internal UrlBuilder(HttpContextBase httpContext, VirtualPathUtilityBase virtualPathUtility, string path, object parameters)
{
_virtualPathUtility = virtualPathUtility;
Uri uri;
if (Uri.TryCreate(path, UriKind.Absolute, out uri))
{
_path = uri.GetLeftPart(UriPartial.Path);
_params.Append(uri.Query);
}
else
{
// If the url is being built as part of a WebPages request, use the template stack to identify the current template's virtual path.
_path = GetPageRelativePath(httpContext, path);
int queryStringIndex = (_path ?? String.Empty).IndexOf('?');
if (queryStringIndex != -1)
{
_params.Append(_path.Substring(queryStringIndex));
_path = _path.Substring(0, queryStringIndex);
}
}
if (parameters != null)
{
AddParam(parameters);
}
}
internal UrlBuilder(HttpContextBase httpContext, VirtualPathUtilityBase virtualPathUtility, string path, object parameters)
{
_virtualPathUtility = virtualPathUtility;
Uri uri;
if (Uri.TryCreate(path, UriKind.Absolute, out uri))
{
_path = uri.GetLeftPart(UriPartial.Path);
_params.Append(uri.Query);
}
else
{
// If the url is being built as part of a WebPages request, use the template stack to identify the current template's virtual path.
_path = GetPageRelativePath(httpContext, path);
int queryStringIndex = (_path ?? String.Empty).IndexOf('?');
if (queryStringIndex != -1)
{
_params.Append(_path.Substring(queryStringIndex));
_path = _path.Substring(0, queryStringIndex);
}
}
if (parameters != null)
{
AddParam(parameters);
}
}
internal static HelperResult Flash(HttpContextBase context, VirtualPathUtilityBase pathUtility, string path,
string width = null, string height = null, bool play = true, bool loop = true, bool menu = true,
string backgroundColor = null, string quality = null, string scale = null, string windowMode = null,
string baseUrl = null, string version = null, object options = null, object htmlAttributes = null, string embedName = null)
{
var parameters = ObjectToDictionary(options, "options", _flashBlacklist);
if (!play)
{
parameters["play"] = false;
}
if (!loop)
{
parameters["loop"] = false;
}
if (!menu)
{
parameters["menu"] = false;
}
if (!String.IsNullOrEmpty(backgroundColor))
{
parameters["bgColor"] = backgroundColor;
}
if (!String.IsNullOrEmpty(quality))
{
parameters["quality"] = quality;
}
if (!String.IsNullOrEmpty(scale))
{
parameters["scale"] = scale;
}
if (!String.IsNullOrEmpty(windowMode))
{
parameters["wmode"] = windowMode;
}
if (!String.IsNullOrEmpty(baseUrl))
{
parameters["base"] = baseUrl;
}
string cab = FlashCab;
if (!String.IsNullOrEmpty(version))
{
cab += "#version=" + version.Replace('.', ',');
}
return(GetHtml(context, pathUtility, path, width, height,
OleMimeType, null, FlashClassId, cab, "movie", FlashMimeType, parameters, htmlAttributes, embedName));
}
internal static HelperResult MediaPlayer(HttpContextBase context, VirtualPathUtilityBase pathUtility, string path, string width = null, string height = null,
bool autoStart = true, int playCount = 1, string uiMode = null, bool stretchToFit = false,
bool enableContextMenu = true, bool mute = false, int volume = -1, string baseUrl = null,
object options = null, object htmlAttributes = null, string embedName = null)
{
var parameters = ObjectToDictionary(options, "options", _mediaPlayerBlacklist);
if (!autoStart)
{
parameters["autoStart"] = false;
}
if (playCount != 1)
{
parameters["playCount"] = playCount;
}
if (!String.IsNullOrEmpty(uiMode))
{
parameters["uiMode"] = uiMode;
}
if (stretchToFit)
{
parameters["stretchToFit"] = true;
}
if (!enableContextMenu)
{
parameters["enableContextMenu"] = false;
}
if (mute)
{
parameters["mute"] = true;
}
if (volume >= 0)
{
parameters["volume"] = Math.Min(volume, 100);
}
if (!String.IsNullOrEmpty(baseUrl))
{
parameters["baseURL"] = baseUrl;
}
return(GetHtml(context, pathUtility, path, width, height,
null, null, MediaPlayerClassId, null, "URL", MediaPlayerMimeType, parameters, htmlAttributes, embedName));
}
internal static HelperResult Silverlight(HttpContextBase context, VirtualPathUtilityBase pathUtility, string path, string width, string height,
string backgroundColor = null, string initParameters = null, string minimumVersion = null, bool autoUpgrade = true,
object options = null, object htmlAttributes = null)
{
if (String.IsNullOrEmpty(width))
{
throw new ArgumentException(CommonResources.Argument_Cannot_Be_Null_Or_Empty, "width");
}
if (String.IsNullOrEmpty(height))
{
throw new ArgumentException(CommonResources.Argument_Cannot_Be_Null_Or_Empty, "height");
}
var parameters = ObjectToDictionary(options, "options", _silverlightBlacklist);
if (!String.IsNullOrEmpty(backgroundColor))
{
parameters["background"] = backgroundColor;
}
if (!String.IsNullOrEmpty(initParameters))
{
parameters["initparams"] = initParameters;
}
if (!String.IsNullOrEmpty(minimumVersion))
{
parameters["minruntimeversion"] = minimumVersion;
}
if (!autoUpgrade)
{
parameters["autoUpgrade"] = autoUpgrade;
}
return(GetHtml(context, pathUtility, path, width, height,
SilverlightMimeType, "data:" + SilverlightMimeType + ",", // ',' required for Opera support
null, null, "source", null, parameters, htmlAttributes, null,
tw =>
{
tw.WriteLine("<a href=\"http://go.microsoft.com/fwlink/?LinkID=149156\" style=\"text-decoration:none\">");
tw.WriteLine("<img src=\"http://go.microsoft.com/fwlink?LinkId=108181\" alt=\"Get Microsoft Silverlight\" style=\"border-style:none\"/>");
tw.WriteLine("</a>");
}));
}
internal static bool Validate(HttpContextBase context, string privateKey, VirtualPathUtilityBase virtualPathUtility)
{
privateKey = privateKey ?? PrivateKey;
if (String.IsNullOrEmpty(privateKey))
{
throw new ArgumentException(CommonResources.Argument_Cannot_Be_Null_Or_Empty, "privateKey");
}
SetLastError(context, String.Empty);
string postedBody = GetValidatePostData(context, privateKey, virtualPathUtility);
if (String.IsNullOrEmpty(postedBody))
{
return(false);
}
string result = ExecuteValidateRequest(postedBody);
return(HandleValidateResponse(context, result));
}
private static string ValidatePath(HttpContextBase context, VirtualPathUtilityBase pathUtility, string path)
{
if (String.IsNullOrEmpty(path))
{
throw new ArgumentException(CommonResources.Argument_Cannot_Be_Null_Or_Empty, "path");
}
string originalPath = path;
if (!path.StartsWith("http", StringComparison.OrdinalIgnoreCase))
{
// resolve relative paths
path = pathUtility.Combine(context.Request.AppRelativeCurrentExecutionFilePath, path);
// resolve to app absolute - SL doesn't support app relative
path = pathUtility.ToAbsolute(path);
if (!File.Exists(context.Server.MapPath(path)))
{
throw new InvalidOperationException(String.Format(CultureInfo.CurrentUICulture,
HelpersToolkitResources.Video_FileDoesNotExist, originalPath));
}
}
return(path);
}
private static HelperResult GetHtml(HttpContextBase context, VirtualPathUtilityBase pathUtility,
string path, string width, string height, string objectType, string objectDataType,
string objectClassId, string objectCodeBase, string pathParamName, string embedContentType,
IDictionary <string, object> parameters = null, object htmlAttributes = null, string embedName = null,
Action <TextWriter> plugin = null)
{
path = ValidatePath(context, pathUtility, path);
var objectAttr = ObjectToDictionary(htmlAttributes, "htmlAttributes", _globalBlacklist);
objectAttr["width"] = width;
objectAttr["height"] = height;
objectAttr["type"] = objectType;
objectAttr["data"] = objectDataType;
objectAttr["classid"] = objectClassId;
objectAttr["codebase"] = objectCodeBase;
return(new HelperResult(tw =>
{
tw.Write("<object ");
foreach (var a in objectAttr.OrderBy(a => a.Key, StringComparer.OrdinalIgnoreCase))
{
var value = (a.Value == null) ? null : a.Value.ToString();
WriteIfNotNullOrEmpty(tw, a.Key, value);
}
tw.WriteLine(">");
// object parameters
if (!String.IsNullOrEmpty(pathParamName))
{
tw.WriteLine("<param name=\"{0}\" value=\"{1}\" />",
HttpUtility.HtmlAttributeEncode(pathParamName),
HttpUtility.HtmlAttributeEncode(HttpUtility.UrlPathEncode(path)));
}
if (parameters != null)
{
foreach (var p in parameters)
{
tw.WriteLine("<param name=\"{0}\" value=\"{1}\" />",
HttpUtility.HtmlAttributeEncode(p.Key),
HttpUtility.HtmlAttributeEncode(p.Value.ToString()));
}
}
if (!String.IsNullOrEmpty(embedContentType))
{
tw.Write("<embed src=\"{0}\" ", HttpUtility.HtmlAttributeEncode(HttpUtility.UrlPathEncode(path)));
WriteIfNotNullOrEmpty(tw, "width", width);
WriteIfNotNullOrEmpty(tw, "height", height);
WriteIfNotNullOrEmpty(tw, "name", embedName);
WriteIfNotNullOrEmpty(tw, "type", embedContentType);
if (parameters != null)
{
foreach (var p in parameters)
{
tw.Write("{0}=\"{1}\" ", HttpUtility.HtmlEncode(p.Key), HttpUtility.HtmlAttributeEncode(p.Value.ToString()));
}
}
tw.WriteLine("/>");
}
if (plugin != null)
{
plugin(tw);
}
tw.WriteLine("</object>");
}));
}
internal static HelperResult Flash(HttpContextBase context, VirtualPathUtilityBase pathUtility, string path,
string width = null, string height = null, bool play = true, bool loop = true, bool menu = true,
string bgColor = null, string quality = null, string scale = null, string windowMode = null,
string baseUrl = null, string version = null, object options = null, object htmlAttributes = null, string embedName = null) {
Dictionary<string, object> parameters = ObjectToDictionary(options, "options", FlashBlacklist);
if (!play) {
parameters["play"] = false;
}
if (!loop) {
parameters["loop"] = false;
}
if (!menu) {
parameters["menu"] = false;
}
if (!String.IsNullOrEmpty(bgColor)) {
parameters["bgColor"] = bgColor;
}
if (!String.IsNullOrEmpty(quality)) {
parameters["quality"] = quality;
}
if (!String.IsNullOrEmpty(scale)) {
parameters["scale"] = scale;
}
if (!String.IsNullOrEmpty(windowMode)) {
parameters["wmode"] = windowMode;
}
if (!String.IsNullOrEmpty(baseUrl)) {
parameters["base"] = baseUrl;
}
string cab = FlashCab;
if (!String.IsNullOrEmpty(version)) {
cab += "#version=" + version.Replace('.', ',');
}
return GetHtml(context, pathUtility, path, width, height,
OleMimeType, null, FlashClassId, cab, "movie", FlashMimeType, parameters, htmlAttributes, embedName);
}
private static string ValidatePath(HttpContextBase context, VirtualPathUtilityBase pathUtility, string path) {
if (String.IsNullOrEmpty(path)) {
throw new ArgumentException(CommonResources.Argument_Cannot_Be_Null_Or_Empty, "path");
}
string _path = path;
if (!path.StartsWith("http", StringComparison.OrdinalIgnoreCase)) {
// resolve relative paths
path = pathUtility.Combine(context.Request.AppRelativeCurrentExecutionFilePath, path);
// resolve to app absolute - SL doesn't support app relative
path = pathUtility.ToAbsolute(path);
if (!File.Exists(context.Server.MapPath(path))) {
throw new InvalidOperationException(String.Format(CultureInfo.CurrentUICulture,
HelpersToolkitResources.Video_FileDoesNotExist, _path));
}
}
return path;
}
private static HelperResult GetHtml(HttpContextBase context, VirtualPathUtilityBase pathUtility,
string path, string width, string height, string objectType, string objectDataType,
string objectClassId, string objectCodeBase, string pathParamName, string embedContentType,
IDictionary<string, object> parameters = null, object htmlAttributes = null, string embedName = null,
Action<TextWriter> plugin = null) {
path = ValidatePath(context, pathUtility, path);
Dictionary<string, object> objectAttr = ObjectToDictionary(htmlAttributes, "htmlAttributes", GlobalBlacklist);
objectAttr["width"] = width;
objectAttr["height"] = height;
objectAttr["type"] = objectType;
objectAttr["data"] = objectDataType;
objectAttr["classid"] = objectClassId;
objectAttr["codebase"] = objectCodeBase;
return new HelperResult(tw => {
tw.Write("<object ");
foreach (var a in objectAttr.OrderBy(a => a.Key, StringComparer.OrdinalIgnoreCase)) {
var value = (a.Value == null) ? null : a.Value.ToString();
WriteIfNotNullOrEmpty(tw, a.Key, value);
}
tw.WriteLine(">");
// object parameters
if (!String.IsNullOrEmpty(pathParamName)) {
tw.WriteLine("<param name=\"{0}\" value=\"{1}\" />",
HttpUtility.HtmlAttributeEncode(pathParamName),
HttpUtility.HtmlAttributeEncode(HttpUtility.UrlPathEncode(path)));
}
if (parameters != null) {
foreach (var p in parameters) {
tw.WriteLine("<param name=\"{0}\" value=\"{1}\" />",
HttpUtility.HtmlAttributeEncode(p.Key),
HttpUtility.HtmlAttributeEncode(p.Value.ToString()));
}
}
// embed tag and parameters: used by Netscape and IE on Mac
if (!String.IsNullOrEmpty(embedContentType)) {
tw.Write("<embed src=\"{0}\" ", HttpUtility.HtmlAttributeEncode(HttpUtility.UrlPathEncode(path)));
WriteIfNotNullOrEmpty(tw, "width", width);
WriteIfNotNullOrEmpty(tw, "height", height);
WriteIfNotNullOrEmpty(tw, "name", embedName);
WriteIfNotNullOrEmpty(tw, "type", embedContentType);
if (parameters != null) {
foreach (var p in parameters) {
tw.Write("{0}=\"{1}\" ", HttpUtility.HtmlEncode(p.Key), HttpUtility.HtmlAttributeEncode(p.Value.ToString()));
}
}
tw.WriteLine("/>");
}
if (plugin != null) {
plugin(tw);
}
tw.WriteLine("</object>");
});
}
internal static HelperResult Silverlight(HttpContextBase context, VirtualPathUtilityBase pathUtility, string path, string width, string height,
string bgColor = null, string initParameters = null, string minimumVersion = null, bool autoUpgrade = true,
object options = null, object htmlAttributes = null) {
if (String.IsNullOrEmpty(width)) {
throw new ArgumentException(CommonResources.Argument_Cannot_Be_Null_Or_Empty, "width");
}
if (String.IsNullOrEmpty(height)) {
throw new ArgumentException(CommonResources.Argument_Cannot_Be_Null_Or_Empty, "height");
}
Dictionary<string, object> parameters = ObjectToDictionary(options, "options", SilverlightBlacklist);
if (!String.IsNullOrEmpty(bgColor)) {
parameters["background"] = bgColor;
}
if (!String.IsNullOrEmpty(initParameters)) {
parameters["initparams"] = initParameters;
}
if (!String.IsNullOrEmpty(minimumVersion)) {
parameters["minruntimeversion"] = minimumVersion;
}
if (!autoUpgrade) {
parameters["autoUpgrade"] = autoUpgrade;
}
return GetHtml(context, pathUtility, path, width, height,
SilverlightMimeType, "data:" + SilverlightMimeType + ",", // ',' required for Opera support
null, null, "source", null, parameters, htmlAttributes, null,
tw => {
tw.WriteLine("<a href=\"http://go.microsoft.com/fwlink/?LinkID=149156\" style=\"text-decoration:none\">");
tw.WriteLine("<img src=\"http://go.microsoft.com/fwlink?LinkId=108181\" alt=\"Get Microsoft Silverlight\" style=\"border-style:none\"/>");
tw.WriteLine("</a>");
});
}
internal static HelperResult MediaPlayer(HttpContextBase context, VirtualPathUtilityBase pathUtility, string path, string width = null, string height = null,
bool autoStart = true, int playCount = 1, string uiMode = null, bool stretchToFit = false,
bool enableContextMenu = true, bool mute = false, int volume = -1, string baseUrl = null,
object options = null, object htmlAttributes = null, string embedName = null) {
Dictionary<string, object> parameters = ObjectToDictionary(options, "options", MediaPlayerBlacklist);
if (!autoStart) {
parameters["autoStart"] = false;
}
if (playCount != 1) {
parameters["playCount"] = playCount;
}
if (!String.IsNullOrEmpty(uiMode)) {
parameters["uiMode"] = uiMode;
}
if (stretchToFit) {
parameters["stretchToFit"] = true;
}
if (!enableContextMenu) {
parameters["enableContextMenu"] = false;
}
if (mute) {
parameters["mute"] = true;
}
if (volume >= 0) {
parameters["volume"] = Math.Min(volume, 100);
}
if (!string.IsNullOrEmpty(baseUrl)) {
parameters["baseURL"] = baseUrl;
}
return GetHtml(context, pathUtility, path, width, height,
null, null, MediaPlayerClassId, null, "URL", MediaPlayerMimeType, parameters, htmlAttributes, embedName);
}
internal static string GetValidatePostData(HttpContextBase context, string privateKey, VirtualPathUtilityBase virtualPathUtility) {
string remoteIP = context.Request.ServerVariables["REMOTE_ADDR"];
if (String.IsNullOrEmpty(remoteIP)) {
throw new InvalidOperationException(HelpersToolkitResources.ReCaptcha_RemoteIPNotFound);
}
// Noscript rendering requires the user to copy and paste the challenge string to a textarea.
// When the challenge is invalid the recaptcha service doesn't return an error that affects
// UI rendering, so Validate should just return false without issuing the web request.
string challenge = context.Request.Form["recaptcha_challenge_field"];
if (String.IsNullOrEmpty(challenge)) {
return String.Empty;
}
string response = (context.Request.Form["recaptcha_response_field"] ?? String.Empty).Trim();
var builder = new UrlBuilder(context, virtualPathUtility, path: null, parameters: null)
.AddParam("privatekey", privateKey)
.AddParam("remoteip", context.Request.ServerVariables["REMOTE_ADDR"])
.AddParam("challenge", challenge)
.AddParam("response", response);
// Trim the leading ? and return the QueryString
return builder.QueryString.Substring(1);
}
internal static bool Validate(HttpContextBase context, string privateKey, VirtualPathUtilityBase virtualPathUtility) {
privateKey = privateKey ?? PrivateKey;
if (String.IsNullOrEmpty(privateKey)) {
throw new ArgumentException(CommonResources.Argument_Cannot_Be_Null_Or_Empty, "privateKey");
}
SetLastError(context, String.Empty);
string postedBody = GetValidatePostData(context, privateKey, virtualPathUtility);
if (String.IsNullOrEmpty(postedBody)) {
return false;
}
string result = ExecuteValidateRequest(postedBody);
return HandleValidateResponse(context, result);
}
internal static string GetValidatePostData(HttpContextBase context, string privateKey, VirtualPathUtilityBase virtualPathUtility)
{
string remoteIP = context.Request.ServerVariables["REMOTE_ADDR"];
if (String.IsNullOrEmpty(remoteIP))
{
throw new InvalidOperationException(HelpersToolkitResources.ReCaptcha_RemoteIPNotFound);
}
// Noscript rendering requires the user to copy and paste the challenge string to a textarea.
// When the challenge is invalid the recaptcha service doesn't return an error that affects
// UI rendering, so Validate should just return false without issuing the web request.
string challenge = context.Request.Form["recaptcha_challenge_field"];
if (String.IsNullOrEmpty(challenge))
{
return(String.Empty);
}
string response = (context.Request.Form["recaptcha_response_field"] ?? String.Empty).Trim();
var builder = new UrlBuilder(context, virtualPathUtility, path: null, parameters: null)
.AddParam("privatekey", privateKey)
.AddParam("remoteip", context.Request.ServerVariables["REMOTE_ADDR"])
.AddParam("challenge", challenge)
.AddParam("response", response);
// Trim the leading ? and return the QueryString
return(builder.QueryString.Substring(1));
}