/// <summary>
/// Constructs an instance of <cref see="MobileCapabilitiesProvider"/>.
/// All default values remain the same and are unaltered.
/// </summary>
/// <param name="parent"></param>
public MobileCapabilitiesProvider(HttpCapabilitiesDefaultProvider parent)
: base(parent)
{
EventLog.Debug("Constructing MobileCapabilitiesProvider with parent");
#if DEBUG
LogStackTrace();
#endif
}
/// <summary>
/// Constructs an instance of <cref see="MobileCapabilitiesProvider"/>.
/// Sets the cache key length to a value of 256 to allow for mobile
/// useragents that can often be longer than the default 64 characters.
/// </summary>
public MobileCapabilitiesProvider(HttpCapabilitiesDefaultProvider parent)
: base(parent)
{
EventLog.Debug("Constructing MobileCapabilitiesProvider - HttpCapabilitiesDefaultProvider");
#if DEBUG
LogStackTrace();
#endif
_parent = parent;
base.UserAgentCacheKeyLength = 256;
}
GetBrowserCapabilities(HttpRequest request)
{
HttpCapabilitiesDefaultProvider defaults =
new HttpCapabilitiesDefaultProvider();
HttpBrowserCapabilities caps = defaults.GetBrowserCapabilities(request);
if (request.UserAgent.Contains("Kindle Fire"))
{
caps.Capabilities["Browser"] = "Silk";
caps.Capabilities["IsMobileDevice"] = "true";
caps.Capabilities["MobileDeviceManufacturer"] = "Amazon";
caps.Capabilities["MobileDeviceModel"] = "Kindle Fire";
if (request.UserAgent.Contains("Kindle Fire HD"))
{
caps.Capabilities["MobileDeviceModel"] = "Kindle Fire HD";
}
}
return(caps);
}
internal override bool ProcessMainDirectiveAttribute(string deviceName, string name, string value, IDictionary parseData)
{
switch (name)
{
case "errorpage":
this._errorPage = System.Web.UI.Util.GetNonEmptyAttribute(name, value);
return(false);
case "contenttype":
System.Web.UI.Util.GetNonEmptyAttribute(name, value);
return(false);
case "theme":
if (!base.IsExpressionBuilderValue(value))
{
System.Web.UI.Util.CheckThemeAttribute(value);
return(false);
}
return(false);
case "stylesheettheme":
base.ValidateBuiltInAttribute(deviceName, name, value);
System.Web.UI.Util.CheckThemeAttribute(value);
this._styleSheetTheme = value;
return(true);
case "enablesessionstate":
this.flags[0x100000] = true;
this.flags[0x200000] = false;
if (!System.Web.UI.Util.IsFalseString(value))
{
if (StringUtil.EqualsIgnoreCase(value, "readonly"))
{
this.flags[0x200000] = true;
}
else if (!System.Web.UI.Util.IsTrueString(value))
{
base.ProcessError(System.Web.SR.GetString("Enablesessionstate_must_be_true_false_or_readonly"));
}
break;
}
this.flags[0x100000] = false;
break;
case "culture":
this._culture = System.Web.UI.Util.GetNonEmptyAttribute(name, value);
if (!HttpRuntime.HasAspNetHostingPermission(AspNetHostingPermissionLevel.Medium))
{
throw new HttpException(System.Web.SR.GetString("Insufficient_trust_for_attribute", new object[] { "culture" }));
}
if (!StringUtil.EqualsIgnoreCase(value, HttpApplication.AutoCulture))
{
CultureInfo info;
try
{
if (StringUtil.StringStartsWithIgnoreCase(value, HttpApplication.AutoCulture))
{
this._culture = this._culture.Substring(5);
}
info = HttpServerUtility.CreateReadOnlyCultureInfo(this._culture);
}
catch
{
base.ProcessError(System.Web.SR.GetString("Invalid_attribute_value", new object[] { this._culture, "culture" }));
return(false);
}
if (info.IsNeutralCulture)
{
base.ProcessError(System.Web.SR.GetString("Invalid_culture_attribute", new object[] { System.Web.UI.Util.GetSpecificCulturesFormattedList(info) }));
}
}
return(false);
case "lcid":
if (!base.IsExpressionBuilderValue(value))
{
this._lcid = System.Web.UI.Util.GetNonNegativeIntegerAttribute(name, value);
try
{
HttpServerUtility.CreateReadOnlyCultureInfo(this._lcid);
}
catch
{
base.ProcessError(System.Web.SR.GetString("Invalid_attribute_value", new object[] { this._lcid.ToString(CultureInfo.InvariantCulture), "lcid" }));
}
return(false);
}
return(false);
case "uiculture":
System.Web.UI.Util.GetNonEmptyAttribute(name, value);
return(false);
case "responseencoding":
if (!base.IsExpressionBuilderValue(value))
{
this._responseEncoding = System.Web.UI.Util.GetNonEmptyAttribute(name, value);
Encoding.GetEncoding(this._responseEncoding);
return(false);
}
return(false);
case "codepage":
if (!base.IsExpressionBuilderValue(value))
{
this._codePage = System.Web.UI.Util.GetNonNegativeIntegerAttribute(name, value);
Encoding.GetEncoding(this._codePage);
return(false);
}
return(false);
case "transaction":
base.OnFoundAttributeRequiringCompilation(name);
this.ParseTransactionAttribute(name, value);
goto Label_05CF;
case "aspcompat":
base.OnFoundAttributeRequiringCompilation(name);
this.flags[0x40] = System.Web.UI.Util.GetBooleanAttribute(name, value);
if (this.flags[0x40] && !HttpRuntime.HasUnmanagedPermission())
{
throw new HttpException(System.Web.SR.GetString("Insufficient_trust_for_attribute", new object[] { "AspCompat" }));
}
goto Label_05CF;
case "async":
base.OnFoundAttributeRequiringCompilation(name);
this.flags[0x800000] = System.Web.UI.Util.GetBooleanAttribute(name, value);
if (!HttpRuntime.HasAspNetHostingPermission(AspNetHostingPermissionLevel.Medium))
{
throw new HttpException(System.Web.SR.GetString("Insufficient_trust_for_attribute", new object[] { "async" }));
}
goto Label_05CF;
case "tracemode":
{
object obj2 = System.Web.UI.Util.GetEnumAttribute(name, value, typeof(TraceModeInternal));
this._traceMode = (System.Web.TraceMode)obj2;
goto Label_05CF;
}
case "trace":
if (!System.Web.UI.Util.GetBooleanAttribute(name, value))
{
this._traceEnabled = TraceEnable.Disable;
}
else
{
this._traceEnabled = TraceEnable.Enable;
}
goto Label_05CF;
case "smartnavigation":
base.ValidateBuiltInAttribute(deviceName, name, value);
return(!System.Web.UI.Util.GetBooleanAttribute(name, value));
case "maintainscrollpositiononpostback":
return(!System.Web.UI.Util.GetBooleanAttribute(name, value));
case "validaterequest":
this.flags[0x400000] = System.Web.UI.Util.GetBooleanAttribute(name, value);
goto Label_05CF;
case "clienttarget":
if (!base.IsExpressionBuilderValue(value))
{
HttpCapabilitiesDefaultProvider.GetUserAgentFromClientTarget(base.CurrentVirtualPath, value);
return(false);
}
return(false);
case "masterpagefile":
if (!base.IsExpressionBuilderValue(value))
{
if (value.Length > 0)
{
Type referencedType = base.GetReferencedType(value);
if (!typeof(MasterPage).IsAssignableFrom(referencedType))
{
base.ProcessError(System.Web.SR.GetString("Invalid_master_base", new object[] { value }));
}
if (deviceName.Length > 0)
{
this.EnsureMasterPageFileFromConfigApplied();
}
}
this._mainDirectiveMasterPageSet = true;
return(false);
}
return(false);
default:
return(base.ProcessMainDirectiveAttribute(deviceName, name, value, parseData));
}
if (this.flags[0x100000])
{
base.OnFoundAttributeRequiringCompilation(name);
}
Label_05CF:
base.ValidateBuiltInAttribute(deviceName, name, value);
return(true);
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="parent">
/// The <see cref="HttpCapabilitiesDefaultProvider"/> instance to use
/// for initializing a new instance.
/// </param>
public CapabilitiesProvider(HttpCapabilitiesDefaultProvider parent) : base(parent)
{
}
internal override bool ProcessMainDirectiveAttribute(string deviceName, string name,
string value, IDictionary parseData)
{
switch (name)
{
case "errorpage":
_errorPage = Util.GetNonEmptyAttribute(name, value);
// Return false to let the generic attribute processing continue
return(false);
case "contenttype":
// Check validity
Util.GetNonEmptyAttribute(name, value);
// Return false to let the generic attribute processing continue
return(false);
case "theme":
if (IsExpressionBuilderValue(value))
{
return(false);
}
// Check validity
Util.CheckThemeAttribute(value);
// Return false to let the generic attribute processing continue
return(false);
case "stylesheettheme":
// Make sure no device filter or expression builder was specified
ValidateBuiltInAttribute(deviceName, name, value);
// Check validity
Util.CheckThemeAttribute(value);
_styleSheetTheme = value;
return(true);
case "enablesessionstate":
flags[requiresSessionState] = true;
flags[readOnlySessionState] = false;
if (Util.IsFalseString(value))
{
flags[requiresSessionState] = false;
}
else if (StringUtil.EqualsIgnoreCase(value, "readonly"))
{
flags[readOnlySessionState] = true;
}
else if (!Util.IsTrueString(value))
{
ProcessError(SR.GetString(SR.Enablesessionstate_must_be_true_false_or_readonly));
}
if (flags[requiresSessionState])
{
// Session state is only available for compiled pages
OnFoundAttributeRequiringCompilation(name);
}
break;
case "culture":
_culture = Util.GetNonEmptyAttribute(name, value);
// Setting culture requires medium permission
if (!HttpRuntime.HasAspNetHostingPermission(AspNetHostingPermissionLevel.Medium))
{
throw new HttpException(SR.GetString(SR.Insufficient_trust_for_attribute, "culture"));
}
//do not verify at parse time if potentially using browser AutoDetect
if (StringUtil.EqualsIgnoreCase(value, HttpApplication.AutoCulture))
{
return(false);
}
// Create a CultureInfo just to verify validity
CultureInfo cultureInfo;
try {
if (StringUtil.StringStartsWithIgnoreCase(value, HttpApplication.AutoCulture))
{
//safe to trim leading "auto:", string used elsewhere for null check
_culture = _culture.Substring(5);
}
cultureInfo = HttpServerUtility.CreateReadOnlyCultureInfo(_culture);
}
catch {
ProcessError(SR.GetString(SR.Invalid_attribute_value, _culture, "culture"));
return(false);
}
// Don't allow neutral cultures (ASURT 77930)
if (cultureInfo.IsNeutralCulture)
{
ProcessError(SR.GetString(SR.Invalid_culture_attribute,
Util.GetSpecificCulturesFormattedList(cultureInfo)));
}
// Return false to let the generic attribute processing continue
return(false);
case "lcid":
// Skip validity check for expression builder (e.g. <%$ ... %>)
if (IsExpressionBuilderValue(value))
{
return(false);
}
_lcid = Util.GetNonNegativeIntegerAttribute(name, value);
// Create a CultureInfo just to verify validity
try {
HttpServerUtility.CreateReadOnlyCultureInfo(_lcid);
}
catch {
ProcessError(SR.GetString(SR.Invalid_attribute_value,
_lcid.ToString(CultureInfo.InvariantCulture), "lcid"));
}
// Return false to let the generic attribute processing continue
return(false);
case "uiculture":
// Check validity
Util.GetNonEmptyAttribute(name, value);
// Return false to let the generic attribute processing continue
return(false);
case "responseencoding":
// Skip validity check for expression builder (e.g. <%$ ... %>)
if (IsExpressionBuilderValue(value))
{
return(false);
}
_responseEncoding = Util.GetNonEmptyAttribute(name, value);
// Call Encoding.GetEncoding just to verify validity
Encoding.GetEncoding(_responseEncoding);
// Return false to let the generic attribute processing continue
return(false);
case "codepage":
// Skip validity check for expression builder (e.g. <%$ ... %>)
if (IsExpressionBuilderValue(value))
{
return(false);
}
_codePage = Util.GetNonNegativeIntegerAttribute(name, value);
// Call Encoding.GetEncoding just to verify validity
Encoding.GetEncoding(_codePage);
// Return false to let the generic attribute processing continue
return(false);
case "transaction":
// This only makes sense for compiled pages
OnFoundAttributeRequiringCompilation(name);
ParseTransactionAttribute(name, value);
break;
case "aspcompat":
// This only makes sense for compiled pages
OnFoundAttributeRequiringCompilation(name);
flags[aspCompatMode] = Util.GetBooleanAttribute(name, value);
// Only allow the use of aspcompat when we have UnmanagedCode access (ASURT 76694)
if (flags[aspCompatMode] && !HttpRuntime.HasUnmanagedPermission())
{
throw new HttpException(SR.GetString(SR.Insufficient_trust_for_attribute, "AspCompat"));
}
break;
case "async":
// This only makes sense for compiled pages
OnFoundAttributeRequiringCompilation(name);
flags[asyncMode] = Util.GetBooleanAttribute(name, value);
// Async requires Medium trust
if (!HttpRuntime.HasAspNetHostingPermission(AspNetHostingPermissionLevel.Medium))
{
throw new HttpException(SR.GetString(SR.Insufficient_trust_for_attribute, "async"));
}
break;
case "tracemode":
// We use TraceModeInternal instead of TraceMode to disallow the 'default' value (ASURT 75783)
object tmpObj = Util.GetEnumAttribute(name, value, typeof(TraceModeInternal));
_traceMode = (TraceMode)tmpObj;
break;
case "trace":
bool traceEnabled = Util.GetBooleanAttribute(name, value);
if (traceEnabled)
{
_traceEnabled = TraceEnable.Enable;
}
else
{
_traceEnabled = TraceEnable.Disable;
}
break;
case "smartnavigation":
// Make sure no device filter or expression builder was specified, since it doesn't make much
// sense for smartnav (which only works on IE5.5+) (VSWhidbey 85876)
ValidateBuiltInAttribute(deviceName, name, value);
// Ignore it if it has default value. Otherwise, let the generic
// attribute processing continue
bool smartNavigation = Util.GetBooleanAttribute(name, value);
return(smartNavigation == Page.SmartNavigationDefault);
case "maintainscrollpositiononpostback":
bool maintainScrollPosition = Util.GetBooleanAttribute(name, value);
return(maintainScrollPosition == Page.MaintainScrollPositionOnPostBackDefault);
case "validaterequest":
flags[validateRequest] = Util.GetBooleanAttribute(name, value);
break;
case "clienttarget":
// Skip validity check for expression builder (e.g. <%$ ... %>)
if (IsExpressionBuilderValue(value))
{
return(false);
}
// Check validity
HttpCapabilitiesDefaultProvider.GetUserAgentFromClientTarget(CurrentVirtualPath, value);
// Return false to let the generic attribute processing continue
return(false);
case "masterpagefile":
// Skip validity check for expression builder (e.g. <%$ ... %>)
if (IsExpressionBuilderValue(value))
{
return(false);
}
if (value.Length > 0)
{
// Add dependency on the Type by calling this method
Type type = GetReferencedType(value);
// Make sure it has the correct base type
if (!typeof(MasterPage).IsAssignableFrom(type))
{
ProcessError(SR.GetString(SR.Invalid_master_base, value));
}
if (deviceName.Length > 0)
{
// Make sure the masterPageFile definition from config
// is applied before filtered masterPageFile attributes.
EnsureMasterPageFileFromConfigApplied();
}
}
//VSWhidbey 479064 Remember the masterPageFile had been set even if it's empty string
_mainDirectiveMasterPageSet = true;
// Return false to let the generic attribute processing continue
return(false);
default:
// We didn't handle the attribute. Try the base class
return(base.ProcessMainDirectiveAttribute(deviceName, name, value, parseData));
}
// The attribute was handled
// Make sure no device filter or resource expression was specified
ValidateBuiltInAttribute(deviceName, name, value);
return(true);
}