83 lines
2.5 KiB
C++
83 lines
2.5 KiB
C++
#ifndef mozilla_dom_FetchUtil_h
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#define mozilla_dom_FetchUtil_h
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#include "nsString.h"
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#include "nsError.h"
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#include "nsFormData.h"
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#include "mozilla/ErrorResult.h"
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#include "mozilla/dom/File.h"
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namespace mozilla {
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namespace dom {
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class FetchUtil final
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{
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private:
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FetchUtil() = delete;
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public:
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/**
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* Sets outMethod to a valid HTTP request method string based on an input method.
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* Implements checks and normalization as specified by the Fetch specification.
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* Returns NS_ERROR_DOM_SECURITY_ERR if the method is invalid.
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* Otherwise returns NS_OK and the normalized method via outMethod.
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*/
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static nsresult
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GetValidRequestMethod(const nsACString& aMethod, nsCString& outMethod);
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/**
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* Creates an array buffer from an array, assigning the result to |aValue|.
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* The array buffer takes ownership of |aInput|, which must be allocated
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* by |malloc|.
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*/
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static void
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ConsumeArrayBuffer(JSContext* aCx, JS::MutableHandle<JSObject*> aValue,
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uint32_t aInputLength, uint8_t* aInput, ErrorResult& aRv);
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/**
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* Creates an in-memory blob from an array. The blob takes ownership of
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* |aInput|, which must be allocated by |malloc|.
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*/
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static already_AddRefed<Blob>
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ConsumeBlob(nsISupports* aParent, const nsString& aMimeType,
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uint32_t aInputLength, uint8_t* aInput, ErrorResult& aRv);
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/**
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* Creates a form data object from a UTF-8 encoded |aStr|. Returns |nullptr|
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* and sets |aRv| to MSG_BAD_FORMDATA if |aStr| contains invalid data.
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*/
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static already_AddRefed<nsFormData>
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ConsumeFormData(nsIGlobalObject* aParent, const nsCString& aMimeType,
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const nsCString& aStr, ErrorResult& aRv);
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/**
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* UTF-8 decodes |aInput| into |aText|. The caller may free |aInput|
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* once this method returns.
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*/
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static nsresult
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ConsumeText(uint32_t aInputLength, uint8_t* aInput, nsString& aText);
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/**
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* Parses a UTF-8 encoded |aStr| as JSON, assigning the result to |aValue|.
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* Sets |aRv| to a syntax error if |aStr| contains invalid data.
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*/
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static void
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ConsumeJson(JSContext* aCx, JS::MutableHandle<JS::Value> aValue,
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const nsString& aStr, ErrorResult& aRv);
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/**
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* Extracts an HTTP header from a substring range.
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*/
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static bool
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ExtractHeader(nsACString::const_iterator& aStart,
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nsACString::const_iterator& aEnd,
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nsCString& aHeaderName,
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nsCString& aHeaderValue,
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bool* aWasEmptyHeader);
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};
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} // namespace dom
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} // namespace mozilla
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#endif
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