/usr/share/ada/adainclude/aws/aws-pop.ads is in libaws3.3.2-dev 3.3.2-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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-- Ada Web Server --
-- --
-- Copyright (C) 2003-2012, AdaCore --
-- --
-- This library is free software; you can redistribute it and/or modify --
-- it under terms of the GNU General Public License as published by the --
-- Free Software Foundation; either version 3, or (at your option) any --
-- later version. This library is distributed in the hope that it will be --
-- useful, but WITHOUT ANY WARRANTY; without even the implied warranty of --
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. --
-- --
-- As a special exception under Section 7 of GPL version 3, you are --
-- granted additional permissions described in the GCC Runtime Library --
-- Exception, version 3.1, as published by the Free Software Foundation. --
-- --
-- You should have received a copy of the GNU General Public License and --
-- a copy of the GCC Runtime Library Exception along with this program; --
-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
-- <http://www.gnu.org/licenses/>. --
-- --
-- As a special exception, if other files instantiate generics from this --
-- unit, or you link this unit with other files to produce an executable, --
-- this unit does not by itself cause the resulting executable to be --
-- covered by the GNU General Public License. This exception does not --
-- however invalidate any other reasons why the executable file might be --
-- covered by the GNU Public License. --
------------------------------------------------------------------------------
with Ada.Finalization;
with Ada.Strings.Unbounded;
with AWS.Headers;
with AWS.Net.Std;
with AWS.Resources.Streams;
with AWS.Utils;
package AWS.POP is
use Ada.Strings.Unbounded;
POP_Error : exception;
-- Raised by all routines when an error has been detected
-------------
-- Mailbox --
-------------
Default_POP_Port : constant := 110;
type Mailbox is private;
type Authenticate_Mode is (Clear_Text, APOP);
function Initialize
(Server_Name : String;
User : String;
Password : String;
Authenticate : Authenticate_Mode := Clear_Text;
Port : Positive := Default_POP_Port) return Mailbox;
-- Connect on the given Port to Server_Name and open User's Mailbox. This
-- mailbox object will be used to retrieve messages.
procedure Close (Mailbox : POP.Mailbox);
-- Close mailbox
function User_Name (Mailbox : POP.Mailbox) return String;
-- Returns User's name for this mailbox
function Message_Count (Mailbox : POP.Mailbox) return Natural;
-- Returns the number of messages in the user's mailbox
function Size (Mailbox : POP.Mailbox) return Natural;
-- Returns the total size in bytes of the user's mailbox
-------------
-- Message --
-------------
type Message is tagged private;
function Get
(Mailbox : POP.Mailbox;
N : Positive;
Remove : Boolean := False) return Message;
-- Retrieve Nth message from the mailbox, let the message on the mailbox
-- if Remove is False.
procedure Delete
(Mailbox : POP.Mailbox;
N : Positive);
-- Detele message number N from the mailbox
function Get_Header
(Mailbox : POP.Mailbox;
N : Positive) return Message;
-- Retrieve headers for the Nth message from the mailbox, let the message
-- on the mailbox. This is useful to build a quick summary of the mailbox.
generic
with procedure Action
(Message : POP.Message;
Index : Positive;
Quit : in out Boolean);
procedure For_Every_Message
(Mailbox : POP.Mailbox;
Remove : Boolean := False);
-- Calls Action for each message read on the mailbox, delete the message
-- from the mailbox if Remove is True. Set Quit to True to stop the
-- iterator. Index is the mailbox's message index.
generic
with procedure Action
(Message : POP.Message;
Index : Positive;
Quit : in out Boolean);
procedure For_Every_Message_Header (Mailbox : POP.Mailbox);
-- Calls Action for each message read on the mailbox. Only the headers are
-- read from the mailbox. Set Quit to True to stop the iterator. Index is
-- the mailbox's message index.
function Size (Message : POP.Message) return Natural;
-- Returns the message size in bytes
function Content (Message : POP.Message) return Unbounded_String;
-- Returns message's content as an Unbounded_String. Each line are
-- separated by CR+LF characters.
function From (Message : POP.Message) return String;
-- Returns From header value
function To (Message : POP.Message; N : Natural := 0) return String;
-- Returns the To header value. If N = 0 returns all recipients separated
-- by a coma otherwise it returns the Nth To recipient.
function To_Count (Message : POP.Message) return Natural;
-- Returns the number of To recipient for Message. returns 0 if there is
-- no To for this message.
function CC (Message : POP.Message; N : Natural := 0) return String;
-- Retruns the CC header value. If N = 0 returns all recipients separated
-- by a coma otherwise it returns the Nth CC recipient.
function CC_Count (Message : POP.Message) return Natural;
-- Returns the number of CC recipient for Message. Returns 0 if there is
-- no CC for this message.
function Subject (Message : POP.Message) return String;
-- Returns Subject header value
function Date (Message : POP.Message) return String;
-- Returns Date header value
function Header
(Message : POP.Message;
Header : String) return String;
-- Returns header value for header named Header, returns the empty string
-- if such header does not exist.
----------------
-- Attachment --
----------------
type Attachment is private;
function Attachment_Count (Message : POP.Message) return Natural;
-- Returns the number of Attachments into Message
function Get
(Message : POP.Message'Class;
Index : Positive) return Attachment;
-- Returns the Nth Attachment for Message, Raises Constraint_Error if
-- there is not such attachment.
generic
with procedure Action
(Attachment : POP.Attachment;
Index : Positive;
Quit : in out Boolean);
procedure For_Every_Attachment (Message : POP.Message);
-- Calls action for every Attachment in Message. Stop iterator if Quit is
-- set to True, Quit is set to False by default.
function Content
(Attachment : POP.Attachment)
return AWS.Resources.Streams.Stream_Access;
-- Returns Attachment's content as a memory stream. Note that the stream
-- has already been decoded. Most attachments are MIME Base64 encoded.
function Content (Attachment : POP.Attachment) return Unbounded_String;
-- Returns Attachment's content as an Unbounded_String. This routine must
-- only be used for non file attachments. Raises Constraint_Error if
-- called for a file attachment.
function Filename (Attachment : POP.Attachment) return String;
-- Returns the Attachment filename or the empty string if it is not a file
-- but an embedded message.
function Is_File (Attachment : POP.Attachment) return Boolean;
-- Returns True if Attachment is a file
procedure Write (Attachment : POP.Attachment; Directory : String);
-- Writes Attachment's file content into Directory. This must only be used
-- for a file attachment.
private
use Ada;
-------------
-- Mailbox --
-------------
type Mailbox is record
Sock : Net.Std.Socket_Type;
Name : Unbounded_String;
User_Name : Unbounded_String;
Message_Count : Natural;
Size : Natural;
end record;
type Attachment_Access is access Attachment;
-------------
-- Message --
-------------
type Message is new Finalization.Controlled with record
Ref_Count : AWS.Utils.Counter_Access;
Size : Natural;
Headers : AWS.Headers.List;
Content : Unbounded_String;
Attachments : Attachment_Access;
Last : Attachment_Access;
end record;
overriding procedure Initialize (Message : in out POP.Message);
overriding procedure Adjust (Message : in out POP.Message);
overriding procedure Finalize (Message : in out POP.Message);
----------------
-- Attachment --
----------------
type Attachment is new Finalization.Controlled with record
Ref_Count : AWS.Utils.Counter_Access;
Headers : AWS.Headers.List;
Content : AWS.Resources.Streams.Stream_Access;
Filename : Unbounded_String;
Next : Attachment_Access;
end record;
overriding procedure Initialize (Attachment : in out POP.Attachment);
overriding procedure Adjust (Attachment : in out POP.Attachment);
overriding procedure Finalize (Attachment : in out POP.Attachment);
end AWS.POP;
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