Jocelyn Fiat
0c3b85bb37
(This is important, otherwise it uses the current working directory, but for fcgi, this is not always obvious where it is.) Allow advanced upload, and also basic html upload, in case the dropzone.js has trouble. Split get and post handling for files module upload request.
538 lines
17 KiB
Plaintext
538 lines
17 KiB
Plaintext
note
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description: "files module."
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date: "$Date$"
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revision: "$Revision$"
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class
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CMS_FILES_MODULE
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inherit
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CMS_MODULE
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rename
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module_api as files_api
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redefine
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install,
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initialize,
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setup_hooks,
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permissions,
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files_api
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end
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CMS_HOOK_MENU_SYSTEM_ALTER
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SHARED_EXECUTION_ENVIRONMENT
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create
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make
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feature {NONE} -- Initialization
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make
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do
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name := "files"
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version := "1.0"
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description := "Service to upload files, and manage them."
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package := "file"
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end
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feature -- Access
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name: STRING
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permissions: LIST [READABLE_STRING_8]
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-- List of permission ids, used by this module, and declared.
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do
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Result := Precursor
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Result.force (admin_files_permission)
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Result.force (upload_files_permission)
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Result.force (browse_files_permission)
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end
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admin_files_permission: STRING = "admin files"
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upload_files_permission: STRING = "upload files"
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browse_files_permission: STRING = "browse files"
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feature {CMS_API} -- Module Initialization
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initialize (api: CMS_API)
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-- <Precursor>
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do
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Precursor (api)
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if files_api = Void then
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create files_api.make (api)
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end
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end
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feature {CMS_API}-- Module management
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install (api: CMS_API)
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-- install the module
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local
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l_files_api: like files_api
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d: DIRECTORY
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do
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create l_files_api.make (api)
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create d.make_with_path (l_files_api.uploads_directory)
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if not d.exists then
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d.recursive_create_dir
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end
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create d.make_with_path (l_files_api.metadata_directory)
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if not d.exists then
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d.recursive_create_dir
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end
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files_api := l_files_api
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Precursor (api)
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end
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feature {CMS_API} -- Access: API
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files_api: detachable CMS_FILES_API
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-- <Precursor>
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feature -- Access: router
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setup_router (a_router: WSF_ROUTER; a_api: CMS_API)
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-- <Precursor>
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do
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map_uri_template_agent (a_router, "/" + uploads_location, agent execute_upload (?, ?, a_api), Void) -- Accepts any method GET, HEAD, POST, PUT, DELETE, ...
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map_uri_template_agent (a_router, "/" + uploads_location + "{filename}", agent display_uploaded_file_info (?, ?, a_api), a_router.methods_get)
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map_uri_template_agent (a_router, "/" + uploads_location + "remove/{filename}", agent remove_file (?, ?, a_api), a_router.methods_get)
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end
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uploads_location: STRING = "upload/"
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feature -- Hooks
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setup_hooks (a_hooks: CMS_HOOK_CORE_MANAGER)
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do
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a_hooks.subscribe_to_menu_system_alter_hook (Current)
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end
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menu_system_alter (a_menu_system: CMS_MENU_SYSTEM; a_response: CMS_RESPONSE)
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local
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link: CMS_LOCAL_LINK
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do
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-- login in demo did somehow not work
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if a_response.has_permission (upload_files_permission) then
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create link.make ("Upload files", uploads_location)
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a_menu_system.navigation_menu.extend (link)
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end
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end
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feature -- Handler
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execute_not_found_handler (uri: READABLE_STRING_8; req: WSF_REQUEST; res: WSF_RESPONSE)
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-- `uri' is not found, redirect to default page
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do
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res.redirect_now_with_content (req.script_url ("/"), uri + ": not found. %N Redirection to" + req.script_url ("/"), "text/html")
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end
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display_uploaded_file_info (req: WSF_REQUEST; res: WSF_RESPONSE; api: CMS_API)
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-- Display information related to a cms uploaded file.
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local
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body: STRING_8
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r: CMS_RESPONSE
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f: CMS_FILE
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md: detachable CMS_FILE_METADATA
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fn: READABLE_STRING_32
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do
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check req.is_get_request_method end
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if not api.has_permission (browse_files_permission) then
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create {FORBIDDEN_ERROR_CMS_RESPONSE} r.make (req, res, api)
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r.add_error_message ("You are not allowed to browse CMS files!")
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elseif attached {WSF_STRING} req.path_parameter ("filename") as p_filename then
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create {GENERIC_VIEW_CMS_RESPONSE} r.make (req, res, api)
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-- add style
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r.add_style (r.url ("/module/" + name + "/files/css/files.css", Void), Void)
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create body.make_empty
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fn := p_filename.value
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r.set_page_title ({STRING_32} "File %"" + fn + {STRING_32} "%"")
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body.append ("<div class=%"uploaded-files%">%N") -- To ease css customization.
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if attached files_api as l_files_api then
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f := l_files_api.new_uploads_file (create {PATH}.make_from_string (fn))
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body.append ("<div class=%"metadata%">")
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md := l_files_api.metadata (f)
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--| Uploader user
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body.append ("<strong>User: </strong>")
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if md /= Void and then attached md.user as meta_user then
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body.append (api.html_encoded (meta_user.name))
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else
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body.append ("unknown user")
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end
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body.append ("<br/>%N")
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--| Uploaded date
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body.append ("<strong>Upload Time: </strong>")
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if md /= Void and then attached md.date as meta_time then
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body.append (meta_time.out)
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else
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body.append ("NA")
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end
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body.append ("<br/>%N")
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--| File size
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body.append ("<strong> File Size: </strong>")
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if md /= Void and then md.size > 0 then
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body.append (file_size_human_string (md.size))
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else
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body.append ("NA")
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end
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body.append ("<br/>%N")
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--| File type
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body.append ("<strong>File Type: </strong>")
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if md /= Void and then attached md.file_type as meta_type then
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body.append (meta_type)
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else
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body.append ("NA")
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end
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body.append ("<br/><br/>%N")
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body.append ("<a class=%"button%" href=%"" + req.script_url ("/" + l_files_api.file_link (f).location) + "%">Download</a>%N")
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body.append ("<a class=%"button%" href=%"" + req.script_url ("/" + uploads_location + "remove/" + f.filename) + "%">Remove</a>%N")
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body.append ("</div>%N") -- metadata
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body.append ("<div class=%"overview%">")
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if
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attached f.relative_path.extension as ext and then
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(
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ext.is_case_insensitive_equal_general ("png")
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or ext.is_case_insensitive_equal_general ("jpg")
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or ext.is_case_insensitive_equal_general ("gif")
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)
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then
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body.append ("<img src=%"" + req.script_url ("/" + l_files_api.file_link (f).location) + "%" />")
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else
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-- add default thumbnail
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body.append ("<img src=%"" + req.script_url ("/module/" + name + "/files/img/file-logo.png") + "%" />")
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end
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body.append ("</div>%N") -- Overview
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end
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body.append ("</div>%N")
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r.add_to_primary_tabs (create {CMS_LOCAL_LINK}.make ("Uploaded files", uploads_location))
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r.set_main_content (body)
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else
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create {BAD_REQUEST_ERROR_CMS_RESPONSE} r.make (req, res, api)
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r.set_main_content ("Missing 'filename' field value!")
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end
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r.execute
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end
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execute_upload (req: WSF_REQUEST; res: WSF_RESPONSE; api: CMS_API)
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local
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body: STRING_8
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r: CMS_RESPONSE
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i: INTEGER
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do
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if req.is_get_head_request_method then
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create {GENERIC_VIEW_CMS_RESPONSE} r.make (req, res, api)
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create body.make_empty
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body.append ("<h1> Upload files </h1>%N")
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-- set style
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r.add_style (r.url ("/module/" + name + "/files/css/files.css", Void), Void)
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if api.has_permission (upload_files_permission) then
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body.append ("<p>Please choose file(s) to upload.</p>")
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-- create form to choose files and upload them
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body.append ("<div class=%"upload-files%">")
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if attached {WSF_STRING} req.item ("basic_upload") as p and then p.is_case_insensitive_equal ("yes") then
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-- No dropzone
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body.append ("<form action=%"" + r.url (uploads_location, Void) + "%" method=%"post%" enctype=%"multipart/form-data%">")
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body.append ("<input type=%"hidden%" name=%"basic_upload%" value=%"yes%"/>%N")
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from
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i := 1
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until
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i > 5
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loop
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body.append ("<input type=%"file%" name=%"filenames[]%" id=%"filenames[]%" size=%"60%"/><br/>%N")
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i := i + 1
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end
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body.append ("<br/><input type=%"submit%" value=%"Upload File(s)%"/>")
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body.append ("</form>%N")
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body.append ("<a href=%""+ r.url (uploads_location, Void) +"?basic_upload=no%">Use advanced file uploading.</a>%N")
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else
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-- add JS for dropzone
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r.add_javascript_url (r.url ("/module/" + name + "/files/js/dropzone.js", Void))
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r.add_style (r.url ("/module/" + name + "/files/js/dropzone.css", Void), Void)
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-- create form to choose files and upload them
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body.append ("<form action=%"" + r.url (uploads_location, Void) + "%" class=%"dropzone%">")
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body.append ("</form>%N")
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body.append ("<a href=%""+ r.url (uploads_location, Void) +"?basic_upload=yes%">Use basic file uploading.</a>%N")
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end
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body.append ("</div>")
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end
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if req.is_get_head_request_method then
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-- Build the response.
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if r.has_permission (browse_files_permission) then
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body.append ("<br/><div class=%"center%"><a class=%"button%" href=%""+ r.url (uploads_location, Void) +"%">Refresh uploaded</a></div>")
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append_uploaded_file_album_to (req, api, body)
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else
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r.add_warning_message ("You are not allowed to browse files!")
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end
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end
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r.set_main_content (body)
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elseif req.is_post_request_method then
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if api.has_permission (upload_files_permission) then
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create {GENERIC_VIEW_CMS_RESPONSE} r.make (req, res, api)
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create body.make_empty
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body.append ("<h1> Upload files </h1>%N")
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process_uploaded_files (req, api, body)
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if attached {WSF_STRING} req.item ("basic_upload") as p and then p.is_case_insensitive_equal ("yes") then
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r.set_redirection (r.url (uploads_location, Void) + "?basic_upload=yes")
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else
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r.set_redirection (r.url (uploads_location, Void))
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end
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r.set_main_content (body)
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else
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create {FORBIDDEN_ERROR_CMS_RESPONSE} r.make (req, res, api)
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r.set_main_content ("You are not allowed to upload file!")
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end
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else
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create {BAD_REQUEST_ERROR_CMS_RESPONSE} r.make (req, res, api)
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end
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r.execute
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end
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process_uploaded_files (req: WSF_REQUEST; api: CMS_API; a_output: STRING)
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-- Process http request uploaded files.
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require
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has_permission: api.has_permission (upload_files_permission)
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local
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l_uploaded_file: CMS_UPLOADED_FILE
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uf: WSF_UPLOADED_FILE
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do
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if attached files_api as l_files_api then
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-- if has uploaded files, then store them
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if req.has_uploaded_file then
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a_output.append ("<strong>Newly uploaded file(s): </strong>%N")
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a_output.append ("<ul class=%"uploaded-files%">")
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across
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req.uploaded_files as ic
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loop
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uf := ic.item
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create l_uploaded_file.make_with_uploaded_file (l_files_api.uploads_directory, uf)
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a_output.append ("<li>")
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a_output.append (api.html_encoded (l_uploaded_file.filename))
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-- create medadata file
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l_uploaded_file.set_size (uf.size)
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l_uploaded_file.set_type (uf.content_type)
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-- store the just uploaded file
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l_files_api.save_uploaded_file (l_uploaded_file)
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if l_files_api.has_error then
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a_output.append (" <span class=%"error%">: upload failed!</span>")
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end
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a_output.append ("</li>")
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end
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a_output.append ("</ul>%N")
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end
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end
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end
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append_uploaded_file_album_to (req: WSF_REQUEST; api: CMS_API; a_output: STRING)
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local
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d: DIRECTORY
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f: CMS_FILE
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p: PATH
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rel: PATH
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md: detachable CMS_FILE_METADATA
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do
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if attached files_api as l_files_api then
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rel := l_files_api.uploads_relative_path
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p := l_files_api.uploads_directory
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a_output.append ("<div class=%"uploaded-files%">%N")
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a_output.append ("<strong>Uploaded files:</strong>%N")
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a_output.append ("<table>%N")
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a_output.append ("<tr><th>Filename</th><th>Uploading Time</th><th>User</th><th>Size</th><th></th><th></th></tr>%N")
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create d.make_with_path (p)
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if d.exists then
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across
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d.entries as ic
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loop
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if ic.item.is_current_symbol then
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-- Ignore
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elseif ic.item.is_parent_symbol then
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-- Ignore for now.
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else
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f := l_files_api.new_file (rel.extended_path (ic.item))
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-- check if f is directory -> yes, then do not show
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if not f.is_directory then
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a_output.append ("<tr>")
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-- add filename
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a_output.append ("<td class=%"filename%">")
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a_output.append ("<a href=%"" + api.percent_encoded (f.filename) + "%">")
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a_output.append (api.html_encoded (f.filename))
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a_output.append ("</a>")
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a_output.append ("</td>%N")
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md := l_files_api.metadata (f)
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if md = Void then
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a_output.append ("<td class=%"date%"></td>%N")
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a_output.append ("<td class=%"user%"></td>%N")
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a_output.append ("<td class=%"size%"></td>%N")
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else
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-- add uploading time
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a_output.append ("<td class=%"date%">")
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if attached md.date as meta_time then
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a_output.append (meta_time.out)
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end
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a_output.append ("</td>%N")
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-- add user
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a_output.append ("<td class=%"user%">")
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if attached md.user as u then
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a_output.append (api.html_encoded (u.name))
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end
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a_output.append ("</td>%N")
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-- add size
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a_output.append ("<td class=%"size%">")
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if md.size > 0 then
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a_output.append (file_size_human_string (md.size))
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else
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a_output.append ("NA")
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end
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a_output.append ("</td>%N")
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end
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-- add download link
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a_output.append ("<td>")
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a_output.append ("<a class=%"button%" href=%"" + req.script_url ("/" + l_files_api.file_link (f).location) + "%" download>Download</a>%N")
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a_output.append ("</td>%N")
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-- add remove button
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a_output.append ("<td>")
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a_output.append ("<a class=%"button%" href=%"" + req.script_url ("/" + uploads_location + "remove/" + f.filename) + "%">Remove</a>%N")
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a_output.append ("</td>%N")
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a_output.append ("</tr>%N")
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else
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if f.relative_path.is_current_symbol or f.relative_path.is_parent_symbol then
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-- Ignore "." and ".."
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else
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-- folder support not yet supported
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-- -- add directory identifier
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-- a_output.append ("<td>[dir]</td>%N")
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-- a_output.append ("<td>")
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-- a_output.append ("<a href=%"" + api.percent_encoded (f.filename) + "%">")
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-- a_output.append (api.html_encoded (f.filename))
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-- a_output.append ("</a>")
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-- a_output.append ("</td>%N")
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-- a_output.append ("<td></td><td></td><td></td><td></td><td></td>")
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end
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end
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end
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end
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end
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a_output.append ("</table>%N")
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a_output.append ("</div>%N")
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end
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end
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remove_file (req: WSF_REQUEST; res: WSF_RESPONSE; api: CMS_API)
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local
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body: STRING
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r: CMS_RESPONSE
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err: BOOLEAN
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do
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if attached files_api as l_files_api then
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if not api.has_permission (admin_files_permission) then
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create {FORBIDDEN_ERROR_CMS_RESPONSE} r.make (req, res, api)
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r.add_error_message ("You are not allowed to remove file!")
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elseif attached {WSF_STRING} req.path_parameter ("filename") as p_filename then
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create {GENERIC_VIEW_CMS_RESPONSE} r.make (req, res, api)
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l_files_api.delete_file (p_filename.value)
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err := l_files_api.has_error
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l_files_api.reset_error
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create body.make_empty
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if err then
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body.append ("<h3>The file has been removed successfully!</h3>")
|
|
else
|
|
body.append ("<h3>The file removal failed!</h3>")
|
|
end
|
|
|
|
r.add_to_primary_tabs (create {CMS_LOCAL_LINK}.make ("Uploaded files", uploads_location))
|
|
r.set_main_content (body)
|
|
else
|
|
create {BAD_REQUEST_ERROR_CMS_RESPONSE} r.make (req, res, api)
|
|
r.add_error_message ("Missing 'filename' parameter!")
|
|
end
|
|
else
|
|
create {INTERNAL_SERVER_ERROR_CMS_RESPONSE} r.make (req, res, api)
|
|
r.set_main_content ("Removal of file failed due to internal server error!")
|
|
end
|
|
r.execute
|
|
end
|
|
|
|
feature -- Helpers
|
|
|
|
file_size_human_string (a_size: INTEGER): STRING
|
|
local
|
|
size: INTEGER
|
|
do
|
|
size := a_size
|
|
if size >= 1000000 then
|
|
size := size // 1000000
|
|
Result := size.out + " MB"
|
|
else
|
|
if size >= 1000 then
|
|
size := size // 1000
|
|
Result := size.out + " kB"
|
|
else
|
|
Result := size.out + " bytes"
|
|
end
|
|
end
|
|
end
|
|
|
|
feature -- Mapping helper: uri template agent (analogue to the demo-module)
|
|
|
|
map_uri_template (a_router: WSF_ROUTER; a_tpl: STRING; h: WSF_URI_TEMPLATE_HANDLER; rqst_methods: detachable WSF_REQUEST_METHODS)
|
|
-- Map `h' as handler for `a_tpl', according to `rqst_methods'.
|
|
require
|
|
a_tpl_attached: a_tpl /= Void
|
|
h_attached: h /= Void
|
|
do
|
|
a_router.map (create {WSF_URI_TEMPLATE_MAPPING}.make (a_tpl, h), rqst_methods)
|
|
end
|
|
|
|
map_uri_template_agent (a_router: WSF_ROUTER; a_tpl: READABLE_STRING_8; proc: PROCEDURE [TUPLE [req: WSF_REQUEST; res: WSF_RESPONSE]]; rqst_methods: detachable WSF_REQUEST_METHODS)
|
|
-- Map `proc' as handler for `a_tpl', according to `rqst_methods'.
|
|
require
|
|
a_tpl_attached: a_tpl /= Void
|
|
proc_attached: proc /= Void
|
|
do
|
|
map_uri_template (a_router, a_tpl, create {WSF_URI_TEMPLATE_AGENT_HANDLER}.make (proc), rqst_methods)
|
|
end
|
|
|
|
end
|