X-Git-Url: https://vcs.fsf.org/?p=squirrelmail.git;a=blobdiff_plain;f=functions%2Fimap_general.php;h=12a6c257072465bc35119c8d88e0b2a798ca4aac;hp=d7008e757c75982865c3020a047f060e4e93ca86;hb=9af8c23a59689e79183778c99c56e6058ebc09ea;hpb=8e8ebd27d1f42ed258a2bc0f3babeca5cd76f17a diff --git a/functions/imap_general.php b/functions/imap_general.php index d7008e75..12a6c257 100755 --- a/functions/imap_general.php +++ b/functions/imap_general.php @@ -1,371 +1,420 @@ $read
\n"; - flush(); - } - - - // If we know the size, no need to look at the end parameters - if ($size > 0) { - if ($total_size == $size) { - $data[] = $read; - $read = fgets($imap_stream, 9096); - while (!ereg("^$pre (OK|BAD|NO)(.*)$", $read, $regs)) { - $read = fgets($imap_stream, 9096); - } - $continue = false; - } else if ($total_size > $size) { - $difference = $total_size - $size; - $total_size = $total_size - strlen($read); - $read = substr ($read, 0, strlen($read)-$difference); - $data[] = $read; - $junk = fgets($imap_stream, 9096); - $continue = false; - } else { - $data[] = $read; - $read = fgets($imap_stream, 9096); +/** + * imap.php + * + * Copyright (c) 1999-2002 The SquirrelMail Project Team + * Licensed under the GNU GPL. For full terms see the file COPYING. + * + * This implements all functions that do general imap functions. + * + * $Id$ + */ + +require_once('../functions/page_header.php'); +require_once('../functions/display_messages.php'); + +/** + * Unique SessionId + * + * Sets an unique session id in order to avoid simultanous sessions crash. + * + * @return string a 4 chars unique string + */ + +global $sqimap_session_id; +$sqimap_session_id = 1; +function sqimap_session_id() { + + global $data_dir, $username, $sqimap_session_id; + + return( sprintf("A%03d", $sqimap_session_id++) ); +} + +/****************************************************************************** +** Both send a command and accept the result from the command. This is +** to allow proper session number handling. +******************************************************************************/ + +function sqimap_run_command_list ($imap_stream, $query, $handle_errors, &$response, &$message) { + $sid = sqimap_session_id(); + fputs ($imap_stream, $sid . ' ' . $query . "\r\n"); + $read = sqimap_read_data_list ($imap_stream, $sid, $handle_errors, $response, $message); + return $read; +} + +function sqimap_run_command ($imap_stream, $query, $handle_errors, &$response, &$message) { + $sid = sqimap_session_id(); + fputs ($imap_stream, $sid . ' ' . $query . "\r\n"); + $read = sqimap_read_data ($imap_stream, $sid, $handle_errors, $response, $message); + return $read; +} + + +/****************************************************************************** +** Reads the output from the IMAP stream. If handle_errors is set to true, +** this will also handle all errors that are received. If it is not set, +** the errors will be sent back through $response and $message +******************************************************************************/ + +function sqimap_read_data_list ($imap_stream, $pre, $handle_errors, + &$response, &$message) { + global $color, $squirrelmail_language; + + $read = ''; + $resultlist = array(); + + $more_msgs = true; + while ($more_msgs) { + $data = array(); + $total_size = 0; + while (strpos($read, "\n") === false) { + if(!($read .= fgets($imap_stream, 9096))) { + break; } - $total_size += strlen($read); - } else { - if (ereg("^$pre (OK|BAD|NO)(.*)$", $read, $regs)) { - $continue = false; + } + + if (ereg("^\\* [0-9]+ FETCH.*\\{([0-9]+)\\}", $read, $regs)) { + $size = $regs[1]; + } else if (ereg("^\\* [0-9]+ FETCH", $read, $regs)) { + // Sizeless response, probably single-line + $size = -1; + $data[] = $read; + $read = fgets($imap_stream, 9096); + } else { + $size = -1; + } + while (1) { + while (strpos($read, "\n") === false) { + if(!($read .= fgets($imap_stream, 9096))) { + break; + } + } + // If we know the size, no need to look at the end parameters + if ($size > 0) { + if ($total_size == $size) { + // We've reached the end of this 'message', switch to the next one. + $data[] = $read; + break; + } else if ($total_size > $size) { + $difference = $total_size - $size; + $total_size = $total_size - strlen($read); + $data[] = substr ($read, 0, strlen($read)-$difference); + $read = substr ($read, strlen($read)-$difference, strlen($read)); + break; + } else { + $data[] = $read; + $read = fgets($imap_stream, 9096); + while (strpos($read, "\n") === false) { + $read .= fgets($imap_stream, 9096); + } + } + $total_size += strlen($read); } else { - $data[] = $read; - $read = fgets ($imap_stream, 9096); + if (ereg("^$pre (OK|BAD|NO)(.*)", $read, $regs) || + (($size == -1) && ereg("^\\* [0-9]+ FETCH.*", $read, $regs))) { + break; + } else { + $data[] = $read; + $read = fgets ($imap_stream, 9096); + } } - } - } - - $response = $regs[1]; - $message = trim($regs[2]); - - if ($imap_general_debug) echo '--
'; - - if ($handle_errors == false) - return $data; - - if ($response == 'NO') { - // ignore this error from m$ exchange, it is not fatal (aka bug) - if (strstr($message, 'command resulted in') === false) { + } + + while (($more_msgs = !ereg("^$pre (OK|BAD|NO)(.*)$", $read, $regs)) && + !ereg("^\\* [0-9]+ FETCH.*", $read, $regs)) { + $read = fgets($imap_stream, 9096); + } + $resultlist[] = $data; + } + $response = $regs[1]; + $message = trim($regs[2]); + + if ($handle_errors == false) { return $resultlist; } + + if ($response == 'NO') { + // ignore this error from m$ exchange, it is not fatal (aka bug) + if (strstr($message, 'command resulted in') === false) { set_up_language($squirrelmail_language); - echo "
\n"; - echo _("ERROR : Could not complete request."); - echo "
\n"; - echo _("Reason Given: "); - echo $message . "

\n"; + echo "
\n" . + _("ERROR : Could not complete request.") . + "
\n" . + _("Reason Given: ") . + $message . "

\n"; exit; - } - } else if ($response == 'BAD') { - set_up_language($squirrelmail_language); - echo "
\n"; - echo _("ERROR : Bad or malformed request."); - echo "
\n"; - echo _("Server responded: "); - echo $message . "

\n"; - exit; - } - - return $data; - } - - /****************************************************************************** - ** Logs the user into the imap server. If $hide is set, no error messages - ** will be displayed. This function returns the imap connection handle. - ******************************************************************************/ - function sqimap_login ($username, $password, $imap_server_address, $imap_port, $hide) { - global $color, $squirrelmail_language, $HTTP_ACCEPT_LANGUAGE, $onetimepad; - - $imap_stream = fsockopen ($imap_server_address, $imap_port, - $error_number, $error_string, 15); - $server_info = fgets ($imap_stream, 1024); - - // Decrypt the password - $password = OneTimePadDecrypt($password, $onetimepad); - - /** Do some error correction **/ - if (!$imap_stream) { - if (!$hide) { + } + } else if ($response == 'BAD') { + set_up_language($squirrelmail_language); + echo "
\n" . + _("ERROR : Bad or malformed request.") . + "
\n" . + _("Server responded: ") . + $message . "

\n"; + exit; + } + return $resultlist; +} + +function sqimap_read_data ($imap_stream, $pre, $handle_errors, &$response, &$message) { + + $res = sqimap_read_data_list($imap_stream, $pre, $handle_errors, $response, $message); + return $res[0]; + +} + +/****************************************************************************** +** Logs the user into the imap server. If $hide is set, no error messages +** will be displayed. This function returns the imap connection handle. +******************************************************************************/ +function sqimap_login ($username, $password, $imap_server_address, $imap_port, $hide) { + + global $color, $squirrelmail_language, $HTTP_ACCEPT_LANGUAGE, $onetimepad; + + $imap_stream = fsockopen ( $imap_server_address, $imap_port, + $error_number, $error_string, 15); + if ( !$imap_stream ) { + return FALSE; + } + $server_info = fgets ($imap_stream, 1024); + + // Decrypt the password + $password = OneTimePadDecrypt($password, $onetimepad); + + /** Do some error correction **/ + if (!$imap_stream) { + if (!$hide) { set_up_language($squirrelmail_language, true); printf (_("Error connecting to IMAP server: %s.")."
\r\n", $imap_server_address); echo "$error_number : $error_string
\r\n"; - } - exit; - } + } + exit; + } - fputs ($imap_stream, "a001 LOGIN \"" . quotemeta($username) . - '" "' . quotemeta($password) . "\"\r\n"); - $read = sqimap_read_data ($imap_stream, 'a001', false, $response, $message); + $query = 'LOGIN "' . quoteIMAP($username) . '" "' . quoteIMAP($password) . '"'; + $read = sqimap_run_command ($imap_stream, $query, false, $response, $message); - /** If the connection was not successful, lets see why **/ - if ($response != "OK") { - if (!$hide) { + /** If the connection was not successful, lets see why **/ + if ($response != 'OK') { + if (!$hide) { if ($response != 'NO') { - // "BAD" and anything else gets reported here. - set_up_language($squirrelmail_language, true); - if ($response == 'BAD') + // "BAD" and anything else gets reported here. + set_up_language($squirrelmail_language, true); + if ($response == 'BAD') { printf (_("Bad request: %s")."
\r\n", $message); - else + } else { printf (_("Unknown error: %s") . "
\n", $message); - echo '
'; - echo _("Read data:") . "
\n"; - if (is_array($read)) - { - foreach ($read as $line) - { - echo htmlspecialchars($line) . "
\n"; - } - } - exit; + } + echo '
' . _("Read data:") . "
\n"; + if (is_array($read)) { + foreach ($read as $line) { + echo htmlspecialchars($line) . "
\n"; + } + } + exit; } else { - // If the user does not log in with the correct - // username and password it is not possible to get the - // correct locale from the user's preferences. - // Therefore, apply the same hack as on the login - // screen. - - // $squirrelmail_language is set by a cookie when - // the user selects language and logs out - - set_up_language($squirrelmail_language, true); - - ?> - - -
-
- - - - - - - -
- -
- -
-
-
-
-
- -
-
-
- - - \n"; + error_username_password_incorrect(); + session_destroy(); + exit; } - } else { + } else { exit; - } - } - - return $imap_stream; - } - + } + } + + return $imap_stream; +} - - - /****************************************************************************** - ** Simply logs out the imap session - ******************************************************************************/ - function sqimap_logout ($imap_stream) { - fputs ($imap_stream, "a001 LOGOUT\r\n"); - } +/* + * Simply logs out the imap session + */ +function sqimap_logout ($imap_stream) { + /* Logout is not valid until the server returns 'BYE' */ + sqimap_run_command($imap_stream, 'LOGOUT', false, $response, $message); +} function sqimap_capability($imap_stream, $capability) { - global $sqimap_capabilities; - global $imap_general_debug; - - if (!is_array($sqimap_capabilities)) { - fputs ($imap_stream, "a001 CAPABILITY\r\n"); - $read = sqimap_read_data($imap_stream, 'a001', true, $a, $b); - - $c = explode(' ', $read[0]); - for ($i=2; $i < count($c); $i++) { - $cap_list = explode('=', $c[$i]); - if (isset($cap_list[1])) - $sqimap_capabilities[$cap_list[0]] = $cap_list[1]; - else - $sqimap_capabilities[$cap_list[0]] = TRUE; - } - } - return $sqimap_capabilities[$capability]; + global $sqimap_capabilities; + + if (!is_array($sqimap_capabilities)) { + $read = sqimap_run_command($imap_stream, 'CAPABILITY', true, $a, $b); + + $c = explode(' ', $read[0]); + for ($i=2; $i < count($c); $i++) { + $cap_list = explode('=', $c[$i]); + if (isset($cap_list[1])) + $sqimap_capabilities[$cap_list[0]] = $cap_list[1]; + else + $sqimap_capabilities[$cap_list[0]] = TRUE; + } + } + if (! isset($sqimap_capabilities[$capability])) { + return false; + } else { + return $sqimap_capabilities[$capability]; + } } - /****************************************************************************** - ** Returns the delimeter between mailboxes: INBOX/Test, or INBOX.Test... - ******************************************************************************/ +/****************************************************************************** +** Returns the delimeter between mailboxes: INBOX/Test, or INBOX.Test... +******************************************************************************/ function sqimap_get_delimiter ($imap_stream = false) { - global $imap_general_debug; - global $sqimap_delimiter; - global $optional_delimiter; - /* Use configured delimiter if set */ - if((!empty($optional_delimiter)) && $optional_delimiter != "detect") { - return $optional_delimiter; - } - - /* Do some caching here */ + global $sqimap_delimiter; + global $optional_delimiter; + + /* Use configured delimiter if set */ + if((!empty($optional_delimiter)) && $optional_delimiter != 'detect') { + return $optional_delimiter; + } + + /* Do some caching here */ if (!$sqimap_delimiter) { - if (sqimap_capability($imap_stream, "NAMESPACE")) { - /* According to something that I can't find, this is supposed to work on all systems - OS: This won't work in Courier IMAP. - OS: According to rfc2342 response from NAMESPACE command is: - OS: * NAMESPACE (PERSONAL NAMESPACES) (OTHER_USERS NAMESPACE) (SHARED NAMESPACES) - OS: We want to lookup all personal NAMESPACES... - */ - fputs ($imap_stream, "a001 NAMESPACE\r\n"); - $read = sqimap_read_data($imap_stream, 'a001', true, $a, $b); - if (eregi('\\* NAMESPACE +(\\( *\\(.+\\) *\\)|NIL) +(\\( *\\(.+\\) *\\)|NIL) +(\\( *\\(.+\\) *\\)|NIL)', $read[0], $data)) { - if (eregi('^\\( *\\((.*)\\) *\\)', $data[1], $data2)) - $pn = $data2[1]; - $pna = explode(')(', $pn); - while (list($k, $v) = each($pna)) - { + if (sqimap_capability($imap_stream, 'NAMESPACE')) { + /* According to something that I can't find, this is supposed to work on all systems + OS: This won't work in Courier IMAP. + OS: According to rfc2342 response from NAMESPACE command is: + OS: * NAMESPACE (PERSONAL NAMESPACES) (OTHER_USERS NAMESPACE) (SHARED NAMESPACES) + OS: We want to lookup all personal NAMESPACES... + */ + $read = sqimap_run_command($imap_stream, 'NAMESPACE', true, $a, $b); + if (eregi('\\* NAMESPACE +(\\( *\\(.+\\) *\\)|NIL) +(\\( *\\(.+\\) *\\)|NIL) +(\\( *\\(.+\\) *\\)|NIL)', $read[0], $data)) { + if (eregi('^\\( *\\((.*)\\) *\\)', $data[1], $data2)) { + $pn = $data2[1]; + } + $pna = explode(')(', $pn); + while (list($k, $v) = each($pna)) { $lst = explode('"', $v); if (isset($lst[3])) { $pn[$lst[1]] = $lst[3]; } else { $pn[$lst[1]] = ''; } - } - } - $sqimap_delimiter = $pn[0]; - } else { - fputs ($imap_stream, ". LIST \"INBOX\" \"\"\r\n"); - $read = sqimap_read_data($imap_stream, '.', true, $a, $b); - $quote_position = strpos ($read[0], '"'); - $sqimap_delimiter = substr ($read[0], $quote_position+1, 1); - } - } - return $sqimap_delimiter; + } + } + $sqimap_delimiter = $pn[0]; + } else { + fputs ($imap_stream, ". LIST \"INBOX\" \"\"\r\n"); + $read = sqimap_read_data($imap_stream, '.', true, $a, $b); + $quote_position = strpos ($read[0], '"'); + $sqimap_delimiter = substr ($read[0], $quote_position+1, 1); + } + } + return $sqimap_delimiter; } - /****************************************************************************** - ** Gets the number of messages in the current mailbox. - ******************************************************************************/ - function sqimap_get_num_messages ($imap_stream, $mailbox) { - fputs ($imap_stream, "a001 EXAMINE \"$mailbox\"\r\n"); - $read_ary = sqimap_read_data ($imap_stream, 'a001', true, $result, $message); - for ($i = 0; $i < count($read_ary); $i++) { - if (ereg("[^ ]+ +([^ ]+) +EXISTS", $read_ary[$i], $regs)) { - return $regs[1]; - } - } - return "BUG! Couldn't get number of messages in $mailbox!"; - } +/* + * Gets the number of messages in the current mailbox. + */ +function sqimap_get_num_messages ($imap_stream, $mailbox) { - - /****************************************************************************** - ** Returns a displayable email address - ******************************************************************************/ - function sqimap_find_email ($string) { - /** Luke Ehresman - ** - ** lehresma@css.tayloru.edu - ** - ** What about - ** lehresma@css.tayloru.edu (Luke Ehresman) - **/ - - if (ereg("<([^>]+)>", $string, $regs)) { - $string = $regs[1]; - } - return trim($string); - } + $read_ary = sqimap_run_command ($imap_stream, "EXAMINE \"$mailbox\"", true, $result, $message); + for ($i = 0; $i < count($read_ary); $i++) { + if (ereg("[^ ]+ +([^ ]+) +EXISTS", $read_ary[$i], $regs)) { + return $regs[1]; + } + } + return sprintf( "BUG! Couldn't get number of messages in %s!", $mailbox ); + +} + + +/* +* Returns a displayable email address +*/ +function sqimap_find_email ($string) { + /** Luke Ehresman + ** + ** lehresma@css.tayloru.edu + ** + ** What about + ** lehresma@css.tayloru.edu (Luke Ehresman) + **/ + + if (ereg("<([^>]+)>", $string, $regs)) { + $string = $regs[1]; + } + return trim($string); +} + + +/* + * Takes the From: field, and creates a displayable name. + * Luke Ehresman + * "Luke Ehresman" + * lkehresman@yahoo.com (Luke Ehresman) + * becomes: Luke Ehresman + * + * becomes: lkehresman@yahoo.com + */ +function sqimap_find_displayable_name ($string) { + $string = trim($string); + + if ( ereg('^(.+)<.*>', $string, $regs) ) { + $orig_string = $string; + $string = str_replace ('"', '', $regs[1] ); + if (trim($string) == '') { + $string = sqimap_find_email($orig_string); + } + if( $string == '' || $string == ' ' ){ + $string = ' '; + } + } + elseif ( ereg('\((.*)\)', $string, $regs) ) { + if( ( $regs[1] == '' ) || ( $regs[1] == ' ' ) ){ + if ( ereg('^(.+) \(', $string, $regs) ) { + $string = ereg_replace( ' \(\)$', '', $string ); + } else { + $string = ' '; + } + } else { + $string = $regs[1]; + } + } + else { + $string = str_replace ('"', '', sqimap_find_email($string)); + } + return trim($string); +} + +/* +* Returns the number of unseen messages in this folder +*/ +function sqimap_unseen_messages ($imap_stream, $mailbox) { + //fputs ($imap_stream, sqimap_session_id() . " SEARCH UNSEEN NOT DELETED\r\n"); + $read_ary = sqimap_run_command ($imap_stream, "STATUS \"$mailbox\" (UNSEEN)", true, $result, $message); + ereg("UNSEEN ([0-9]+)", $read_ary[0], $regs); + return $regs[1]; +} + + +/* +* Saves a message to a given folder -- used for saving sent messages +*/ +function sqimap_append ($imap_stream, $sent_folder, $length) { + fputs ($imap_stream, sqimap_session_id() . " APPEND \"$sent_folder\" (\\Seen) \{$length}\r\n"); + $tmp = fgets ($imap_stream, 1024); +} + +function sqimap_append_done ($imap_stream) { + fputs ($imap_stream, "\r\n"); + $tmp = fgets ($imap_stream, 1024); +} - /****************************************************************************** - ** Takes the From: field, and creates a displayable name. - ** Luke Ehresman - ** becomes: Luke Ehresman - ** - ** becomes: lkehresman@yahoo.com - ******************************************************************************/ - function sqimap_find_displayable_name ($string) { - $string = ' '.trim($string); - $orig_string = $string; - if (strpos($string, '<') && strpos($string, '>')) { - if (strpos($string, '<') == 1) { - $string = sqimap_find_email($string); - } else { - $string = trim($string); - $string = substr($string, 0, strpos($string, '<')); - $string = ereg_replace ('"', '', $string); - } - - if (trim($string) == '') { - $string = sqimap_find_email($orig_string); - } - } - return $string; - } - - - /****************************************************************************** - ** Returns the number of unseen messages in this folder - ******************************************************************************/ - function sqimap_unseen_messages ($imap_stream, &$num_unseen, $mailbox) { - //fputs ($imap_stream, "a001 SEARCH UNSEEN NOT DELETED\r\n"); - fputs ($imap_stream, "a001 STATUS \"$mailbox\" (UNSEEN)\r\n"); - $read_ary = sqimap_read_data ($imap_stream, 'a001', true, $result, $message); - ereg("UNSEEN ([0-9]+)", $read_ary[0], $regs); - return $regs[1]; - } - - - /****************************************************************************** - ** Saves a message to a given folder -- used for saving sent messages - ******************************************************************************/ - function sqimap_append ($imap_stream, $sent_folder, $length) { - fputs ($imap_stream, "a001 APPEND \"$sent_folder\" (\\Seen) \{$length}\r\n"); - $tmp = fgets ($imap_stream, 1024); - } - - function sqimap_append_done ($imap_stream) { - fputs ($imap_stream, "\r\n"); - $tmp = fgets ($imap_stream, 1024); - } ?>