XWiki - CKEditor - FileUploader

author	version	line-number	content
		1	{{velocity output="false"}}
		2	#macro (createAttachment $fileName)
		3	#set ($document = $doc)
		4	#if ("$!request.document" != '')
		5	#set ($document = $xwiki.getDocument($request.document))
		6	#end
		7	#if ($document && $document.hasAccessLevel('edit'))
		8	## If the attachment is uploaded to a new document then make sure we create the document with the right default
		9	## locale. See CKEDITOR-316: Document translations are created when uploading a file from the WYSIWYG editor in a
		10	## multi-language wiki. The following code replicates the behavior of the Upload action, but it has the desired
		11	## effect only on XWiki 11.9+
		12	#if ($document.isNew())
		13	#set ($rootLocale = $services.localization.toLocale(''))
		14	#set ($discard = $document.setLocale($rootLocale))
		15	#if ($rootLocale.equals($document.getDefaultLocale()))
		16	#set ($discard = $document.setDefaultLocale($xwiki.getLocalePreference()))
		17	#end
		18	## We also need to make sure the new document is created with the right syntax (e.g. the one coming from the
		19	## template used to create the document rather than the default wiki syntax).
		20	#if ("$!request.syntax" != '')
		21	#set ($discard = $document.setSyntaxId($request.syntax))
		22	#end
		23	#end
		24	## FIXME: Get the file content as an input stream instead of a byte array, but for this we need to expose
		25	## getFileItemInputStream in the public API of the fileupload plugin (or use a script service).
		26	#set ($bytes = $xwiki.fileupload.getFileItemData('upload'))
		27	#if (!$bytes)
		28	## Empty file (unfortunately getFileItemData returns null instead of an empty byte array).
		29	#set ($bytes = [])
		30	#end
		31	#set ($discard = $document.addAttachment($fileName, $bytes))
		32	#set ($discard = $document.save($services.localization.render('core.comment.uploadAttachmentComment', [$fileName])))
		33	#sendSuccess($document $fileName)
		34	#else
		35	## Forbidden
		36	#sendError(403 'You are not allowed to perform this action.')
		37	#end
		38	#end
		39
		40	## Old way of uploading, with a save of the document for each upload.
		41	#macro (handleUploadRequest)
		42	#set ($fileName = $xwiki.fileupload.getFileName('upload'))
		43	#if ("$!fileName" != '')
		44	#if ($services.csrf.isTokenValid($request.form_token))
		45	#if ($fileName.startsWith('__fileCreatedFromDataURI__.'))
		46	## We need to generate a new name so that we don't overwrite existing attachments.
		47	#set ($extension = $stringtool.substringAfter($fileName, '.'))
		48	#set ($fileName = "${datetool.date.time}-${mathtool.random(100, 1000)}.$extension")
		49	#end
		50	#createAttachment($fileName)
		51	#else
		52	#sendError(403 "$services.localization.render('ckeditor.upload.error.csrf')")
		53	#end
		54	#else
		55	## Bad Request
		56	#sendError(400 "$services.localization.render('ckeditor.upload.error.emptyReturn')")
		57	#end
		58	#end
		59
		60	## New way of handling attachment without saving immediately the document.
		61	#macro (handleTemporaryUploadRequest)
		62	#if ($services.csrf.isTokenValid($request.form_token))
		63	#set ($document = $doc)
		64	#if ("$!request.document" != '')
		65	#set ($document = $xwiki.getDocument($request.document))
		66	#end
		67	#set ($reference = $document.documentReference)
		68	#set ($attachment = $services.temporaryAttachments.uploadTemporaryAttachment($reference, 'upload'))
		69	#if ($attachment)
		70	#sendSuccess($document, $attachment.filename)
		71	#else
		72	#sendError(400 "$services.localization.render('ckeditor.upload.error.emptyreturn')")
		73	#end
		74	#else
		75	#sendError(403 "$services.localization.render('ckeditor.upload.error.csrf')")
		76	#end
		77	#end
		78
		79	#macro (sendSuccess $document $fileName)
		80	#set ($url = $document.getAttachmentURL($fileName))
		81	#set ($attachmentReference = $services.model.createAttachmentReference($document.documentReference, $fileName))
		82	#set ($resourceReference = {
		83	'type': 'attach',
		84	'reference': $services.model.serialize($attachmentReference, $document.documentReference)
		85	})
		86	#set ($discard = $response.setContentType('application/json'))
		87	#if ($request.initiator == 'filetools')
		88	$jsontool.serialize({
		89	'uploaded': 1,
		90	'fileName': $fileName,
		91	'url': $url,
		92	'resourceReference': $resourceReference
		93	})
		94	#else
		95	## JSON expected by the filebrowser plugin.
		96	$jsontool.serialize({
		97	'uploaded': 1,
		98	'url': $url,
		99	'fileName': $fileName,
		100	'message': {
		101	'resourceReference': $resourceReference
		102	}
		103	})
		104	#end
		105	#end
		106
		107	#macro (sendError $code $message)
		108	#set ($discard = $response.setContentType('application/json'))
		109	## The filetools plugin doesn't display the proper message if we call sendError() or setStatus() on the response.
		110	#if ($request.initiator != 'filetools')
		111	#set ($discard = $response.setStatus($code))
		112	#end
		113	$jsontool.serialize({
		114	'uploaded': 0,
		115	'error': {
		116	'number': $code,
		117	'message': $message
		118	}
		119	})
		120	#end
		121	{{/velocity}}
		122
		123	{{velocity wiki="false"}}
		124	#if ($xcontext.action == 'get')
		125	#if ($request.getHeader('X-XWiki-Temporary-Attachment-Support') == 'true')
		126	#handleTemporaryUploadRequest
		127	#else
		128	#handleUploadRequest
		129	#end
		130	#end
		131	{{/velocity}}