($imapConnection, $a, $b, "Deleted");
268 }
de80e95e 269 }
aceb0d5c 270 function stripComments($line) {
271 if (strpos($line, ";")) {
272 $line = substr($line, 0, strpos($line, ";"));
273 }
274
275 if (strpos($line, "(") && strpos($line, ")")) {
276 $full_line = $full_line . substr($line, 0, strpos($line, "("));
277 $full_line = $full_line . substr($line, strpos($line, ")")+1, strlen($line) - strpos($line, ")"));
278 } else {
279 $full_line = $line;
280 }
281 return $full_line;
282 }
3302d0d4 283?>