Code:
/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Services / Messaging / System / Messaging / MessageQueuePermission.cs / 1305376 / MessageQueuePermission.cs
//----------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
namespace System.Messaging {
using System;
using System.Text;
using System.Security;
using System.Security.Permissions;
using System.Collections;
using System.Collections.Specialized;
using System.Globalization;
///
/// [To be supplied.]
///
[
Serializable()
]
public sealed class MessageQueuePermission : CodeAccessPermission, IUnrestrictedPermission {
internal Hashtable resolvedFormatNames;
internal MessageQueuePermissionEntryCollection innerCollection;
internal bool isUnrestricted;
internal const string Any = "*";
///
/// [To be supplied.]
///
public MessageQueuePermission() {
}
///
/// [To be supplied.]
///
public MessageQueuePermission(PermissionState state) {
if (state == PermissionState.Unrestricted)
this.isUnrestricted = true;
else
this.isUnrestricted = false;
}
///
/// [To be supplied.]
///
public MessageQueuePermission(MessageQueuePermissionAccess permissionAccess, string path) {
MessageQueuePermissionEntry entry = new MessageQueuePermissionEntry(permissionAccess, path);
this.PermissionEntries.Add(entry);
}
///
/// [To be supplied.]
///
public MessageQueuePermission(MessageQueuePermissionAccess permissionAccess, string machineName, string label, string category) {
MessageQueuePermissionEntry entry = new MessageQueuePermissionEntry(permissionAccess, machineName, label, category);
this.PermissionEntries.Add(entry);
}
///
/// [To be supplied.]
///
public MessageQueuePermission(MessageQueuePermissionEntry[] permissionAccessEntries) {
if (permissionAccessEntries == null)
throw new ArgumentNullException("permissionAccessEntries");
this.PermissionEntries.AddRange(permissionAccessEntries);
}
///
/// [To be supplied.]
///
public MessageQueuePermissionEntryCollection PermissionEntries {
get {
if (this.innerCollection == null) {
if (this.resolvedFormatNames == null)
this.innerCollection = new MessageQueuePermissionEntryCollection(this);
else {
Hashtable resolvedReference = this.resolvedFormatNames;
this.innerCollection = new MessageQueuePermissionEntryCollection(this);
foreach (string formatName in resolvedReference.Keys) {
string path;
if (formatName == Any)
path = Any;
else
path = "FORMATNAME:" + formatName;
MessageQueuePermissionEntry entry = new MessageQueuePermissionEntry(
(MessageQueuePermissionAccess)resolvedReference[formatName],
path);
this.innerCollection.Add(entry);
}
}
}
return this.innerCollection;
}
}
// Put this in one central place. MSMQ appears to use CompareString
// with LOCALE_INVARIANT and NORM_IGNORECASE.
private static IEqualityComparer GetComparer()
{
return StringComparer.InvariantCultureIgnoreCase;
}
///
/// [To be supplied.]
///
public override IPermission Copy() {
MessageQueuePermission permission = new MessageQueuePermission();
permission.isUnrestricted = this.isUnrestricted;
foreach (MessageQueuePermissionEntry entry in this.PermissionEntries)
permission.PermissionEntries.Add(entry);
permission.resolvedFormatNames = this.resolvedFormatNames;
return permission;
}
///
/// [To be supplied.]
///
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Performance", "CA1803:AvoidCostlyCallsWherePossible")]
public override void FromXml(SecurityElement securityElement) {
this.PermissionEntries.Clear();
string unrestrictedValue = securityElement.Attribute("Unrestricted");
if (unrestrictedValue != null && (string.Compare(unrestrictedValue, "true", true, CultureInfo.InvariantCulture) == 0)) {
this.isUnrestricted = true;
return;
}
if (securityElement.Children != null) {
for (int index = 0; index < securityElement.Children.Count; ++ index) {
SecurityElement currentElement = (SecurityElement)securityElement.Children[index];
MessageQueuePermissionEntry entry = null;
string accessString = currentElement.Attribute("access");
int permissionAccess = 0;
if (accessString != null) {
string[] accessArray = accessString.Split(new char[]{'|'});
for (int index2 = 0; index2 < accessArray.Length; ++ index2) {
string currentAccess = accessArray[index2].Trim();
if (Enum.IsDefined(typeof(MessageQueuePermissionAccess), currentAccess))
permissionAccess = permissionAccess | (int)Enum.Parse(typeof(MessageQueuePermissionAccess), currentAccess);
}
}
if (currentElement.Tag == "Path") {
string path = currentElement.Attribute("value");
if (path == null)
throw new InvalidOperationException(Res.GetString(Res.InvalidXmlFormat));
entry = new MessageQueuePermissionEntry((MessageQueuePermissionAccess)permissionAccess, path);
}
else if (currentElement.Tag == "Criteria") {
string label = currentElement.Attribute("label");
string category = currentElement.Attribute("category");
string machineName = currentElement.Attribute("machine");
if (machineName == null && label == null && category == null)
throw new InvalidOperationException(Res.GetString(Res.InvalidXmlFormat));
entry = new MessageQueuePermissionEntry((MessageQueuePermissionAccess)permissionAccess, machineName, label, category);
}
else
throw new InvalidOperationException(Res.GetString(Res.InvalidXmlFormat));
this.PermissionEntries.Add(entry);
}
}
}
///
/// [To be supplied.]
///
public override IPermission Intersect(IPermission target) {
if (target == null)
return null;
if (!(target is MessageQueuePermission))
throw new ArgumentException(Res.GetString(Res.InvalidParameter, "target", target.ToString()));
MessageQueuePermission targetQueuePermission = (MessageQueuePermission)target;
if (this.IsUnrestricted())
return targetQueuePermission.Copy();
if (targetQueuePermission.IsUnrestricted())
return this.Copy();
this.ResolveFormatNames();
targetQueuePermission.ResolveFormatNames();
MessageQueuePermission newPermission = new MessageQueuePermission();
Hashtable newFormatNames = new Hashtable(GetComparer());
newPermission.resolvedFormatNames = newFormatNames;
IDictionaryEnumerator formatNamesEnumerator;
Hashtable formatNamesTable;
if (this.resolvedFormatNames.Count < targetQueuePermission.resolvedFormatNames.Count) {
formatNamesEnumerator = this.resolvedFormatNames.GetEnumerator();
formatNamesTable = targetQueuePermission.resolvedFormatNames;
}
else{
formatNamesEnumerator = targetQueuePermission.resolvedFormatNames.GetEnumerator();
formatNamesTable = this.resolvedFormatNames;
}
while(formatNamesEnumerator.MoveNext()) {
if (formatNamesTable.ContainsKey(formatNamesEnumerator.Key)) {
string currentFormatName = (string)formatNamesEnumerator.Key;
MessageQueuePermissionAccess currentAccess = (MessageQueuePermissionAccess)formatNamesEnumerator.Value;
MessageQueuePermissionAccess targetAccess = (MessageQueuePermissionAccess)formatNamesTable[currentFormatName];
newFormatNames.Add(currentFormatName, currentAccess & targetAccess);
}
}
return newPermission;
}
///
/// [To be supplied.]
///
public override bool IsSubsetOf(IPermission target) {
if (target == null)
return false;
if (!(target is MessageQueuePermission))
throw new ArgumentException(Res.GetString(Res.InvalidParameter, "target", target.ToString()));
MessageQueuePermission targetQueuePermission = (MessageQueuePermission)target;
if (targetQueuePermission.IsUnrestricted())
return true;
else if (this.IsUnrestricted())
return false;
this.ResolveFormatNames();
targetQueuePermission.ResolveFormatNames();
//If one of the tables is empty the subset cannot be resolved reliably, should assume
//then that they are not subset of each other.
if ((this.resolvedFormatNames.Count == 0 && targetQueuePermission.resolvedFormatNames.Count != 0) ||
(this.resolvedFormatNames.Count != 0 && targetQueuePermission.resolvedFormatNames.Count == 0))
return false;
//If the target table contains a wild card, all the current formatName access need to be
//a subset of the target.
IDictionaryEnumerator formatNamesEnumerator;
if (targetQueuePermission.resolvedFormatNames.ContainsKey(Any)) {
MessageQueuePermissionAccess targetAccess = (MessageQueuePermissionAccess)targetQueuePermission.resolvedFormatNames[Any];
formatNamesEnumerator = this.resolvedFormatNames.GetEnumerator();
while(formatNamesEnumerator.MoveNext()) {
MessageQueuePermissionAccess currentAccess = (MessageQueuePermissionAccess)formatNamesEnumerator.Value;
if ((currentAccess & targetAccess) != currentAccess)
return false;
}
return true;
}
//If the current table contains a wild card it can be treated as any other format name.
formatNamesEnumerator = this.resolvedFormatNames.GetEnumerator();
while(formatNamesEnumerator.MoveNext()) {
string currentFormatName = (string)formatNamesEnumerator.Key;
if (!targetQueuePermission.resolvedFormatNames.ContainsKey(currentFormatName))
return false;
else {
MessageQueuePermissionAccess currentAccess = (MessageQueuePermissionAccess)formatNamesEnumerator.Value;
MessageQueuePermissionAccess targetAccess = (MessageQueuePermissionAccess)targetQueuePermission.resolvedFormatNames[currentFormatName];
if ((currentAccess & targetAccess) != currentAccess)
return false;
}
}
return true;
}
///
/// [To be supplied.]
///
public bool IsUnrestricted() {
return this.isUnrestricted;
}
internal void ResolveFormatNames() {
if (this.resolvedFormatNames == null) {
this.resolvedFormatNames = new Hashtable(GetComparer());
IEnumerator enumerator = this.PermissionEntries.GetEnumerator();
while (enumerator.MoveNext()) {
MessageQueuePermissionEntry entry = (MessageQueuePermissionEntry)enumerator.Current;
if (entry.Path != null) {
if (entry.Path == Any)
this.resolvedFormatNames.Add(Any, entry.PermissionAccess);
else {
try {
MessageQueue queue = new MessageQueue(entry.Path);
this.resolvedFormatNames.Add(queue.FormatName, entry.PermissionAccess);
}
catch {
//if the format name cannot be resolved, it won't be added to the list
//permissions won't be granted.
}
}
}
else {
try {
MessageQueueCriteria criteria = new MessageQueueCriteria();
if (entry.MachineName != null)
criteria.MachineName = entry.MachineName;
if (entry.Category != null)
criteria.Category = new Guid(entry.Category);
if (entry.Label != null)
criteria.Label = entry.Label;
IEnumerator messageQueues = MessageQueue.GetMessageQueueEnumerator(criteria, false);
while (messageQueues.MoveNext()) {
MessageQueue queue = (MessageQueue)messageQueues.Current;
this.resolvedFormatNames.Add(queue.FormatName, entry.PermissionAccess);
}
}
catch {
//if the criteria cannot be resolved, nothing will be added to the list
//permissions won't be granted.
}
}
}
}
}
///
/// [To be supplied.]
///
public override SecurityElement ToXml() {
SecurityElement root = new SecurityElement("IPermission");
Type type = this.GetType();
root.AddAttribute("class", type.FullName + ", " + type.Module.Assembly.FullName.Replace('\"', '\''));
root.AddAttribute("version", "1");
if (this.isUnrestricted) {
root.AddAttribute("Unrestricted", "true");
return root;
}
IEnumerator enumerator = this.PermissionEntries.GetEnumerator();
while (enumerator.MoveNext()) {
SecurityElement currentElement = null;
MessageQueuePermissionEntry entry = (MessageQueuePermissionEntry)enumerator.Current;
if (entry.Path != null) {
currentElement = new SecurityElement("Path");
currentElement.AddAttribute("value", entry.Path);
}
else {
currentElement = new SecurityElement("Criteria");
if (entry.MachineName != null)
currentElement.AddAttribute("machine", entry.MachineName);
if (entry.Category != null)
currentElement.AddAttribute("category", entry.Category);
if (entry.Label != null)
currentElement.AddAttribute("label", entry.Label);
}
int currentAccess = (int)entry.PermissionAccess;
if (currentAccess != 0) {
StringBuilder accessStringBuilder = null;
int[] enumValues = (int[])Enum.GetValues(typeof(MessageQueuePermissionAccess));
Array.Sort(enumValues, InvariantComparer.Default);
for (int index = (enumValues.Length -1); index >= 0; -- index) {
if (enumValues[index] != 0 && ((currentAccess & enumValues[index]) == enumValues[index])) {
if (accessStringBuilder == null)
accessStringBuilder = new StringBuilder();
else
accessStringBuilder.Append("|");
accessStringBuilder.Append(Enum.GetName(typeof(MessageQueuePermissionAccess), enumValues[index]));
currentAccess = currentAccess & (enumValues[index] ^ enumValues[index]);
}
}
currentElement.AddAttribute("access", accessStringBuilder.ToString());
}
root.AddChild(currentElement);
}
return root;
}
///
/// [To be supplied.]
///
public override IPermission Union(IPermission target) {
if (target == null)
return this.Copy();
if (!(target is MessageQueuePermission))
throw new ArgumentException(Res.GetString(Res.InvalidParameter, "target", target.ToString()));
MessageQueuePermission targetQueuePermission = (MessageQueuePermission)target;
MessageQueuePermission newPermission = new MessageQueuePermission();
if (this.IsUnrestricted() || targetQueuePermission.IsUnrestricted()) {
newPermission.isUnrestricted = true;
return newPermission;
}
Hashtable newFormatNames = new Hashtable(GetComparer());
this.ResolveFormatNames();
targetQueuePermission.ResolveFormatNames();
IDictionaryEnumerator formatNamesEnumerator = this.resolvedFormatNames.GetEnumerator();
IDictionaryEnumerator targetFormatNamesEnumerator = targetQueuePermission.resolvedFormatNames.GetEnumerator();
while(formatNamesEnumerator.MoveNext())
newFormatNames[(string)formatNamesEnumerator.Key] = formatNamesEnumerator.Value;
while(targetFormatNamesEnumerator.MoveNext()) {
if (!newFormatNames.ContainsKey(targetFormatNamesEnumerator.Key))
newFormatNames[targetFormatNamesEnumerator.Key] = targetFormatNamesEnumerator.Value;
else {
MessageQueuePermissionAccess currentAccess = (MessageQueuePermissionAccess)newFormatNames[targetFormatNamesEnumerator.Key];
newFormatNames[targetFormatNamesEnumerator.Key] = currentAccess | (MessageQueuePermissionAccess)targetFormatNamesEnumerator.Value;
}
}
newPermission.resolvedFormatNames = newFormatNames;
return newPermission;
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//----------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
namespace System.Messaging {
using System;
using System.Text;
using System.Security;
using System.Security.Permissions;
using System.Collections;
using System.Collections.Specialized;
using System.Globalization;
///
/// [To be supplied.]
///
[
Serializable()
]
public sealed class MessageQueuePermission : CodeAccessPermission, IUnrestrictedPermission {
internal Hashtable resolvedFormatNames;
internal MessageQueuePermissionEntryCollection innerCollection;
internal bool isUnrestricted;
internal const string Any = "*";
///
/// [To be supplied.]
///
public MessageQueuePermission() {
}
///
/// [To be supplied.]
///
public MessageQueuePermission(PermissionState state) {
if (state == PermissionState.Unrestricted)
this.isUnrestricted = true;
else
this.isUnrestricted = false;
}
///
/// [To be supplied.]
///
public MessageQueuePermission(MessageQueuePermissionAccess permissionAccess, string path) {
MessageQueuePermissionEntry entry = new MessageQueuePermissionEntry(permissionAccess, path);
this.PermissionEntries.Add(entry);
}
///
/// [To be supplied.]
///
public MessageQueuePermission(MessageQueuePermissionAccess permissionAccess, string machineName, string label, string category) {
MessageQueuePermissionEntry entry = new MessageQueuePermissionEntry(permissionAccess, machineName, label, category);
this.PermissionEntries.Add(entry);
}
///
/// [To be supplied.]
///
public MessageQueuePermission(MessageQueuePermissionEntry[] permissionAccessEntries) {
if (permissionAccessEntries == null)
throw new ArgumentNullException("permissionAccessEntries");
this.PermissionEntries.AddRange(permissionAccessEntries);
}
///
/// [To be supplied.]
///
public MessageQueuePermissionEntryCollection PermissionEntries {
get {
if (this.innerCollection == null) {
if (this.resolvedFormatNames == null)
this.innerCollection = new MessageQueuePermissionEntryCollection(this);
else {
Hashtable resolvedReference = this.resolvedFormatNames;
this.innerCollection = new MessageQueuePermissionEntryCollection(this);
foreach (string formatName in resolvedReference.Keys) {
string path;
if (formatName == Any)
path = Any;
else
path = "FORMATNAME:" + formatName;
MessageQueuePermissionEntry entry = new MessageQueuePermissionEntry(
(MessageQueuePermissionAccess)resolvedReference[formatName],
path);
this.innerCollection.Add(entry);
}
}
}
return this.innerCollection;
}
}
// Put this in one central place. MSMQ appears to use CompareString
// with LOCALE_INVARIANT and NORM_IGNORECASE.
private static IEqualityComparer GetComparer()
{
return StringComparer.InvariantCultureIgnoreCase;
}
///
/// [To be supplied.]
///
public override IPermission Copy() {
MessageQueuePermission permission = new MessageQueuePermission();
permission.isUnrestricted = this.isUnrestricted;
foreach (MessageQueuePermissionEntry entry in this.PermissionEntries)
permission.PermissionEntries.Add(entry);
permission.resolvedFormatNames = this.resolvedFormatNames;
return permission;
}
///
/// [To be supplied.]
///
[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Performance", "CA1803:AvoidCostlyCallsWherePossible")]
public override void FromXml(SecurityElement securityElement) {
this.PermissionEntries.Clear();
string unrestrictedValue = securityElement.Attribute("Unrestricted");
if (unrestrictedValue != null && (string.Compare(unrestrictedValue, "true", true, CultureInfo.InvariantCulture) == 0)) {
this.isUnrestricted = true;
return;
}
if (securityElement.Children != null) {
for (int index = 0; index < securityElement.Children.Count; ++ index) {
SecurityElement currentElement = (SecurityElement)securityElement.Children[index];
MessageQueuePermissionEntry entry = null;
string accessString = currentElement.Attribute("access");
int permissionAccess = 0;
if (accessString != null) {
string[] accessArray = accessString.Split(new char[]{'|'});
for (int index2 = 0; index2 < accessArray.Length; ++ index2) {
string currentAccess = accessArray[index2].Trim();
if (Enum.IsDefined(typeof(MessageQueuePermissionAccess), currentAccess))
permissionAccess = permissionAccess | (int)Enum.Parse(typeof(MessageQueuePermissionAccess), currentAccess);
}
}
if (currentElement.Tag == "Path") {
string path = currentElement.Attribute("value");
if (path == null)
throw new InvalidOperationException(Res.GetString(Res.InvalidXmlFormat));
entry = new MessageQueuePermissionEntry((MessageQueuePermissionAccess)permissionAccess, path);
}
else if (currentElement.Tag == "Criteria") {
string label = currentElement.Attribute("label");
string category = currentElement.Attribute("category");
string machineName = currentElement.Attribute("machine");
if (machineName == null && label == null && category == null)
throw new InvalidOperationException(Res.GetString(Res.InvalidXmlFormat));
entry = new MessageQueuePermissionEntry((MessageQueuePermissionAccess)permissionAccess, machineName, label, category);
}
else
throw new InvalidOperationException(Res.GetString(Res.InvalidXmlFormat));
this.PermissionEntries.Add(entry);
}
}
}
///
/// [To be supplied.]
///
public override IPermission Intersect(IPermission target) {
if (target == null)
return null;
if (!(target is MessageQueuePermission))
throw new ArgumentException(Res.GetString(Res.InvalidParameter, "target", target.ToString()));
MessageQueuePermission targetQueuePermission = (MessageQueuePermission)target;
if (this.IsUnrestricted())
return targetQueuePermission.Copy();
if (targetQueuePermission.IsUnrestricted())
return this.Copy();
this.ResolveFormatNames();
targetQueuePermission.ResolveFormatNames();
MessageQueuePermission newPermission = new MessageQueuePermission();
Hashtable newFormatNames = new Hashtable(GetComparer());
newPermission.resolvedFormatNames = newFormatNames;
IDictionaryEnumerator formatNamesEnumerator;
Hashtable formatNamesTable;
if (this.resolvedFormatNames.Count < targetQueuePermission.resolvedFormatNames.Count) {
formatNamesEnumerator = this.resolvedFormatNames.GetEnumerator();
formatNamesTable = targetQueuePermission.resolvedFormatNames;
}
else{
formatNamesEnumerator = targetQueuePermission.resolvedFormatNames.GetEnumerator();
formatNamesTable = this.resolvedFormatNames;
}
while(formatNamesEnumerator.MoveNext()) {
if (formatNamesTable.ContainsKey(formatNamesEnumerator.Key)) {
string currentFormatName = (string)formatNamesEnumerator.Key;
MessageQueuePermissionAccess currentAccess = (MessageQueuePermissionAccess)formatNamesEnumerator.Value;
MessageQueuePermissionAccess targetAccess = (MessageQueuePermissionAccess)formatNamesTable[currentFormatName];
newFormatNames.Add(currentFormatName, currentAccess & targetAccess);
}
}
return newPermission;
}
///
/// [To be supplied.]
///
public override bool IsSubsetOf(IPermission target) {
if (target == null)
return false;
if (!(target is MessageQueuePermission))
throw new ArgumentException(Res.GetString(Res.InvalidParameter, "target", target.ToString()));
MessageQueuePermission targetQueuePermission = (MessageQueuePermission)target;
if (targetQueuePermission.IsUnrestricted())
return true;
else if (this.IsUnrestricted())
return false;
this.ResolveFormatNames();
targetQueuePermission.ResolveFormatNames();
//If one of the tables is empty the subset cannot be resolved reliably, should assume
//then that they are not subset of each other.
if ((this.resolvedFormatNames.Count == 0 && targetQueuePermission.resolvedFormatNames.Count != 0) ||
(this.resolvedFormatNames.Count != 0 && targetQueuePermission.resolvedFormatNames.Count == 0))
return false;
//If the target table contains a wild card, all the current formatName access need to be
//a subset of the target.
IDictionaryEnumerator formatNamesEnumerator;
if (targetQueuePermission.resolvedFormatNames.ContainsKey(Any)) {
MessageQueuePermissionAccess targetAccess = (MessageQueuePermissionAccess)targetQueuePermission.resolvedFormatNames[Any];
formatNamesEnumerator = this.resolvedFormatNames.GetEnumerator();
while(formatNamesEnumerator.MoveNext()) {
MessageQueuePermissionAccess currentAccess = (MessageQueuePermissionAccess)formatNamesEnumerator.Value;
if ((currentAccess & targetAccess) != currentAccess)
return false;
}
return true;
}
//If the current table contains a wild card it can be treated as any other format name.
formatNamesEnumerator = this.resolvedFormatNames.GetEnumerator();
while(formatNamesEnumerator.MoveNext()) {
string currentFormatName = (string)formatNamesEnumerator.Key;
if (!targetQueuePermission.resolvedFormatNames.ContainsKey(currentFormatName))
return false;
else {
MessageQueuePermissionAccess currentAccess = (MessageQueuePermissionAccess)formatNamesEnumerator.Value;
MessageQueuePermissionAccess targetAccess = (MessageQueuePermissionAccess)targetQueuePermission.resolvedFormatNames[currentFormatName];
if ((currentAccess & targetAccess) != currentAccess)
return false;
}
}
return true;
}
///
/// [To be supplied.]
///
public bool IsUnrestricted() {
return this.isUnrestricted;
}
internal void ResolveFormatNames() {
if (this.resolvedFormatNames == null) {
this.resolvedFormatNames = new Hashtable(GetComparer());
IEnumerator enumerator = this.PermissionEntries.GetEnumerator();
while (enumerator.MoveNext()) {
MessageQueuePermissionEntry entry = (MessageQueuePermissionEntry)enumerator.Current;
if (entry.Path != null) {
if (entry.Path == Any)
this.resolvedFormatNames.Add(Any, entry.PermissionAccess);
else {
try {
MessageQueue queue = new MessageQueue(entry.Path);
this.resolvedFormatNames.Add(queue.FormatName, entry.PermissionAccess);
}
catch {
//if the format name cannot be resolved, it won't be added to the list
//permissions won't be granted.
}
}
}
else {
try {
MessageQueueCriteria criteria = new MessageQueueCriteria();
if (entry.MachineName != null)
criteria.MachineName = entry.MachineName;
if (entry.Category != null)
criteria.Category = new Guid(entry.Category);
if (entry.Label != null)
criteria.Label = entry.Label;
IEnumerator messageQueues = MessageQueue.GetMessageQueueEnumerator(criteria, false);
while (messageQueues.MoveNext()) {
MessageQueue queue = (MessageQueue)messageQueues.Current;
this.resolvedFormatNames.Add(queue.FormatName, entry.PermissionAccess);
}
}
catch {
//if the criteria cannot be resolved, nothing will be added to the list
//permissions won't be granted.
}
}
}
}
}
///
/// [To be supplied.]
///
public override SecurityElement ToXml() {
SecurityElement root = new SecurityElement("IPermission");
Type type = this.GetType();
root.AddAttribute("class", type.FullName + ", " + type.Module.Assembly.FullName.Replace('\"', '\''));
root.AddAttribute("version", "1");
if (this.isUnrestricted) {
root.AddAttribute("Unrestricted", "true");
return root;
}
IEnumerator enumerator = this.PermissionEntries.GetEnumerator();
while (enumerator.MoveNext()) {
SecurityElement currentElement = null;
MessageQueuePermissionEntry entry = (MessageQueuePermissionEntry)enumerator.Current;
if (entry.Path != null) {
currentElement = new SecurityElement("Path");
currentElement.AddAttribute("value", entry.Path);
}
else {
currentElement = new SecurityElement("Criteria");
if (entry.MachineName != null)
currentElement.AddAttribute("machine", entry.MachineName);
if (entry.Category != null)
currentElement.AddAttribute("category", entry.Category);
if (entry.Label != null)
currentElement.AddAttribute("label", entry.Label);
}
int currentAccess = (int)entry.PermissionAccess;
if (currentAccess != 0) {
StringBuilder accessStringBuilder = null;
int[] enumValues = (int[])Enum.GetValues(typeof(MessageQueuePermissionAccess));
Array.Sort(enumValues, InvariantComparer.Default);
for (int index = (enumValues.Length -1); index >= 0; -- index) {
if (enumValues[index] != 0 && ((currentAccess & enumValues[index]) == enumValues[index])) {
if (accessStringBuilder == null)
accessStringBuilder = new StringBuilder();
else
accessStringBuilder.Append("|");
accessStringBuilder.Append(Enum.GetName(typeof(MessageQueuePermissionAccess), enumValues[index]));
currentAccess = currentAccess & (enumValues[index] ^ enumValues[index]);
}
}
currentElement.AddAttribute("access", accessStringBuilder.ToString());
}
root.AddChild(currentElement);
}
return root;
}
///
/// [To be supplied.]
///
public override IPermission Union(IPermission target) {
if (target == null)
return this.Copy();
if (!(target is MessageQueuePermission))
throw new ArgumentException(Res.GetString(Res.InvalidParameter, "target", target.ToString()));
MessageQueuePermission targetQueuePermission = (MessageQueuePermission)target;
MessageQueuePermission newPermission = new MessageQueuePermission();
if (this.IsUnrestricted() || targetQueuePermission.IsUnrestricted()) {
newPermission.isUnrestricted = true;
return newPermission;
}
Hashtable newFormatNames = new Hashtable(GetComparer());
this.ResolveFormatNames();
targetQueuePermission.ResolveFormatNames();
IDictionaryEnumerator formatNamesEnumerator = this.resolvedFormatNames.GetEnumerator();
IDictionaryEnumerator targetFormatNamesEnumerator = targetQueuePermission.resolvedFormatNames.GetEnumerator();
while(formatNamesEnumerator.MoveNext())
newFormatNames[(string)formatNamesEnumerator.Key] = formatNamesEnumerator.Value;
while(targetFormatNamesEnumerator.MoveNext()) {
if (!newFormatNames.ContainsKey(targetFormatNamesEnumerator.Key))
newFormatNames[targetFormatNamesEnumerator.Key] = targetFormatNamesEnumerator.Value;
else {
MessageQueuePermissionAccess currentAccess = (MessageQueuePermissionAccess)newFormatNames[targetFormatNamesEnumerator.Key];
newFormatNames[targetFormatNamesEnumerator.Key] = currentAccess | (MessageQueuePermissionAccess)targetFormatNamesEnumerator.Value;
}
}
newPermission.resolvedFormatNames = newFormatNames;
return newPermission;
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- TagPrefixCollection.cs
- LayoutEditorPart.cs
- RegularExpressionValidator.cs
- HttpValueCollection.cs
- PasswordTextContainer.cs
- PropertyRecord.cs
- DrawingVisualDrawingContext.cs
- AssemblyBuilderData.cs
- storepermission.cs
- TrustLevelCollection.cs
- DBSqlParserColumnCollection.cs
- LayoutInformation.cs
- XmlConvert.cs
- ForEachAction.cs
- Form.cs
- WebUtil.cs
- GridViewHeaderRowPresenter.cs
- SymbolTable.cs
- LambdaCompiler.ControlFlow.cs
- WindowInteractionStateTracker.cs
- PatternMatcher.cs
- UnsafeNativeMethods.cs
- Comparer.cs
- CanExecuteRoutedEventArgs.cs
- UserThread.cs
- DataObject.cs
- DateTimeParse.cs
- WebPartDisplayModeEventArgs.cs
- HtmlValidationSummaryAdapter.cs
- SoapIncludeAttribute.cs
- CharUnicodeInfo.cs
- ListBase.cs
- SizeKeyFrameCollection.cs
- DesignerLoader.cs
- RepeatButtonAutomationPeer.cs
- WebResponse.cs
- ResourceManager.cs
- CompilerScopeManager.cs
- Accessible.cs
- FrameworkTemplate.cs
- _ContextAwareResult.cs
- ConnectionStringSettings.cs
- DataGridViewCellCollection.cs
- WindowsPen.cs
- DataGridViewSelectedCellCollection.cs
- AccessDataSource.cs
- querybuilder.cs
- ScriptReferenceBase.cs
- DataServiceRequest.cs
- FontResourceCache.cs
- DataViewSetting.cs
- WebPageTraceListener.cs
- CatalogPartCollection.cs
- IisTraceWebEventProvider.cs
- TypeUsage.cs
- ButtonBase.cs
- Enum.cs
- CompositionAdorner.cs
- VersionConverter.cs
- WinCategoryAttribute.cs
- FragmentNavigationEventArgs.cs
- DataList.cs
- ClockGroup.cs
- FileDialogCustomPlace.cs
- BamlLocalizabilityResolver.cs
- TdsParameterSetter.cs
- SeverityFilter.cs
- SystemResourceKey.cs
- SwitchAttribute.cs
- StructureChangedEventArgs.cs
- XmlWriterTraceListener.cs
- MethodToken.cs
- ExpressionQuoter.cs
- NumberSubstitution.cs
- PatternMatcher.cs
- AccessibleObject.cs
- HttpListenerContext.cs
- SecurityPolicySection.cs
- OleDbCommandBuilder.cs
- FormClosedEvent.cs
- _HeaderInfoTable.cs
- MarkupCompilePass2.cs
- ZipIOBlockManager.cs
- Command.cs
- PixelFormats.cs
- configsystem.cs
- TrustSection.cs
- KeyMatchBuilder.cs
- DetailsViewModeEventArgs.cs
- TypedTableBaseExtensions.cs
- TypeBrowser.xaml.cs
- FrameworkReadOnlyPropertyMetadata.cs
- MouseActionConverter.cs
- ValueHandle.cs
- ParamArrayAttribute.cs
- BreadCrumbTextConverter.cs
- MobileTemplatedControlDesigner.cs
- ElapsedEventArgs.cs
- HostingMessageProperty.cs
- FacetChecker.cs