Code:
/ Net / Net / 3.5.50727.3053 / DEVDIV / depot / DevDiv / releases / whidbey / netfxsp / ndp / fx / src / Net / System / Net / Mail / Message.cs / 5 / Message.cs
using System;
using System.Collections.Specialized;
using System.Net.Mime;
using System.Text;
using System.IO;
namespace System.Net.Mail
{
///
/// Summary description for Message.
///
public enum MailPriority {
Normal = 0,
Low = 1,
High = 2
}
internal class Message
{
MailAddress from;
MailAddress sender;
MailAddress replyTo;
MailAddressCollection to;
MailAddressCollection cc;
MailAddressCollection bcc;
MimeBasePart content;
HeaderCollection headers;
HeaderCollection envelopeHeaders;
string subject;
Encoding subjectEncoding;
MailPriority priority = (MailPriority)(-1);
internal Message() {
}
internal Message(string from, string to):this() {
if (from == null)
throw new ArgumentNullException("from");
if (to == null)
throw new ArgumentNullException("to");
if (from == String.Empty)
throw new ArgumentException(SR.GetString(SR.net_emptystringcall,"from"), "from");
if (to == String.Empty)
throw new ArgumentException(SR.GetString(SR.net_emptystringcall,"to"), "to");
this.from = new MailAddress(from);
MailAddressCollection collection = new MailAddressCollection();
collection.Add(to);
this.to = collection;
}
internal Message(MailAddress from, MailAddress to):this() {
this.from = from;
this.To.Add(to);
}
public MailPriority Priority{
get {
return (((int)priority == -1)?MailPriority.Normal:priority);
}
set{
priority = value;
}
}
internal MailAddress From {
get {
return from;
}
set {
if (value == null) {
throw new ArgumentNullException("value");
}
from = value;
}
}
internal MailAddress Sender {
get {
return sender;
}
set {
sender = value;
}
}
internal MailAddress ReplyTo {
get {
return replyTo;
}
set {
replyTo = value;
}
}
internal MailAddressCollection To {
get {
if (to == null)
to = new MailAddressCollection();
return to;
}
}
internal MailAddressCollection Bcc {
get {
if (bcc == null)
bcc = new MailAddressCollection();
return bcc;
}
}
internal MailAddressCollection CC {
get {
if (cc == null)
cc = new MailAddressCollection();
return cc;
}
}
internal string Subject {
get {
return subject;
}
set {
if (value != null && MailBnfHelper.HasCROrLF(value)) {
throw new ArgumentException(SR.GetString(SR.MailSubjectInvalidFormat));
}
subject = value;
if (subject != null && subjectEncoding == null && !MimeBasePart.IsAscii(subject,false)) {
subjectEncoding = Encoding.GetEncoding(MimeBasePart.defaultCharSet);
}
}
}
internal Encoding SubjectEncoding {
get {
return subjectEncoding;
}
set {
subjectEncoding = value;
}
}
internal NameValueCollection Headers {
get {
if (headers == null) {
headers = new HeaderCollection();
if(Logging.On)Logging.Associate(Logging.Web, this, headers);
}
return headers;
}
}
internal NameValueCollection EnvelopeHeaders {
get {
if (envelopeHeaders == null) {
envelopeHeaders = new HeaderCollection();
if(Logging.On)Logging.Associate(Logging.Web, this, envelopeHeaders);
}
return envelopeHeaders;
}
}
internal virtual MimeBasePart Content {
get {
return content;
}
set {
if (value == null) {
throw new ArgumentNullException("value");
}
/* if (value is MimeEmbeddedMessagePart) {
throw new ArgumentException("value");
}
*/
content = value;
}
}
internal void EmptySendCallback(IAsyncResult result)
{
Exception e = null;
if(result.CompletedSynchronously){
return;
}
EmptySendContext context = (EmptySendContext)result.AsyncState;
try{
context.writer.EndGetContentStream(result).Close();
}
catch(Exception ex){
e = ex;
}
catch {
e = new Exception(SR.GetString(SR.net_nonClsCompliantException));
}
context.result.InvokeCallback(e);
}
internal class EmptySendContext {
internal EmptySendContext(BaseWriter writer, LazyAsyncResult result) {
this.writer = writer;
this.result = result;
}
internal LazyAsyncResult result;
internal BaseWriter writer;
}
internal virtual IAsyncResult BeginSend(BaseWriter writer, bool sendEnvelope, AsyncCallback callback, object state) {
PrepareHeaders(sendEnvelope);
writer.WriteHeaders(Headers);
if (Content != null) {
return Content.BeginSend(writer, callback, state);
}
else{
LazyAsyncResult result = new LazyAsyncResult(this,state,callback);
IAsyncResult newResult = writer.BeginGetContentStream(EmptySendCallback, new EmptySendContext(writer,result));
if(newResult.CompletedSynchronously){
writer.EndGetContentStream(newResult).Close();
}
return result;
}
}
internal virtual void EndSend(IAsyncResult asyncResult){
if (asyncResult == null) {
throw new ArgumentNullException("asyncResult");
}
if (Content != null) {
Content.EndSend(asyncResult);
}
else{
LazyAsyncResult castedAsyncResult = asyncResult as LazyAsyncResult;
if (castedAsyncResult == null || castedAsyncResult.AsyncObject != this) {
throw new ArgumentException(SR.GetString(SR.net_io_invalidasyncresult));
}
if (castedAsyncResult.EndCalled) {
throw new InvalidOperationException(SR.GetString(SR.net_io_invalidendcall, "EndSend"));
}
castedAsyncResult.InternalWaitForCompletion();
castedAsyncResult.EndCalled = true;
if (castedAsyncResult.Result is Exception) {
throw (Exception)castedAsyncResult.Result;
}
}
}
internal virtual void Send(BaseWriter writer, bool sendEnvelope) {
if (sendEnvelope) {
PrepareEnvelopeHeaders(sendEnvelope);
writer.WriteHeaders(EnvelopeHeaders);
}
PrepareHeaders(sendEnvelope);
writer.WriteHeaders(Headers);
if (Content != null) {
Content.Send(writer);
}
else{
writer.GetContentStream().Close();
}
}
internal void PrepareEnvelopeHeaders(bool sendEnvelope) {
EnvelopeHeaders[MailHeaderInfo.GetString(MailHeaderID.XSender)] = From.ToEncodedString();
EnvelopeHeaders.Remove(MailHeaderInfo.GetString(MailHeaderID.XReceiver));
foreach (MailAddress address in To)
EnvelopeHeaders.Add(MailHeaderInfo.GetString(MailHeaderID.XReceiver), address.ToEncodedString());
foreach (MailAddress address in CC)
EnvelopeHeaders.Add(MailHeaderInfo.GetString(MailHeaderID.XReceiver), address.ToEncodedString());
foreach (MailAddress address in Bcc)
EnvelopeHeaders.Add(MailHeaderInfo.GetString(MailHeaderID.XReceiver), address.ToEncodedString());
}
internal void PrepareHeaders(bool sendEnvelope) {
Headers[MailHeaderInfo.GetString(MailHeaderID.MimeVersion)] = "1.0";
Headers[MailHeaderInfo.GetString(MailHeaderID.From)] = From.ToEncodedString();
if(Sender != null){
Headers[MailHeaderInfo.GetString(MailHeaderID.Sender)] = Sender.ToEncodedString();
}
else{
Headers.Remove(MailHeaderInfo.GetString(MailHeaderID.Sender));
}
if (To.Count > 0)
Headers[MailHeaderInfo.GetString(MailHeaderID.To)] = To.ToEncodedString();
else
Headers.Remove(MailHeaderInfo.GetString(MailHeaderID.To));
if (CC.Count > 0)
Headers[MailHeaderInfo.GetString(MailHeaderID.Cc)] = CC.ToEncodedString();
else
Headers.Remove(MailHeaderInfo.GetString(MailHeaderID.Cc));
if (replyTo != null) {
Headers[MailHeaderInfo.GetString(MailHeaderID.ReplyTo)] = ReplyTo.ToEncodedString();
}
else
Headers.Remove(MailHeaderInfo.GetString(MailHeaderID.ReplyTo));
if (priority == MailPriority.High){
Headers[MailHeaderInfo.GetString(MailHeaderID.XPriority)] = "1";
Headers[MailHeaderInfo.GetString(MailHeaderID.Priority)] = "urgent";
Headers[MailHeaderInfo.GetString(MailHeaderID.Importance)] = "high";
}
else if (priority == MailPriority.Low){
Headers[MailHeaderInfo.GetString(MailHeaderID.XPriority)] = "5";
Headers[MailHeaderInfo.GetString(MailHeaderID.Priority)] = "non-urgent";
Headers[MailHeaderInfo.GetString(MailHeaderID.Importance)] = "low";
}
//if the priority was never set, allow the app to set the headers directly.
else if (((int)priority) != -1){
Headers.Remove(MailHeaderInfo.GetString(MailHeaderID.XPriority));
Headers.Remove(MailHeaderInfo.GetString(MailHeaderID.Priority));
Headers.Remove(MailHeaderInfo.GetString(MailHeaderID.Importance));
}
Headers[MailHeaderInfo.GetString(MailHeaderID.Date)] = MailBnfHelper.GetDateTimeString(DateTime.Now, null);
if (subject != null && subject != string.Empty){
Headers[MailHeaderInfo.GetString(MailHeaderID.Subject)] = MimeBasePart.EncodeHeaderValue(subject, subjectEncoding, MimeBasePart.ShouldUseBase64Encoding(subjectEncoding));
}
else{
Headers.Remove(MailHeaderInfo.GetString(MailHeaderID.Subject));
}
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
using System;
using System.Collections.Specialized;
using System.Net.Mime;
using System.Text;
using System.IO;
namespace System.Net.Mail
{
///
/// Summary description for Message.
///
public enum MailPriority {
Normal = 0,
Low = 1,
High = 2
}
internal class Message
{
MailAddress from;
MailAddress sender;
MailAddress replyTo;
MailAddressCollection to;
MailAddressCollection cc;
MailAddressCollection bcc;
MimeBasePart content;
HeaderCollection headers;
HeaderCollection envelopeHeaders;
string subject;
Encoding subjectEncoding;
MailPriority priority = (MailPriority)(-1);
internal Message() {
}
internal Message(string from, string to):this() {
if (from == null)
throw new ArgumentNullException("from");
if (to == null)
throw new ArgumentNullException("to");
if (from == String.Empty)
throw new ArgumentException(SR.GetString(SR.net_emptystringcall,"from"), "from");
if (to == String.Empty)
throw new ArgumentException(SR.GetString(SR.net_emptystringcall,"to"), "to");
this.from = new MailAddress(from);
MailAddressCollection collection = new MailAddressCollection();
collection.Add(to);
this.to = collection;
}
internal Message(MailAddress from, MailAddress to):this() {
this.from = from;
this.To.Add(to);
}
public MailPriority Priority{
get {
return (((int)priority == -1)?MailPriority.Normal:priority);
}
set{
priority = value;
}
}
internal MailAddress From {
get {
return from;
}
set {
if (value == null) {
throw new ArgumentNullException("value");
}
from = value;
}
}
internal MailAddress Sender {
get {
return sender;
}
set {
sender = value;
}
}
internal MailAddress ReplyTo {
get {
return replyTo;
}
set {
replyTo = value;
}
}
internal MailAddressCollection To {
get {
if (to == null)
to = new MailAddressCollection();
return to;
}
}
internal MailAddressCollection Bcc {
get {
if (bcc == null)
bcc = new MailAddressCollection();
return bcc;
}
}
internal MailAddressCollection CC {
get {
if (cc == null)
cc = new MailAddressCollection();
return cc;
}
}
internal string Subject {
get {
return subject;
}
set {
if (value != null && MailBnfHelper.HasCROrLF(value)) {
throw new ArgumentException(SR.GetString(SR.MailSubjectInvalidFormat));
}
subject = value;
if (subject != null && subjectEncoding == null && !MimeBasePart.IsAscii(subject,false)) {
subjectEncoding = Encoding.GetEncoding(MimeBasePart.defaultCharSet);
}
}
}
internal Encoding SubjectEncoding {
get {
return subjectEncoding;
}
set {
subjectEncoding = value;
}
}
internal NameValueCollection Headers {
get {
if (headers == null) {
headers = new HeaderCollection();
if(Logging.On)Logging.Associate(Logging.Web, this, headers);
}
return headers;
}
}
internal NameValueCollection EnvelopeHeaders {
get {
if (envelopeHeaders == null) {
envelopeHeaders = new HeaderCollection();
if(Logging.On)Logging.Associate(Logging.Web, this, envelopeHeaders);
}
return envelopeHeaders;
}
}
internal virtual MimeBasePart Content {
get {
return content;
}
set {
if (value == null) {
throw new ArgumentNullException("value");
}
/* if (value is MimeEmbeddedMessagePart) {
throw new ArgumentException("value");
}
*/
content = value;
}
}
internal void EmptySendCallback(IAsyncResult result)
{
Exception e = null;
if(result.CompletedSynchronously){
return;
}
EmptySendContext context = (EmptySendContext)result.AsyncState;
try{
context.writer.EndGetContentStream(result).Close();
}
catch(Exception ex){
e = ex;
}
catch {
e = new Exception(SR.GetString(SR.net_nonClsCompliantException));
}
context.result.InvokeCallback(e);
}
internal class EmptySendContext {
internal EmptySendContext(BaseWriter writer, LazyAsyncResult result) {
this.writer = writer;
this.result = result;
}
internal LazyAsyncResult result;
internal BaseWriter writer;
}
internal virtual IAsyncResult BeginSend(BaseWriter writer, bool sendEnvelope, AsyncCallback callback, object state) {
PrepareHeaders(sendEnvelope);
writer.WriteHeaders(Headers);
if (Content != null) {
return Content.BeginSend(writer, callback, state);
}
else{
LazyAsyncResult result = new LazyAsyncResult(this,state,callback);
IAsyncResult newResult = writer.BeginGetContentStream(EmptySendCallback, new EmptySendContext(writer,result));
if(newResult.CompletedSynchronously){
writer.EndGetContentStream(newResult).Close();
}
return result;
}
}
internal virtual void EndSend(IAsyncResult asyncResult){
if (asyncResult == null) {
throw new ArgumentNullException("asyncResult");
}
if (Content != null) {
Content.EndSend(asyncResult);
}
else{
LazyAsyncResult castedAsyncResult = asyncResult as LazyAsyncResult;
if (castedAsyncResult == null || castedAsyncResult.AsyncObject != this) {
throw new ArgumentException(SR.GetString(SR.net_io_invalidasyncresult));
}
if (castedAsyncResult.EndCalled) {
throw new InvalidOperationException(SR.GetString(SR.net_io_invalidendcall, "EndSend"));
}
castedAsyncResult.InternalWaitForCompletion();
castedAsyncResult.EndCalled = true;
if (castedAsyncResult.Result is Exception) {
throw (Exception)castedAsyncResult.Result;
}
}
}
internal virtual void Send(BaseWriter writer, bool sendEnvelope) {
if (sendEnvelope) {
PrepareEnvelopeHeaders(sendEnvelope);
writer.WriteHeaders(EnvelopeHeaders);
}
PrepareHeaders(sendEnvelope);
writer.WriteHeaders(Headers);
if (Content != null) {
Content.Send(writer);
}
else{
writer.GetContentStream().Close();
}
}
internal void PrepareEnvelopeHeaders(bool sendEnvelope) {
EnvelopeHeaders[MailHeaderInfo.GetString(MailHeaderID.XSender)] = From.ToEncodedString();
EnvelopeHeaders.Remove(MailHeaderInfo.GetString(MailHeaderID.XReceiver));
foreach (MailAddress address in To)
EnvelopeHeaders.Add(MailHeaderInfo.GetString(MailHeaderID.XReceiver), address.ToEncodedString());
foreach (MailAddress address in CC)
EnvelopeHeaders.Add(MailHeaderInfo.GetString(MailHeaderID.XReceiver), address.ToEncodedString());
foreach (MailAddress address in Bcc)
EnvelopeHeaders.Add(MailHeaderInfo.GetString(MailHeaderID.XReceiver), address.ToEncodedString());
}
internal void PrepareHeaders(bool sendEnvelope) {
Headers[MailHeaderInfo.GetString(MailHeaderID.MimeVersion)] = "1.0";
Headers[MailHeaderInfo.GetString(MailHeaderID.From)] = From.ToEncodedString();
if(Sender != null){
Headers[MailHeaderInfo.GetString(MailHeaderID.Sender)] = Sender.ToEncodedString();
}
else{
Headers.Remove(MailHeaderInfo.GetString(MailHeaderID.Sender));
}
if (To.Count > 0)
Headers[MailHeaderInfo.GetString(MailHeaderID.To)] = To.ToEncodedString();
else
Headers.Remove(MailHeaderInfo.GetString(MailHeaderID.To));
if (CC.Count > 0)
Headers[MailHeaderInfo.GetString(MailHeaderID.Cc)] = CC.ToEncodedString();
else
Headers.Remove(MailHeaderInfo.GetString(MailHeaderID.Cc));
if (replyTo != null) {
Headers[MailHeaderInfo.GetString(MailHeaderID.ReplyTo)] = ReplyTo.ToEncodedString();
}
else
Headers.Remove(MailHeaderInfo.GetString(MailHeaderID.ReplyTo));
if (priority == MailPriority.High){
Headers[MailHeaderInfo.GetString(MailHeaderID.XPriority)] = "1";
Headers[MailHeaderInfo.GetString(MailHeaderID.Priority)] = "urgent";
Headers[MailHeaderInfo.GetString(MailHeaderID.Importance)] = "high";
}
else if (priority == MailPriority.Low){
Headers[MailHeaderInfo.GetString(MailHeaderID.XPriority)] = "5";
Headers[MailHeaderInfo.GetString(MailHeaderID.Priority)] = "non-urgent";
Headers[MailHeaderInfo.GetString(MailHeaderID.Importance)] = "low";
}
//if the priority was never set, allow the app to set the headers directly.
else if (((int)priority) != -1){
Headers.Remove(MailHeaderInfo.GetString(MailHeaderID.XPriority));
Headers.Remove(MailHeaderInfo.GetString(MailHeaderID.Priority));
Headers.Remove(MailHeaderInfo.GetString(MailHeaderID.Importance));
}
Headers[MailHeaderInfo.GetString(MailHeaderID.Date)] = MailBnfHelper.GetDateTimeString(DateTime.Now, null);
if (subject != null && subject != string.Empty){
Headers[MailHeaderInfo.GetString(MailHeaderID.Subject)] = MimeBasePart.EncodeHeaderValue(subject, subjectEncoding, MimeBasePart.ShouldUseBase64Encoding(subjectEncoding));
}
else{
Headers.Remove(MailHeaderInfo.GetString(MailHeaderID.Subject));
}
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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