Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Net / System / Net / Mail / Message.cs / 1598383 / 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;
MailAddressCollection replyToList;
MailAddress replyTo;
MailAddressCollection to;
MailAddressCollection cc;
MailAddressCollection bcc;
MimeBasePart content;
HeaderCollection headers;
HeaderCollection envelopeHeaders;
string subject;
Encoding subjectEncoding;
Encoding headersEncoding;
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 ReplyToList {
get {
if (replyToList == null)
replyToList = new MailAddressCollection();
return replyToList;
}
}
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 HeaderCollection Headers {
get {
if (headers == null) {
headers = new HeaderCollection();
if(Logging.On)Logging.Associate(Logging.Web, this, headers);
}
return headers;
}
}
internal Encoding HeadersEncoding {
get {
return headersEncoding;
}
set {
headersEncoding = value;
}
}
internal HeaderCollection 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");
}
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;
}
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) {
if (this.headersEncoding == null) {
this.headersEncoding = Encoding.GetEncoding(MimeBasePart.defaultCharSet);
}
EncodeHeaders(this.EnvelopeHeaders);
// Dev10 #430372: only add X-Sender header if it wasn't already set by the user
string xSenderHeader = MailHeaderInfo.GetString(MailHeaderID.XSender);
if (!IsHeaderSet(xSenderHeader)) {
EnvelopeHeaders.InternalSet(xSenderHeader, From.Encode(xSenderHeader.Length));
}
EnvelopeHeaders.Remove(MailHeaderInfo.GetString(MailHeaderID.XReceiver));
foreach (MailAddress address in To)
EnvelopeHeaders.InternalAdd(MailHeaderInfo.GetString(MailHeaderID.XReceiver),
address.Encode(MailHeaderInfo.GetString(MailHeaderID.XReceiver).Length));
foreach (MailAddress address in CC)
EnvelopeHeaders.InternalAdd(MailHeaderInfo.GetString(MailHeaderID.XReceiver),
address.Encode(MailHeaderInfo.GetString(MailHeaderID.XReceiver).Length));
foreach (MailAddress address in Bcc)
EnvelopeHeaders.InternalAdd(MailHeaderInfo.GetString(MailHeaderID.XReceiver),
address.Encode(MailHeaderInfo.GetString(MailHeaderID.XReceiver).Length));
}
internal void PrepareHeaders(bool sendEnvelope) {
if (this.headersEncoding == null) {
this.headersEncoding = Encoding.GetEncoding(MimeBasePart.defaultCharSet);
}
//ContentType is written directly to the stream so remove potential user duplicate
Headers.Remove(MailHeaderInfo.GetString(MailHeaderID.ContentType));
Headers[MailHeaderInfo.GetString(MailHeaderID.MimeVersion)] = "1.0";
// add sender to headers first so that it is written first to allow the IIS smtp svc to
// send MAIL FROM with the sender if both sender and from are present
if(Sender != null){
Headers.InternalAdd(MailHeaderInfo.GetString(MailHeaderID.Sender),
Sender.Encode(MailHeaderInfo.GetString(MailHeaderID.Sender).ToString().Length));
}
else{
Headers.Remove(MailHeaderInfo.GetString(MailHeaderID.Sender));
}
Headers.InternalAdd(MailHeaderInfo.GetString(MailHeaderID.From),
From.Encode(MailHeaderInfo.GetString(MailHeaderID.From).ToString().Length));
if (To.Count > 0)
{
string addresses = To.Encode(MailHeaderInfo.GetString(MailHeaderID.To).Length);
Headers.InternalAdd(MailHeaderInfo.GetString(MailHeaderID.To), addresses);
}
else
Headers.Remove(MailHeaderInfo.GetString(MailHeaderID.To));
if (CC.Count > 0)
Headers.InternalAdd(MailHeaderInfo.GetString(MailHeaderID.Cc),
CC.Encode(MailHeaderInfo.GetString(MailHeaderID.Cc).Length));
else
Headers.Remove(MailHeaderInfo.GetString(MailHeaderID.Cc));
if (ReplyTo != null) {
Headers.InternalAdd(MailHeaderInfo.GetString(MailHeaderID.ReplyTo),
ReplyTo.Encode(MailHeaderInfo.GetString(MailHeaderID.ReplyTo).Length));
}
else if (ReplyToList.Count > 0) {
Headers.InternalAdd(MailHeaderInfo.GetString(MailHeaderID.ReplyTo),
ReplyToList.Encode(MailHeaderInfo.GetString(MailHeaderID.ReplyTo).Length));
}
else {
Headers.Remove(MailHeaderInfo.GetString(MailHeaderID.ReplyTo));
}
Headers.Remove(MailHeaderInfo.GetString(MailHeaderID.Bcc));
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.InternalAdd(MailHeaderInfo.GetString(MailHeaderID.Date),
MailBnfHelper.GetDateTimeString(DateTime.Now, null));
if (!string.IsNullOrEmpty(subject)){
Headers.InternalAdd(MailHeaderInfo.GetString(MailHeaderID.Subject),
MimeBasePart.EncodeHeaderValue(subject, subjectEncoding,
MimeBasePart.ShouldUseBase64Encoding(subjectEncoding),
MailHeaderID.Subject.ToString().Length));
}
else{
Headers.Remove(MailHeaderInfo.GetString(MailHeaderID.Subject));
}
EncodeHeaders(this.headers);
}
internal void EncodeHeaders(HeaderCollection headers) {
if (this.headersEncoding == null) {
this.headersEncoding = Encoding.GetEncoding(MimeBasePart.defaultCharSet);
}
System.Diagnostics.Debug.Assert(this.headersEncoding != null);
for (int i = 0; i < headers.Count; i++) {
string headerName = headers.GetKey(i);
//certain well-known values are encoded by PrepareHeaders and PrepareEnvelopeHeaders
//so we can ignore them because either we encoded them already or there is no
//way for the user to have set them. If a header is well known and user settable then
//we should encode it here, otherwise we have already encoded it if necessary
if (!MailHeaderInfo.IsUserSettable(headerName)) {
continue;
}
string[] values = headers.GetValues(headerName);
string encodedValue = String.Empty;
for (int j = 0; j < values.Length; j++) {
//encode if we need to
if (MimeBasePart.IsAscii(values[j], false)) {
encodedValue = values[j];
}
else {
encodedValue = MimeBasePart.EncodeHeaderValue(values[j],
this.headersEncoding,
MimeBasePart.ShouldUseBase64Encoding(this.headersEncoding),
headerName.Length);
}
//potentially there are multiple values per key
if (j == 0) {
//if it's the first or only value, set will overwrite all the values assigned to that key
//which is fine since we have them stored in values[]
headers.Set(headerName, encodedValue);
}
else {
//this is a subsequent key, so we must Add it since the first key will have overwritten the
//other values
headers.Add(headerName, encodedValue);
}
}
}
}
private bool IsHeaderSet(string headerName)
{
for (int i = 0; i < Headers.Count; i++)
{
if (string.Compare(Headers.GetKey(i), headerName,
StringComparison.InvariantCultureIgnoreCase) == 0)
{
return true;
}
}
return false;
}
}
}
// 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;
MailAddressCollection replyToList;
MailAddress replyTo;
MailAddressCollection to;
MailAddressCollection cc;
MailAddressCollection bcc;
MimeBasePart content;
HeaderCollection headers;
HeaderCollection envelopeHeaders;
string subject;
Encoding subjectEncoding;
Encoding headersEncoding;
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 ReplyToList {
get {
if (replyToList == null)
replyToList = new MailAddressCollection();
return replyToList;
}
}
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 HeaderCollection Headers {
get {
if (headers == null) {
headers = new HeaderCollection();
if(Logging.On)Logging.Associate(Logging.Web, this, headers);
}
return headers;
}
}
internal Encoding HeadersEncoding {
get {
return headersEncoding;
}
set {
headersEncoding = value;
}
}
internal HeaderCollection 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");
}
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;
}
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) {
if (this.headersEncoding == null) {
this.headersEncoding = Encoding.GetEncoding(MimeBasePart.defaultCharSet);
}
EncodeHeaders(this.EnvelopeHeaders);
// Dev10 #430372: only add X-Sender header if it wasn't already set by the user
string xSenderHeader = MailHeaderInfo.GetString(MailHeaderID.XSender);
if (!IsHeaderSet(xSenderHeader)) {
EnvelopeHeaders.InternalSet(xSenderHeader, From.Encode(xSenderHeader.Length));
}
EnvelopeHeaders.Remove(MailHeaderInfo.GetString(MailHeaderID.XReceiver));
foreach (MailAddress address in To)
EnvelopeHeaders.InternalAdd(MailHeaderInfo.GetString(MailHeaderID.XReceiver),
address.Encode(MailHeaderInfo.GetString(MailHeaderID.XReceiver).Length));
foreach (MailAddress address in CC)
EnvelopeHeaders.InternalAdd(MailHeaderInfo.GetString(MailHeaderID.XReceiver),
address.Encode(MailHeaderInfo.GetString(MailHeaderID.XReceiver).Length));
foreach (MailAddress address in Bcc)
EnvelopeHeaders.InternalAdd(MailHeaderInfo.GetString(MailHeaderID.XReceiver),
address.Encode(MailHeaderInfo.GetString(MailHeaderID.XReceiver).Length));
}
internal void PrepareHeaders(bool sendEnvelope) {
if (this.headersEncoding == null) {
this.headersEncoding = Encoding.GetEncoding(MimeBasePart.defaultCharSet);
}
//ContentType is written directly to the stream so remove potential user duplicate
Headers.Remove(MailHeaderInfo.GetString(MailHeaderID.ContentType));
Headers[MailHeaderInfo.GetString(MailHeaderID.MimeVersion)] = "1.0";
// add sender to headers first so that it is written first to allow the IIS smtp svc to
// send MAIL FROM with the sender if both sender and from are present
if(Sender != null){
Headers.InternalAdd(MailHeaderInfo.GetString(MailHeaderID.Sender),
Sender.Encode(MailHeaderInfo.GetString(MailHeaderID.Sender).ToString().Length));
}
else{
Headers.Remove(MailHeaderInfo.GetString(MailHeaderID.Sender));
}
Headers.InternalAdd(MailHeaderInfo.GetString(MailHeaderID.From),
From.Encode(MailHeaderInfo.GetString(MailHeaderID.From).ToString().Length));
if (To.Count > 0)
{
string addresses = To.Encode(MailHeaderInfo.GetString(MailHeaderID.To).Length);
Headers.InternalAdd(MailHeaderInfo.GetString(MailHeaderID.To), addresses);
}
else
Headers.Remove(MailHeaderInfo.GetString(MailHeaderID.To));
if (CC.Count > 0)
Headers.InternalAdd(MailHeaderInfo.GetString(MailHeaderID.Cc),
CC.Encode(MailHeaderInfo.GetString(MailHeaderID.Cc).Length));
else
Headers.Remove(MailHeaderInfo.GetString(MailHeaderID.Cc));
if (ReplyTo != null) {
Headers.InternalAdd(MailHeaderInfo.GetString(MailHeaderID.ReplyTo),
ReplyTo.Encode(MailHeaderInfo.GetString(MailHeaderID.ReplyTo).Length));
}
else if (ReplyToList.Count > 0) {
Headers.InternalAdd(MailHeaderInfo.GetString(MailHeaderID.ReplyTo),
ReplyToList.Encode(MailHeaderInfo.GetString(MailHeaderID.ReplyTo).Length));
}
else {
Headers.Remove(MailHeaderInfo.GetString(MailHeaderID.ReplyTo));
}
Headers.Remove(MailHeaderInfo.GetString(MailHeaderID.Bcc));
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.InternalAdd(MailHeaderInfo.GetString(MailHeaderID.Date),
MailBnfHelper.GetDateTimeString(DateTime.Now, null));
if (!string.IsNullOrEmpty(subject)){
Headers.InternalAdd(MailHeaderInfo.GetString(MailHeaderID.Subject),
MimeBasePart.EncodeHeaderValue(subject, subjectEncoding,
MimeBasePart.ShouldUseBase64Encoding(subjectEncoding),
MailHeaderID.Subject.ToString().Length));
}
else{
Headers.Remove(MailHeaderInfo.GetString(MailHeaderID.Subject));
}
EncodeHeaders(this.headers);
}
internal void EncodeHeaders(HeaderCollection headers) {
if (this.headersEncoding == null) {
this.headersEncoding = Encoding.GetEncoding(MimeBasePart.defaultCharSet);
}
System.Diagnostics.Debug.Assert(this.headersEncoding != null);
for (int i = 0; i < headers.Count; i++) {
string headerName = headers.GetKey(i);
//certain well-known values are encoded by PrepareHeaders and PrepareEnvelopeHeaders
//so we can ignore them because either we encoded them already or there is no
//way for the user to have set them. If a header is well known and user settable then
//we should encode it here, otherwise we have already encoded it if necessary
if (!MailHeaderInfo.IsUserSettable(headerName)) {
continue;
}
string[] values = headers.GetValues(headerName);
string encodedValue = String.Empty;
for (int j = 0; j < values.Length; j++) {
//encode if we need to
if (MimeBasePart.IsAscii(values[j], false)) {
encodedValue = values[j];
}
else {
encodedValue = MimeBasePart.EncodeHeaderValue(values[j],
this.headersEncoding,
MimeBasePart.ShouldUseBase64Encoding(this.headersEncoding),
headerName.Length);
}
//potentially there are multiple values per key
if (j == 0) {
//if it's the first or only value, set will overwrite all the values assigned to that key
//which is fine since we have them stored in values[]
headers.Set(headerName, encodedValue);
}
else {
//this is a subsequent key, so we must Add it since the first key will have overwritten the
//other values
headers.Add(headerName, encodedValue);
}
}
}
}
private bool IsHeaderSet(string headerName)
{
for (int i = 0; i < Headers.Count; i++)
{
if (string.Compare(Headers.GetKey(i), headerName,
StringComparison.InvariantCultureIgnoreCase) == 0)
{
return true;
}
}
return false;
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
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- ColumnCollection.cs
- ContentHostHelper.cs
- ForEachAction.cs
- DummyDataSource.cs
- UnsafeNativeMethods.cs
- LineInfo.cs
- Version.cs
- ProjectionCamera.cs
- StackOverflowException.cs
- DbConnectionOptions.cs
- WizardSideBarListControlItem.cs
- RuntimeConfig.cs
- Normalization.cs
- EnumConverter.cs
- AtlasWeb.Designer.cs
- TriggerBase.cs
- Processor.cs
- WeakRefEnumerator.cs
- PropertyEmitterBase.cs
- SqlProvider.cs
- ContextStaticAttribute.cs
- _ListenerRequestStream.cs
- TraceSection.cs
- LabelLiteral.cs
- ScriptResourceHandler.cs
- Utils.cs
- UIElement3DAutomationPeer.cs
- WebResourceAttribute.cs
- GridItem.cs
- SByteConverter.cs
- Sentence.cs
- XhtmlBasicLinkAdapter.cs
- Int32Rect.cs
- CustomErrorCollection.cs
- QueryResult.cs
- WindowsStatic.cs
- MetaColumn.cs
- File.cs
- WbemProvider.cs
- ObjectStateEntryDbDataRecord.cs