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juce_URL.h
1/*
2 ==============================================================================
3
4 This file is part of the JUCE library.
5 Copyright (c) 2022 - Raw Material Software Limited
6
7 JUCE is an open source library subject to commercial or open-source
8 licensing.
9
10 The code included in this file is provided under the terms of the ISC license
11 http://www.isc.org/downloads/software-support-policy/isc-license. Permission
12 To use, copy, modify, and/or distribute this software for any purpose with or
13 without fee is hereby granted provided that the above copyright notice and
14 this permission notice appear in all copies.
15
16 JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
17 EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
18 DISCLAIMED.
19
20 ==============================================================================
21*/
22
23 namespace juce
24{
25
26 class WebInputStream;
27
28//==============================================================================
37 class JUCE_API URL
38{
39 public:
40 //==============================================================================
42 URL();
43
50 URL (const String& url);
51
53 explicit URL (File localFile);
54
60 bool operator== (const URL&) const;
61 bool operator!= (const URL&) const;
62
63 //==============================================================================
72 String toString (bool includeGetParameters) const;
73
75 bool isEmpty() const noexcept;
76
78 bool isWellFormed() const;
79
84 String getDomain() const;
85
96 String getSubPath (bool includeGetParameters = false) const;
97
101 String getQueryString() const;
102
106 String getAnchorString() const;
107
113 String getScheme() const;
114
116 bool isLocalFile() const;
117
127 File getLocalFile() const;
128
137 String getFileName() const;
138
143 int getPort() const;
144
152 [[nodiscard]] URL withNewDomainAndPath (const String& newFullPath) const;
153
161 [[nodiscard]] URL withNewSubPath (const String& newPath) const;
162
167 URL getParentURL() const;
168
181 URL getChildURL (const String& subPath) const;
182
183 //==============================================================================
194 [[nodiscard]] URL withParameter (const String& parameterName,
195 const String& parameterValue) const;
196
203 [[nodiscard]] URL withParameters (const StringPairArray& parametersToAdd) const;
204
207 [[nodiscard]] URL withAnchor (const String& anchor) const;
208
220 [[nodiscard]] URL withFileToUpload (const String& parameterName,
221 const File& fileToUpload,
222 const String& mimeType) const;
223
234 [[nodiscard]] URL withDataToUpload (const String& parameterName,
235 const String& filename,
236 const MemoryBlock& fileContentToUpload,
237 const String& mimeType) const;
238
249 const StringArray& getParameterNames() const noexcept { return parameterNames; }
250
263 const StringArray& getParameterValues() const noexcept { return parameterValues; }
264
273 [[nodiscard]] URL withPOSTData (const String& postData) const;
274
283 [[nodiscard]] URL withPOSTData (const MemoryBlock& postData) const;
284
286 String getPostData() const { return postData.toString(); }
287
289 const MemoryBlock& getPostDataAsMemoryBlock() const noexcept { return postData; }
290
291 //==============================================================================
296 bool launchInDefaultBrowser() const;
297
298 //==============================================================================
302 static bool isProbablyAWebsiteURL (const String& possibleURL);
303
307 static bool isProbablyAnEmailAddress (const String& possibleEmailAddress);
308
309 //==============================================================================
310 enum class ParameterHandling
311 {
312 inAddress,
313 inPostData
314 };
315
330 class JUCE_API InputStreamOptions
331 {
332 public:
339 explicit InputStreamOptions (ParameterHandling parameterHandling);
340
341 //==============================================================================
346 [[nodiscard]] InputStreamOptions withProgressCallback (std::function<bool (int bytesSent, int totalBytes)> progressCallback) const;
347
352 [[nodiscard]] InputStreamOptions withExtraHeaders (const String& extraHeaders) const;
353
359 [[nodiscard]] InputStreamOptions withConnectionTimeoutMs (int connectionTimeoutMs) const;
360
364 [[nodiscard]] InputStreamOptions withResponseHeaders (StringPairArray* responseHeaders) const;
365
369 [[nodiscard]] InputStreamOptions withStatusCode (int* statusCode) const;
370
375 [[nodiscard]] InputStreamOptions withNumRedirectsToFollow (int numRedirectsToFollow) const;
376
384 [[nodiscard]] InputStreamOptions withHttpRequestCmd (const String& httpRequestCmd) const;
385
386 //==============================================================================
387 ParameterHandling getParameterHandling() const noexcept { return parameterHandling; }
388 std::function<bool (int, int)> getProgressCallback() const noexcept { return progressCallback; }
389 String getExtraHeaders() const noexcept { return extraHeaders; }
390 int getConnectionTimeoutMs() const noexcept { return connectionTimeOutMs; }
391 StringPairArray* getResponseHeaders() const noexcept { return responseHeaders; }
392 int* getStatusCode() const noexcept { return statusCode; }
393 int getNumRedirectsToFollow() const noexcept { return numRedirectsToFollow; }
394 String getHttpRequestCmd() const noexcept { return httpRequestCmd; }
395
396 private:
397 //==============================================================================
398 const ParameterHandling parameterHandling;
399
400 std::function<bool (int, int)> progressCallback = nullptr;
401 String extraHeaders;
402 int connectionTimeOutMs = 0;
403 StringPairArray* responseHeaders = nullptr;
404 int* statusCode = nullptr;
405 int numRedirectsToFollow = 5;
406 String httpRequestCmd;
407 };
408
427 std::unique_ptr<InputStream> createInputStream (const InputStreamOptions& options) const;
428
434 std::unique_ptr<OutputStream> createOutputStream() const;
435
436 //==============================================================================
437 class DownloadTask;
438
440 struct JUCE_API DownloadTaskListener
441 {
442 virtual ~DownloadTaskListener() = default;
443
447 virtual void finished (DownloadTask* task, bool success) = 0;
448
453 virtual void progress (DownloadTask* task, int64 bytesDownloaded, int64 totalLength);
454 };
455
459 class DownloadTaskOptions
460 {
461 public:
462 String extraHeaders;
463 String sharedContainer;
464 DownloadTaskListener* listener = nullptr;
465 bool usePost = false;
466
468 [[nodiscard]] auto withExtraHeaders (String value) const { return with (&DownloadTaskOptions::extraHeaders, std::move (value)); }
469
477 [[nodiscard]] auto withSharedContainer (String value) const { return with (&DownloadTaskOptions::sharedContainer, std::move (value)); }
478
480 [[nodiscard]] auto withListener (DownloadTaskListener* value) const { return with (&DownloadTaskOptions::listener, std::move (value)); }
481
483 [[nodiscard]] auto withUsePost (bool value) const { return with (&DownloadTaskOptions::usePost, value); }
484
485 private:
486 template <typename Member, typename Value>
487 [[nodiscard]] DownloadTaskOptions with (Member&& member, Value&& value) const
488 {
489 auto copy = *this;
490 copy.*member = std::forward<Value> (value);
491 return copy;
492 }
493 };
494
499 class JUCE_API DownloadTask
500 {
501 public:
502 using Listener = DownloadTaskListener;
503
507 virtual ~DownloadTask();
508
513 int64 getTotalLength() const { return contentLength; }
514
516 int64 getLengthDownloaded() const { return downloaded; }
517
519 bool isFinished() const { return finished; }
520
527 int statusCode() const { return httpCode; }
528
530 inline bool hadError() const { return error; }
531
533 File getTargetLocation() const { return targetLocation; }
534
535 protected:
536 int64 contentLength = -1, downloaded = 0;
537 bool finished = false, error = false;
538 int httpCode = -1;
539 File targetLocation;
540
541 DownloadTask();
542
543 private:
544 friend class URL;
545 static std::unique_ptr<DownloadTask> createFallbackDownloader (const URL&, const File&, const DownloadTaskOptions&);
546
547 public:
548 #if JUCE_IOS
550 static void juce_iosURLSessionNotify (const String&);
551 #endif
552
553 private:
554 JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (DownloadTask)
555 };
556
558 [[deprecated ("Use the overload with a DownloadTaskOptions argument instead")]]
559 std::unique_ptr<DownloadTask> downloadToFile (const File& targetLocation,
560 String extraHeaders = String(),
561 DownloadTaskListener* listener = nullptr,
562 bool usePostCommand = false);
563
573 std::unique_ptr<DownloadTask> downloadToFile (const File& targetLocation,
574 const DownloadTaskOptions& options);
575
576 //==============================================================================
591 bool readEntireBinaryStream (MemoryBlock& destData,
592 bool usePostCommand = false) const;
593
609 String readEntireTextStream (bool usePostCommand = false) const;
610
624 std::unique_ptr<XmlElement> readEntireXmlStream (bool usePostCommand = false) const;
625
626 //==============================================================================
645 static String addEscapeChars (const String& stringToAddEscapeCharsTo,
646 bool isParameter,
647 bool roundBracketsAreLegal = true);
648
658 static String removeEscapeChars (const String& stringToRemoveEscapeCharsFrom);
659
665 static URL createWithoutParsing (const String& url);
666
667 //==============================================================================
668 #ifndef DOXYGEN
669 using OpenStreamProgressCallback = bool (void* context, int bytesSent, int totalBytes);
670
675 [[deprecated ("New code should use the method which takes an InputStreamOptions argument instead.")]]
676 std::unique_ptr<InputStream> createInputStream (bool doPostLikeRequest,
677 OpenStreamProgressCallback* progressCallback = nullptr,
678 void* progressCallbackContext = nullptr,
679 String extraHeaders = {},
680 int connectionTimeOutMs = 0,
681 StringPairArray* responseHeaders = nullptr,
682 int* statusCode = nullptr,
683 int numRedirectsToFollow = 5,
684 String httpRequestCmd = {}) const;
685 #endif
686
687 private:
688 //==============================================================================
689 #if JUCE_IOS
690 struct Bookmark : public ReferenceCountedObject
691 {
692 using Ptr = ReferenceCountedObjectPtr<Bookmark>;
693
694 Bookmark (void*);
695 ~Bookmark();
696
697 void* data;
698 };
699
700 Bookmark::Ptr bookmark;
701
702 friend void setURLBookmark (URL&, void*);
703 friend void* getURLBookmark (URL&);
704 #endif
705
706 //==============================================================================
707 struct Upload : public ReferenceCountedObject
708 {
709 Upload (const String&, const String&, const String&, const File&, MemoryBlock*);
710 String parameterName, filename, mimeType;
711 File file;
712 std::unique_ptr<MemoryBlock> data;
713
714 JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (Upload)
715 };
716
717 //==============================================================================
718 friend class WebInputStream;
719
720 URL (const String&, int);
721 void init();
722 void addParameter (const String&, const String&);
723 bool hasBodyDataToSend() const;
724 void createHeadersAndPostData (String&, MemoryBlock&, bool) const;
725 URL withUpload (Upload*) const;
726
727 static ParameterHandling toHandling (bool);
728 static File fileFromFileSchemeURL (const URL&);
729 String getDomainInternal (bool) const;
730
731 //==============================================================================
732 String url;
733 MemoryBlock postData;
734 StringArray parameterNames, parameterValues;
735 String anchor;
736
737 ReferenceCountedArray<Upload> filesToUpload;
738
739 //==============================================================================
740 JUCE_LEAK_DETECTOR (URL)
741};
742
743} // namespace juce
juce::File
Definition juce_File.h:45
juce::MemoryBlock
Definition juce_MemoryBlock.h:33
juce::StringArray
Definition juce_StringArray.h:35
juce::StringPairArray
Definition juce_StringPairArray.h:35
juce::String
Definition juce_String.h:53
juce::URL::DownloadTaskOptions
Definition juce_URL.h:460
juce::URL::DownloadTaskOptions::withSharedContainer
auto withSharedContainer(String value) const
Definition juce_URL.h:477
juce::URL::DownloadTaskOptions::withExtraHeaders
auto withExtraHeaders(String value) const
Definition juce_URL.h:468
juce::URL::DownloadTaskOptions::withListener
auto withListener(DownloadTaskListener *value) const
Definition juce_URL.h:480
juce::URL::DownloadTaskOptions::withUsePost
auto withUsePost(bool value) const
Definition juce_URL.h:483
juce::URL::DownloadTask
Definition juce_URL.h:500
juce::URL::DownloadTask::hadError
bool hadError() const
Definition juce_URL.h:530
juce::URL::DownloadTask::getLengthDownloaded
int64 getLengthDownloaded() const
Definition juce_URL.h:516
juce::URL::DownloadTask::isFinished
bool isFinished() const
Definition juce_URL.h:519
juce::URL::DownloadTask::getTargetLocation
File getTargetLocation() const
Definition juce_URL.h:533
juce::URL::DownloadTask::statusCode
int statusCode() const
Definition juce_URL.h:527
juce::URL::DownloadTask::getTotalLength
int64 getTotalLength() const
Definition juce_URL.h:513
juce::URL::InputStreamOptions
Definition juce_URL.h:331
juce::URL
Definition juce_URL.h:38
juce::URL::getPostDataAsMemoryBlock
const MemoryBlock & getPostDataAsMemoryBlock() const noexcept
Definition juce_URL.h:289
juce::URL::getPostData
String getPostData() const
Definition juce_URL.h:286
juce::URL::getParameterValues
const StringArray & getParameterValues() const noexcept
Definition juce_URL.h:263
juce::URL::getParameterNames
const StringArray & getParameterNames() const noexcept
Definition juce_URL.h:249
juce::URL::downloadToFile
std::unique_ptr< DownloadTask > downloadToFile(const File &targetLocation, const DownloadTaskOptions &options)
juce::Value
Definition juce_Value.h:51
juce::URL::DownloadTaskListener
Definition juce_URL.h:441
juce::URL::DownloadTaskListener::finished
virtual void finished(DownloadTask *task, bool success)=0