Code:
/ FXUpdate3074 / FXUpdate3074 / 1.1 / DEVDIV / depot / DevDiv / releases / whidbey / QFE / ndp / fx / src / xsp / System / Web / UI / WebControls / MailDefinition.cs / 4 / MailDefinition.cs
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
namespace System.Web.UI.WebControls {
using System.Security.Permissions;
using System.Net.Mail;
using System.Net.Mime;
using System.Collections;
using System.ComponentModel;
using System.IO;
using System.Drawing.Design;
using System.Text.RegularExpressions;
using System.Web;
using System.Web.Util;
using System.Text;
using System.Web.Configuration;
using System.Configuration;
///
/// Defines an email message. Smaller object model than System.Net.Mail.MailMessage. Creates a MailMessage
/// from a string or a file containing the message body. Can perform textual substitutions in the message body
/// when given a dictionary mapping strings to their replacements.
///
[
Bindable(false),
TypeConverterAttribute(typeof(EmptyStringExpandableObjectConverter)),
ParseChildren(true, "")
]
[AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)]
public sealed class MailDefinition : IStateManager {
private bool _isTrackingViewState;
private StateBag _viewState;
private EmbeddedMailObjectsCollection _embeddedObjects;
private string _bodyFileName;
///
/// The file that contains the body of the e-mail message.
///
[
WebCategory("Behavior"),
DefaultValue(""),
WebSysDescription(SR.MailDefinition_BodyFileName),
Editor("System.Web.UI.Design.WebControls.MailDefinitionBodyFileNameEditor, " + AssemblyRef.SystemDesign, typeof(UITypeEditor)),
UrlProperty("*.*"),
NotifyParentProperty(true)
]
public string BodyFileName {
get {
return (_bodyFileName == null) ? String.Empty : _bodyFileName;
}
set {
_bodyFileName = value;
}
}
///
/// A semicolon-delimited list of e-mail addresses that receive a carbon copy (CC) of the e-mail message.
///
[
WebCategory("Behavior"),
DefaultValue(""),
WebSysDescription(SR.MailDefinition_CC),
NotifyParentProperty(true)
]
public string CC {
get {
object obj = ViewState["CC"];
return (obj == null) ? String.Empty : (string)obj;
}
set {
ViewState["CC"] = value;
}
}
//
/// The sender's e-mail address.
///
[
WebCategory("Behavior"),
DefaultValue(""),
WebSysDescription(SR.MailDefinition_From),
NotifyParentProperty(true)
]
public string From {
get {
object obj = ViewState["From"];
return (obj == null) ? String.Empty : (string)obj;
}
set {
ViewState["From"] = value;
}
}
///
/// Embedded mail objects
///
[
DefaultValue(null),
NotifyParentProperty(true),
PersistenceMode(PersistenceMode.InnerProperty),
WebCategory("Behavior"),
WebSysDescription(SR.MailDefinition_EmbeddedObjects),
]
public EmbeddedMailObjectsCollection EmbeddedObjects {
get {
if (_embeddedObjects == null) {
_embeddedObjects = new EmbeddedMailObjectsCollection();
}
return _embeddedObjects;
}
}
[
WebCategory("Behavior"),
DefaultValue(false),
WebSysDescription(SR.MailDefinition_IsBodyHtml),
NotifyParentProperty(true)
]
public bool IsBodyHtml {
get {
object obj = ViewState["IsBodyHtml"];
return (obj == null) ? false : (bool)obj;
}
set {
ViewState["IsBodyHtml"] = value;
}
}
[
WebCategory("Behavior"),
DefaultValue(MailPriority.Normal),
WebSysDescription(SR.MailDefinition_Priority),
NotifyParentProperty(true)
]
public MailPriority Priority {
get {
object obj = ViewState["Priority"];
return (obj == null) ? MailPriority.Normal : (MailPriority) obj;
}
set {
if (value < MailPriority.Normal || value > MailPriority.High) {
throw new ArgumentOutOfRangeException("value");
}
ViewState["Priority"] = value;
}
}
///
/// The subject line of the e-mail message.
///
[
WebCategory("Behavior"),
DefaultValue(""),
WebSysDescription(SR.MailDefinition_Subject),
NotifyParentProperty(true)
]
public string Subject {
get {
object obj = ViewState["Subject"];
return (obj == null) ? String.Empty : (string)obj;
}
set {
ViewState["Subject"] = value;
}
}
//
internal string SubjectInternal {
get {
return (string)ViewState["Subject"];
}
}
///
/// Manages the viewstate for this class, since we don't extend Control.
///
[
Browsable(false),
DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)
]
private StateBag ViewState {
get {
if (_viewState == null) {
_viewState = new StateBag(false);
if (_isTrackingViewState) {
((IStateManager)_viewState).TrackViewState();
}
}
return _viewState;
}
}
///
/// Creates a MailMessage using the BodyFileName property.
///
public MailMessage CreateMailMessage(string recipients, IDictionary replacements, Control owner) {
if (owner == null) {
throw new ArgumentNullException("owner");
}
string body = String.Empty;
string bodyFileName = BodyFileName;
if (!String.IsNullOrEmpty(bodyFileName)) {
string path = bodyFileName;
if (!UrlPath.IsAbsolutePhysicalPath(path)) {
// Relative so we need to add the template source directory to the path
path = UrlPath.Combine(owner.AppRelativeTemplateSourceDirectory, path);
}
TextReader reader = new StreamReader(owner.OpenFile(path));
try {
body = reader.ReadToEnd();
}
finally {
reader.Close();
}
}
return CreateMailMessage(recipients, replacements, body, owner);
}
///
/// Creates a MailMessage using the body parameter.
///
public MailMessage CreateMailMessage(string recipients, IDictionary replacements, string body, Control owner) {
if (owner == null) {
throw new ArgumentNullException("owner");
}
string from = From;
if (String.IsNullOrEmpty(from)) {
System.Net.Configuration.SmtpSection smtpSection = RuntimeConfig.GetConfig().Smtp;
if (smtpSection == null || smtpSection.Network == null || String.IsNullOrEmpty(smtpSection.From)) {
throw new HttpException(SR.GetString(SR.MailDefinition_NoFromAddressSpecified));
}
else {
from = smtpSection.From;
}
}
MailMessage message = null;
try {
message = new MailMessage(from, recipients);
if (!String.IsNullOrEmpty(CC)) {
message.CC.Add(CC);
}
if (!String.IsNullOrEmpty(Subject)) {
message.Subject = Subject;
}
message.Priority = Priority;
if (replacements != null && !String.IsNullOrEmpty(body)) {
foreach (object key in replacements.Keys) {
string fromString = key as string;
string toString = replacements[key] as string;
if ((fromString == null) || (toString == null)) {
throw new ArgumentException(SR.GetString(SR.MailDefinition_InvalidReplacements));
}
// DevDiv 151177
// According to http://msdn2.microsoft.com/en-us/library/ewy2t5e0.aspx, some special
// constructs (starting with "$") are recognized in the replacement patterns. References of
// these constructs will be replaced with predefined strings in the final output. To use the
// character "$" as is in the replacement patterns, we need to replace all references of single "$"
// with "$$", because "$$" in replacement patterns are replaced with a single "$" in the
// final output.
toString = toString.Replace("$", "$$");
body = Regex.Replace(body, fromString, toString, RegexOptions.IgnoreCase);
}
}
// If there are any embedded objects, we need to construct an alternate view with text/html
// And add all of the embedded objects as linked resouces
if (EmbeddedObjects.Count > 0) {
string viewContentType = (IsBodyHtml ? MediaTypeNames.Text.Html : MediaTypeNames.Text.Plain);
AlternateView view = AlternateView.CreateAlternateViewFromString(body, null, viewContentType);
foreach (EmbeddedMailObject part in EmbeddedObjects) {
string path = part.Path;
if (String.IsNullOrEmpty(path)) {
throw ExceptionUtil.PropertyNullOrEmpty("EmbeddedMailObject.Path");
}
if (!UrlPath.IsAbsolutePhysicalPath(path)) {
VirtualPath virtualPath = VirtualPath.Combine(owner.TemplateControlVirtualDirectory,
VirtualPath.Create(path));
path = virtualPath.AppRelativeVirtualPathString;
}
// The FileStream will be closed by MailMessage.Dispose()
LinkedResource lr = null;
try {
Stream stream = null;
try {
stream = owner.OpenFile(path);
lr = new LinkedResource(stream);
}
catch {
if (stream != null) {
((IDisposable)stream).Dispose();
}
throw;
}
lr.ContentId = part.Name;
lr.ContentType.Name = UrlPath.GetFileName(path);
view.LinkedResources.Add(lr);
}
catch {
if (lr != null) {
lr.Dispose();
}
throw;
}
}
message.AlternateViews.Add(view);
}
else if (!String.IsNullOrEmpty(body)) {
message.Body = body;
}
message.IsBodyHtml = IsBodyHtml;
return message;
}
catch {
if (message != null) {
message.Dispose();
}
throw;
}
}
#region IStateManager implementation
///
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
namespace System.Web.UI.WebControls {
using System.Security.Permissions;
using System.Net.Mail;
using System.Net.Mime;
using System.Collections;
using System.ComponentModel;
using System.IO;
using System.Drawing.Design;
using System.Text.RegularExpressions;
using System.Web;
using System.Web.Util;
using System.Text;
using System.Web.Configuration;
using System.Configuration;
///
/// Defines an email message. Smaller object model than System.Net.Mail.MailMessage. Creates a MailMessage
/// from a string or a file containing the message body. Can perform textual substitutions in the message body
/// when given a dictionary mapping strings to their replacements.
///
[
Bindable(false),
TypeConverterAttribute(typeof(EmptyStringExpandableObjectConverter)),
ParseChildren(true, "")
]
[AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)]
public sealed class MailDefinition : IStateManager {
private bool _isTrackingViewState;
private StateBag _viewState;
private EmbeddedMailObjectsCollection _embeddedObjects;
private string _bodyFileName;
///
/// The file that contains the body of the e-mail message.
///
[
WebCategory("Behavior"),
DefaultValue(""),
WebSysDescription(SR.MailDefinition_BodyFileName),
Editor("System.Web.UI.Design.WebControls.MailDefinitionBodyFileNameEditor, " + AssemblyRef.SystemDesign, typeof(UITypeEditor)),
UrlProperty("*.*"),
NotifyParentProperty(true)
]
public string BodyFileName {
get {
return (_bodyFileName == null) ? String.Empty : _bodyFileName;
}
set {
_bodyFileName = value;
}
}
///
/// A semicolon-delimited list of e-mail addresses that receive a carbon copy (CC) of the e-mail message.
///
[
WebCategory("Behavior"),
DefaultValue(""),
WebSysDescription(SR.MailDefinition_CC),
NotifyParentProperty(true)
]
public string CC {
get {
object obj = ViewState["CC"];
return (obj == null) ? String.Empty : (string)obj;
}
set {
ViewState["CC"] = value;
}
}
//
/// The sender's e-mail address.
///
[
WebCategory("Behavior"),
DefaultValue(""),
WebSysDescription(SR.MailDefinition_From),
NotifyParentProperty(true)
]
public string From {
get {
object obj = ViewState["From"];
return (obj == null) ? String.Empty : (string)obj;
}
set {
ViewState["From"] = value;
}
}
///
/// Embedded mail objects
///
[
DefaultValue(null),
NotifyParentProperty(true),
PersistenceMode(PersistenceMode.InnerProperty),
WebCategory("Behavior"),
WebSysDescription(SR.MailDefinition_EmbeddedObjects),
]
public EmbeddedMailObjectsCollection EmbeddedObjects {
get {
if (_embeddedObjects == null) {
_embeddedObjects = new EmbeddedMailObjectsCollection();
}
return _embeddedObjects;
}
}
[
WebCategory("Behavior"),
DefaultValue(false),
WebSysDescription(SR.MailDefinition_IsBodyHtml),
NotifyParentProperty(true)
]
public bool IsBodyHtml {
get {
object obj = ViewState["IsBodyHtml"];
return (obj == null) ? false : (bool)obj;
}
set {
ViewState["IsBodyHtml"] = value;
}
}
[
WebCategory("Behavior"),
DefaultValue(MailPriority.Normal),
WebSysDescription(SR.MailDefinition_Priority),
NotifyParentProperty(true)
]
public MailPriority Priority {
get {
object obj = ViewState["Priority"];
return (obj == null) ? MailPriority.Normal : (MailPriority) obj;
}
set {
if (value < MailPriority.Normal || value > MailPriority.High) {
throw new ArgumentOutOfRangeException("value");
}
ViewState["Priority"] = value;
}
}
///
/// The subject line of the e-mail message.
///
[
WebCategory("Behavior"),
DefaultValue(""),
WebSysDescription(SR.MailDefinition_Subject),
NotifyParentProperty(true)
]
public string Subject {
get {
object obj = ViewState["Subject"];
return (obj == null) ? String.Empty : (string)obj;
}
set {
ViewState["Subject"] = value;
}
}
//
internal string SubjectInternal {
get {
return (string)ViewState["Subject"];
}
}
///
/// Manages the viewstate for this class, since we don't extend Control.
///
[
Browsable(false),
DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)
]
private StateBag ViewState {
get {
if (_viewState == null) {
_viewState = new StateBag(false);
if (_isTrackingViewState) {
((IStateManager)_viewState).TrackViewState();
}
}
return _viewState;
}
}
///
/// Creates a MailMessage using the BodyFileName property.
///
public MailMessage CreateMailMessage(string recipients, IDictionary replacements, Control owner) {
if (owner == null) {
throw new ArgumentNullException("owner");
}
string body = String.Empty;
string bodyFileName = BodyFileName;
if (!String.IsNullOrEmpty(bodyFileName)) {
string path = bodyFileName;
if (!UrlPath.IsAbsolutePhysicalPath(path)) {
// Relative so we need to add the template source directory to the path
path = UrlPath.Combine(owner.AppRelativeTemplateSourceDirectory, path);
}
TextReader reader = new StreamReader(owner.OpenFile(path));
try {
body = reader.ReadToEnd();
}
finally {
reader.Close();
}
}
return CreateMailMessage(recipients, replacements, body, owner);
}
///
/// Creates a MailMessage using the body parameter.
///
public MailMessage CreateMailMessage(string recipients, IDictionary replacements, string body, Control owner) {
if (owner == null) {
throw new ArgumentNullException("owner");
}
string from = From;
if (String.IsNullOrEmpty(from)) {
System.Net.Configuration.SmtpSection smtpSection = RuntimeConfig.GetConfig().Smtp;
if (smtpSection == null || smtpSection.Network == null || String.IsNullOrEmpty(smtpSection.From)) {
throw new HttpException(SR.GetString(SR.MailDefinition_NoFromAddressSpecified));
}
else {
from = smtpSection.From;
}
}
MailMessage message = null;
try {
message = new MailMessage(from, recipients);
if (!String.IsNullOrEmpty(CC)) {
message.CC.Add(CC);
}
if (!String.IsNullOrEmpty(Subject)) {
message.Subject = Subject;
}
message.Priority = Priority;
if (replacements != null && !String.IsNullOrEmpty(body)) {
foreach (object key in replacements.Keys) {
string fromString = key as string;
string toString = replacements[key] as string;
if ((fromString == null) || (toString == null)) {
throw new ArgumentException(SR.GetString(SR.MailDefinition_InvalidReplacements));
}
// DevDiv 151177
// According to http://msdn2.microsoft.com/en-us/library/ewy2t5e0.aspx, some special
// constructs (starting with "$") are recognized in the replacement patterns. References of
// these constructs will be replaced with predefined strings in the final output. To use the
// character "$" as is in the replacement patterns, we need to replace all references of single "$"
// with "$$", because "$$" in replacement patterns are replaced with a single "$" in the
// final output.
toString = toString.Replace("$", "$$");
body = Regex.Replace(body, fromString, toString, RegexOptions.IgnoreCase);
}
}
// If there are any embedded objects, we need to construct an alternate view with text/html
// And add all of the embedded objects as linked resouces
if (EmbeddedObjects.Count > 0) {
string viewContentType = (IsBodyHtml ? MediaTypeNames.Text.Html : MediaTypeNames.Text.Plain);
AlternateView view = AlternateView.CreateAlternateViewFromString(body, null, viewContentType);
foreach (EmbeddedMailObject part in EmbeddedObjects) {
string path = part.Path;
if (String.IsNullOrEmpty(path)) {
throw ExceptionUtil.PropertyNullOrEmpty("EmbeddedMailObject.Path");
}
if (!UrlPath.IsAbsolutePhysicalPath(path)) {
VirtualPath virtualPath = VirtualPath.Combine(owner.TemplateControlVirtualDirectory,
VirtualPath.Create(path));
path = virtualPath.AppRelativeVirtualPathString;
}
// The FileStream will be closed by MailMessage.Dispose()
LinkedResource lr = null;
try {
Stream stream = null;
try {
stream = owner.OpenFile(path);
lr = new LinkedResource(stream);
}
catch {
if (stream != null) {
((IDisposable)stream).Dispose();
}
throw;
}
lr.ContentId = part.Name;
lr.ContentType.Name = UrlPath.GetFileName(path);
view.LinkedResources.Add(lr);
}
catch {
if (lr != null) {
lr.Dispose();
}
throw;
}
}
message.AlternateViews.Add(view);
}
else if (!String.IsNullOrEmpty(body)) {
message.Body = body;
}
message.IsBodyHtml = IsBodyHtml;
return message;
}
catch {
if (message != null) {
message.Dispose();
}
throw;
}
}
#region IStateManager implementation
///
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