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- {==============================================================================|
- | Project : Delphree - Synapse | 002.001.000 |
- |==============================================================================|
- | Content: IMAP4rev1 client |
- |==============================================================================|
- | Copyright (c)1999-2002, Lukas Gebauer |
- | All rights reserved. |
- | |
- | Redistribution and use in source and binary forms, with or without |
- | modification, are permitted provided that the following conditions are met: |
- | |
- | Redistributions of source code must retain the above copyright notice, this |
- | list of conditions and the following disclaimer. |
- | |
- | Redistributions in binary form must reproduce the above copyright notice, |
- | this list of conditions and the following disclaimer in the documentation |
- | and/or other materials provided with the distribution. |
- | |
- | Neither the name of Lukas Gebauer nor the names of its contributors may |
- | be used to endorse or promote products derived from this software without |
- | specific prior written permission. |
- | |
- | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
- | AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
- | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
- | ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR |
- | ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
- | DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
- | SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
- | CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
- | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
- | OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH |
- | DAMAGE. |
- |==============================================================================|
- | The Initial Developer of the Original Code is Lukas Gebauer (Czech Republic).|
- | Portions created by Lukas Gebauer are Copyright (c)2001-2002. |
- | All Rights Reserved. |
- |==============================================================================|
- | Contributor(s): |
- |==============================================================================|
- | History: see HISTORY.HTM from distribution package |
- | (Found at URL: http://www.ararat.cz/synapse/) |
- |==============================================================================}
-
- {$WEAKPACKAGEUNIT ON}
-
- //RFC-2060
- //RFC-2595
-
- unit IMAPsend;
-
- interface
-
- uses
- SysUtils, Classes,
- blcksock, SynaUtil, SynaCode;
-
- const
- cIMAPProtocol = '143';
-
- type
- TIMAPSend = class(TSynaClient)
- private
- FSock: TTCPBlockSocket;
- FTagCommand: integer;
- FResultString: string;
- FFullResult: TStringList;
- FIMAPcap: TStringList;
- FUsername: string;
- FPassword: string;
- FAuthDone: Boolean;
- FSelectedFolder: string;
- FSelectedCount: integer;
- FSelectedRecent: integer;
- FSelectedUIDvalidity: integer;
- FUID: Boolean;
- FAutoTLS: Boolean;
- FFullSSL: Boolean;
- function ReadResult: string;
- function AuthLogin: Boolean;
- function Connect: Boolean;
- procedure ParseMess(Value:TStrings);
- procedure ParseFolderList(Value:TStrings);
- procedure ParseSelect;
- procedure ParseSearch(Value:TStrings);
- public
- constructor Create;
- destructor Destroy; override;
- function IMAPcommand(Value: string): string;
- function IMAPuploadCommand(Value: string; const Data:TStrings): string;
- function Capability: Boolean;
- function Login: Boolean;
- procedure Logout;
- function NoOp: Boolean;
- function List(FromFolder: string; const FolderList: TStrings): Boolean;
- function ListSubscribed(FromFolder: string; const FolderList: TStrings): Boolean;
- function CreateFolder(FolderName: string): Boolean;
- function DeleteFolder(FolderName: string): Boolean;
- function RenameFolder(FolderName, NewFolderName: string): Boolean;
- function SubscribeFolder(FolderName: string): Boolean;
- function UnsubscribeFolder(FolderName: string): Boolean;
- function SelectFolder(FolderName: string): Boolean;
- function SelectROFolder(FolderName: string): Boolean;
- function CloseFolder: Boolean;
- function StatusFolder(FolderName, Value: string): integer;
- function ExpungeFolder: Boolean;
- function CheckFolder: Boolean;
- function AppendMess(ToFolder: string; const Mess: TStrings): Boolean;
- function DeleteMess(MessID: integer): boolean;
- function FetchMess(MessID: integer; const Mess: TStrings): Boolean;
- function FetchHeader(MessID: integer; const Headers: TStrings): Boolean;
- function MessageSize(MessID: integer): integer;
- function CopyMess(MessID: integer; ToFolder: string): Boolean;
- function SearchMess(Criteria: string; const FoundMess: TStrings): Boolean;
- function SetFlagsMess(MessID: integer; Flags: string): Boolean;
- function GetFlagsMess(MessID: integer; var Flags: string): Boolean;
- function StartTLS: Boolean;
- function FindCap(const Value: string): string;
- published
- property ResultString: string read FResultString;
- property FullResult: TStringList read FFullResult;
- property IMAPcap: TStringList read FIMAPcap;
- property Username: string read FUsername Write FUsername;
- property Password: string read FPassword Write FPassword;
- property AuthDone: Boolean read FAuthDone;
- property UID: Boolean read FUID Write FUID;
- property Sock: TTCPBlockSocket read FSock;
- property SelectedFolder: string read FSelectedFolder;
- property SelectedCount: integer read FSelectedCount;
- property SelectedRecent: integer read FSelectedRecent;
- property SelectedUIDvalidity: integer read FSelectedUIDvalidity;
- property AutoTLS: Boolean read FAutoTLS Write FAutoTLS;
- property FullSSL: Boolean read FFullSSL Write FFullSSL;
- end;
-
- implementation
-
- const
- CRLF = #13#10;
-
- constructor TIMAPSend.Create;
- begin
- inherited Create;
- FFullResult := TStringList.Create;
- FIMAPcap := TStringList.Create;
- FSock := TTCPBlockSocket.Create;
- FSock.CreateSocket;
- FSock.SizeRecvBuffer := 32768;
- FSock.SizeSendBuffer := 32768;
- FSock.ConvertLineEnd := True;
- FTimeout := 300000;
- FTargetPort := cIMAPProtocol;
- FUsername := '';
- FPassword := '';
- FTagCommand := 0;
- FSelectedFolder := '';
- FSelectedCount := 0;
- FSelectedRecent := 0;
- FSelectedUIDvalidity := 0;
- FUID := False;
- FAutoTLS := False;
- FFullSSL := False;
- end;
-
- destructor TIMAPSend.Destroy;
- begin
- FSock.Free;
- FIMAPcap.Free;
- FFullResult.Free;
- inherited Destroy;
- end;
-
-
- function TIMAPSend.ReadResult: string;
- var
- s: string;
- x, l: integer;
- begin
- Result := '';
- FFullResult.Clear;
- FResultString := '';
- repeat
- s := FSock.RecvString(FTimeout);
- if Pos('S' + IntToStr(FTagCommand) + ' ', s) = 1 then
- begin
- FResultString := s;
- break;
- end
- else
- FFullResult.Add(s);
- if (s <> '') and (s[Length(s)]='}') then
- begin
- s := Copy(s, 1, Length(s) - 1);
- x := RPos('{', s);
- s := Copy(s, x + 1, Length(s) - x);
- l := StrToIntDef(s, -1);
- if l <> -1 then
- begin
- setlength(s, l);
- x := FSock.recvbufferex(PChar(s), l, FTimeout);
- SetLength(s, x);
- FFullResult.Add(s);
- end;
- end;
- until FSock.LastError <> 0;
- s := separateright(FResultString, ' ');
- Result:=uppercase(separateleft(s, ' '));
- end;
-
- function TIMAPSend.IMAPcommand(Value: string): string;
- begin
- Inc(FTagCommand);
- FSock.SendString('S' + IntToStr(FTagCommand) + ' ' + Value + CRLF);
- Result := ReadResult;
- end;
-
- function TIMAPSend.IMAPuploadCommand(Value: string; const Data:TStrings): string;
- var
- l: integer;
- begin
- Inc(FTagCommand);
- l := Length(Data.Text);
- FSock.SendString(IntToStr(FTagCommand) + ' ' + Value + ' {'+ IntToStr(l) + '}' + CRLF);
- FSock.SendString(Data.Text + CRLF);
- Result := ReadResult;
- end;
-
- procedure TIMAPSend.ParseMess(Value:TStrings);
- var
- n: integer;
- begin
- Value.Clear;
- for n := 0 to FFullResult.Count - 2 do
- if FFullResult[n][Length(FFullResult[n])] = '}' then
- begin
- Value.Text := FFullResult[n + 1];
- Break;
- end;
- end;
-
- procedure TIMAPSend.ParseFolderList(Value:TStrings);
- var
- n, x: integer;
- s: string;
- begin
- Value.Clear;
- for n := 0 to FFullResult.Count - 1 do
- begin
- s := FFullResult[n];
- x := RPos(' ', s);
- if (x > 0) and (Pos('NOSELECT', UpperCase(s)) = 0) then
- Value.Add(Copy(s, x + 1, Length(s) - x));
- end;
- end;
-
- procedure TIMAPSend.ParseSelect;
- var
- n: integer;
- s, t: string;
- begin
- FSelectedCount := 0;
- FSelectedRecent := 0;
- FSelectedUIDvalidity := 0;
- for n := 0 to FFullResult.Count - 1 do
- begin
- s := uppercase(FFullResult[n]);
- if Pos(' EXISTS', s) > 0 then
- begin
- t := separateleft(s, ' EXISTS');
- t := separateright(t, '* ');
- FSelectedCount := StrToIntDef(t, 0);
- end;
- if Pos(' RECENT', s) > 0 then
- begin
- t := separateleft(s, ' RECENT');
- t := separateright(t, '* ');
- FSelectedRecent := StrToIntDef(t, 0);
- end;
- if Pos('UIDVALIDITY', s) > 0 then
- begin
- t := separateright(s, 'UIDVALIDITY ');
- t := separateleft(t, ']');
- FSelectedUIDvalidity := StrToIntDef(t, 0);
- end;
- end;
- end;
-
- procedure TIMAPSend.ParseSearch(Value:TStrings);
- var
- n: integer;
- s: string;
- begin
- Value.Clear;
- for n := 0 to FFullResult.Count - 1 do
- begin
- s := uppercase(FFullResult[n]);
- if Pos('* SEARCH', s) = 1 then
- begin
- s := SeparateRight(s, '* SEARCH');
- while s <> '' do
- Value.Add(Fetch(s, ' '));
- end;
- end;
- end;
-
- function TIMAPSend.FindCap(const Value: string): string;
- var
- n: Integer;
- s: string;
- begin
- s := UpperCase(Value);
- Result := '';
- for n := 0 to FIMAPcap.Count - 1 do
- if Pos(s, UpperCase(FIMAPcap[n])) = 1 then
- begin
- Result := FIMAPcap[n];
- Break;
- end;
- end;
-
- function TIMAPSend.AuthLogin: Boolean;
- begin
- Result := IMAPcommand('LOGIN ' + FUsername + ' ' + FPassword) = 'OK';
- end;
-
- function TIMAPSend.Connect: Boolean;
- begin
- FSock.CloseSocket;
- FSock.CreateSocket;
- if FFullSSL then
- FSock.SSLEnabled := True;
- FSock.Bind(FIPInterface, cAnyPort);
- FSock.Connect(FTargetHost, FTargetPort);
- Result := FSock.LastError = 0;
- end;
-
- function TIMAPSend.Capability: Boolean;
- var
- n: Integer;
- s, t: string;
- begin
- Result := False;
- FIMAPcap.Clear;
- s := IMAPcommand('CAPABILITY');
- if s = 'OK' then
- begin
- for n := 0 to FFullResult.Count - 1 do
- if Pos('* CAPABILITY ', FFullResult[n]) = 1 then
- begin
- s := SeparateRight(FFullResult[n], '* CAPABILITY ');
- while not (s = '') do
- begin
- t := separateleft(s, ' ');
- s := separateright(s, ' ');
- if s = t then
- s := '';
- FIMAPcap.Add(t);
- end;
- end;
- Result := True;
- end;
- end;
-
- function TIMAPSend.Login: Boolean;
- var
- s: string;
- begin
- FSelectedFolder := '';
- FSelectedCount := 0;
- FSelectedRecent := 0;
- FSelectedUIDvalidity := 0;
- Result := False;
- FAuthDone := False;
- if not Connect then
- Exit;
- s := FSock.RecvString(FTimeout);
- if Pos('* PREAUTH', s) = 1 then
- FAuthDone := True
- else
- if Pos('* OK', s) = 1 then
- FAuthDone := False
- else
- Exit;
- if Capability then
- begin
- if Findcap('IMAP4rev1') = '' then
- Exit;
- if FAutoTLS and (Findcap('STARTTLS') <> '') then
- if StartTLS then
- Capability;
- end;
- Result := AuthLogin;
- end;
-
- procedure TIMAPSend.Logout;
- begin
- IMAPcommand('LOGOUT');
- FSelectedFolder := '';
- FSock.CloseSocket;
- end;
-
- function TIMAPSend.NoOp: Boolean;
- begin
- Result := IMAPcommand('NOOP') = 'OK';
- end;
-
- function TIMAPSend.List(FromFolder: string; const FolderList: TStrings): Boolean;
- begin
- Result := IMAPcommand('LIST "' + FromFolder + '" *') = 'OK';
- ParseFolderList(FolderList);
- end;
-
- function TIMAPSend.ListSubscribed(FromFolder: string; const FolderList: TStrings): Boolean;
- begin
- Result := IMAPcommand('LSUB "' + FromFolder + '" *') = 'OK';
- ParseFolderList(FolderList);
- end;
-
- function TIMAPSend.CreateFolder(FolderName: string): Boolean;
- begin
- Result := IMAPcommand('CREATE "' + FolderName + '"') = 'OK';
- end;
-
- function TIMAPSend.DeleteFolder(FolderName: string): Boolean;
- begin
- Result := IMAPcommand('DELETE "' + FolderName + '"') = 'OK';
- end;
-
- function TIMAPSend.RenameFolder(FolderName, NewFolderName: string): Boolean;
- begin
- Result := IMAPcommand('RENAME "' + FolderName + '" "' + NewFolderName + '"') = 'OK';
- end;
-
- function TIMAPSend.SubscribeFolder(FolderName: string): Boolean;
- begin
- Result := IMAPcommand('SUBSCRIBE "' + FolderName + '"') = 'OK';
- end;
-
- function TIMAPSend.UnsubscribeFolder(FolderName: string): Boolean;
- begin
- Result := IMAPcommand('UNSUBSCRIBE "' + FolderName + '"') = 'OK';
- end;
-
- function TIMAPSend.SelectFolder(FolderName: string): Boolean;
- begin
- Result := IMAPcommand('SELECT "' + FolderName + '"') = 'OK';
- FSelectedFolder := FolderName;
- ParseSelect;
- end;
-
- function TIMAPSend.SelectROFolder(FolderName: string): Boolean;
- begin
- Result := IMAPcommand('EXAMINE "' + FolderName + '"') = 'OK';
- FSelectedFolder := FolderName;
- ParseSelect;
- end;
-
- function TIMAPSend.CloseFolder: Boolean;
- begin
- Result := IMAPcommand('CLOSE') = 'OK';
- FSelectedFolder := '';
- end;
-
- function TIMAPSend.StatusFolder(FolderName, Value: string): integer;
- var
- n: integer;
- s, t: string;
- begin
- Result := -1;
- Value := Uppercase(Value);
- if IMAPcommand('STATUS "' + FolderName + '" (' + Value + ')' ) = 'OK' then
- for n := 0 to FFullResult.Count - 1 do
- begin
- s := UpperCase(FFullResult[n]);
- if (Pos('* STATUS ', s) = 1) and (Pos(Value, s) > 0 ) then
- begin
- t := SeparateRight(s, Value);
- t := SeparateLeft(t, ')');
- t := trim(t);
- Result := StrToIntDef(t, -1);
- Break;
- end;
- end;
- end;
-
- function TIMAPSend.ExpungeFolder: Boolean;
- begin
- Result := IMAPcommand('EXPUNGE') = 'OK';
- end;
-
- function TIMAPSend.CheckFolder: Boolean;
- begin
- Result := IMAPcommand('CHECK') = 'OK';
- end;
-
- function TIMAPSend.AppendMess(ToFolder: string; const Mess: TStrings): Boolean;
- begin
- Result := IMAPuploadCommand('APPEND "' + ToFolder + '"', Mess) = 'OK';
- end;
-
- function TIMAPSend.DeleteMess(MessID: integer): boolean;
- var
- s: string;
- begin
- s := 'STORE ' + IntToStr(MessID) + ' +FLAGS.SILENT (\Deleted)';
- if FUID then
- s := 'UID ' + s;
- Result := IMAPcommand(s) = 'OK';
- end;
-
- function TIMAPSend.FetchMess(MessID: integer; const Mess: TStrings): Boolean;
- var
- s: string;
- begin
- s := 'FETCH ' + IntToStr(MessID) + ' (RFC822)';
- if FUID then
- s := 'UID ' + s;
- Result := IMAPcommand(s) = 'OK';
- ParseMess(Mess);
- end;
-
- function TIMAPSend.FetchHeader(MessID: integer; const Headers: TStrings): Boolean;
- var
- s: string;
- begin
- s := 'FETCH ' + IntToStr(MessID) + ' (RFC822.HEADER)';
- if FUID then
- s := 'UID ' + s;
- Result := IMAPcommand(s) = 'OK';
- ParseMess(Headers);
- end;
-
- function TIMAPSend.MessageSize(MessID: integer): integer;
- var
- n: integer;
- s, t: string;
- begin
- Result := -1;
- s := 'FETCH ' + IntToStr(MessID) + ' (RFC822.SIZE)';
- if FUID then
- s := 'UID ' + s;
- if IMAPcommand(s) = 'OK' then
- for n := 0 to FFullResult.Count - 1 do
- begin
- s := UpperCase(FFullResult[n]);
- if (Pos('* ', s) = 1) and (Pos('RFC822.SIZE', s) > 0 ) then
- begin
- t := SeparateRight(s, 'RFC822.SIZE ');
- t := SeparateLeft(t, ')');
- t := trim(t);
- Result := StrToIntDef(t, -1);
- Break;
- end;
- end;
- end;
-
- function TIMAPSend.CopyMess(MessID: integer; ToFolder: string): Boolean;
- var
- s: string;
- begin
- s := 'COPY ' + IntToStr(MessID) + ' "' + ToFolder + '"';
- if FUID then
- s := 'UID ' + s;
- Result := IMAPcommand(s) = 'OK';
- end;
-
- function TIMAPSend.SearchMess(Criteria: string; const FoundMess: TStrings): Boolean;
- var
- s: string;
- begin
- s := 'SEARCH ' + Criteria;
- if FUID then
- s := 'UID ' + s;
- Result := IMAPcommand(s) = 'OK';
- ParseSearch(FoundMess);
- end;
-
- function TIMAPSend.SetFlagsMess(MessID: integer; Flags: string): Boolean;
- var
- s: string;
- begin
- s := 'STORE ' + IntToStr(MessID) + ' FLAGS.SILENT (' + Flags + ')';
- if FUID then
- s := 'UID ' + s;
- Result := IMAPcommand(s) = 'OK';
- end;
-
- function TIMAPSend.GetFlagsMess(MessID: integer; var Flags: string): Boolean;
- var
- s: string;
- n: integer;
- begin
- Flags := '';
- s := 'FETCH ' + IntToStr(MessID) + ' (FLAGS)';
- if FUID then
- s := 'UID ' + s;
- Result := IMAPcommand(s) = 'OK';
- for n := 0 to FFullResult.Count - 1 do
- begin
- s := uppercase(FFullResult[n]);
- if Pos('* FETCH (FLAGS', s) = 1 then
- begin
- s := SeparateRight(s, 'FLAGS');
- s := Separateright(s, '(');
- Flags := SeparateLeft(s, ')');
- end;
- end;
- end;
-
- function TIMAPSend.StartTLS: Boolean;
- begin
- Result := False;
- if FindCap('STARTTLS') <> '' then
- begin
- if IMAPcommand('STARTTLS') = 'OK' then
- begin
- Fsock.SSLDoConnect;
- Result := FSock.LastError = 0;
- end;
- end;
- end;
-
- {==============================================================================}
-
- end.
-