Nino connector:
- fixed issue related to `ready_for_reading' now use the `try_...' variant - for now Nino does not support persistent connection, then we have to respond with "Connection: close" REQUEST_FILE_SYSTEM_HANDLER: - added not_found_handler and access_denied_handler, so that the user can customize related response WSF_REQUEST and WSF_VALUE: - modified how uploaded file are handled, fixed various issues, and added WSF_UPLOADED_FILE (it is a WSF_VALUE) WSF_VALUE: - added change_name (a_name: like name) - added url_encoded_name to other WSF_values WSF_REQUEST: - added `destroy' to perform end of request cleaning (such as deleting temp uploaded files) - renamed `raw_post_data_recorded' as `raw_input_data_recorded', and related feature - do not store the RAW_POST_DATA in meta variable anymore, but in WSF_REQUEST.raw_input_data is asked Added WSF_HTML_PAGE_RESPONSE to help user WSF_REPONSE.redirect_... now use "temp_redirect" as default instead of "moved_permanently" which is specific usage Removed many obsolete features.
This commit is contained in:
Jocelyn Fiat
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examples/upload_image/htdocs/ewf.jpg
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examples/upload_image/htdocs/ewf.jpg
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examples/upload_image/htdocs/favicon.ico
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examples/upload_image/htdocs/files/do_not_remove
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examples/upload_image/htdocs/files/do_not_remove
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examples/upload_image/htdocs/index.html
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examples/upload_image/htdocs/index.html
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<html>
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<head>
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<title>EWF: demo upload image file</title>
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<link rel="stylesheet" href="style.css" type="text/css" media="all" />
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</head>
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<body>
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<h1>EWF: demo upload image file</h1>
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<a href="upload">Click for the demo</a>
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</body>
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</html>
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examples/upload_image/htdocs/style.css
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examples/upload_image/htdocs/style.css
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h1 { border: solid 1px #00f; margin: 5px; padding: 5px; background-color: #009; color: #fff; margin: 10px;}
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form { border: solid 1px #999; margin: 20px; padding: 10px;}
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img { width: 60%; }
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img.hover { width: 100%; }
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examples/upload_image/src/image_uploader.e
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examples/upload_image/src/image_uploader.e
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note
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description : "Objects that ..."
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author : "$Author$"
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date : "$Date$"
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revision : "$Revision$"
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class
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IMAGE_UPLOADER
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inherit
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ANY
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URI_TEMPLATE_ROUTED_SERVICE
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ROUTED_SERVICE_HELPER
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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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-- Initialize Current
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local
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s: DEFAULT_SERVICE_LAUNCHER
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do
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initialize_router
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create s.make_and_launch (agent execute)
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-- Use the following line to use particular port number (as 9090) with Nino connector
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-- create s.make_and_launch_with_options (agent execute, <<["port", 9090]>>)
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end
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create_router
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-- Create router
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do
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create router.make (5)
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end
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setup_router
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-- Setup router
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local
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www: REQUEST_FILE_SYSTEM_HANDLER [REQUEST_URI_TEMPLATE_HANDLER_CONTEXT]
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do
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router.map_agent ("/upload{?nb}", agent execute_upload)
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create www.make (document_root)
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www.set_directory_index (<<"index.html">>)
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www.set_not_found_handler (agent execute_not_found)
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router.map_with_request_methods ("{/path}{?query}", www, <<"GET">>)
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end
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feature -- Configuration
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document_root: READABLE_STRING_8
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-- Document root to look for files or directories
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local
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e: EXECUTION_ENVIRONMENT
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dn: DIRECTORY_NAME
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once
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create e
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create dn.make_from_string (e.current_working_directory)
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dn.extend ("htdocs")
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Result := dn.string
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if Result [Result.count] = Operating_environment.directory_separator then
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Result := Result.substring (1, Result.count - 1)
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end
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end
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files_root: READABLE_STRING_8
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-- Uploaded files will be stored in `files_root' folder
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local
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dn: DIRECTORY_NAME
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once
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create dn.make_from_string (document_root)
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dn.extend ("files")
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Result := dn.string
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end
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feature -- Execution
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execute_default (req: WSF_REQUEST; res: WSF_RESPONSE)
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-- Default request handler if no other are relevant
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do
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res.redirect_now_with_content (req.script_url ("/"), "Redirection to " + req.script_url ("/"), "text/html")
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end
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execute_not_found (uri: READABLE_STRING_8; ctx: REQUEST_URI_TEMPLATE_HANDLER_CONTEXT; 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.%NRedirection to " + req.script_url ("/"), "text/html")
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end
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execute_upload (ctx: REQUEST_URI_TEMPLATE_HANDLER_CONTEXT; req: WSF_REQUEST; res: WSF_RESPONSE)
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-- Upload page is requested, either GET or POST
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-- On GET display the web form to upload file, by passing ?nb=5 you can upload 5 images
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-- On POST display the uploaded files
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local
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l_body: STRING_8
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l_safe_filename: STRING_8
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fn: FILE_NAME
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page: WSF_HTML_PAGE_RESPONSE
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n: INTEGER
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do
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if req.is_request_method ("GET") or else not req.has_uploaded_file then
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create page.make
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page.set_title ("EWF: Upload file")
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page.add_style (req.script_url ("style.css"), "all")
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create l_body.make_empty
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page.set_body (l_body)
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l_body.append ("<h1>EWF: Upload image file</h1>%N")
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l_body.append ("<form action=%""+ req.script_url ("/upload") +"%" method=%"POST%" enctype=%"multipart/form-data%">%N")
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if attached ctx.string_query_parameter ("nb") as p_nb and then p_nb.is_integer then
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n := p_nb.to_integer
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else
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n := 1
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end
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if attached ctx.string_query_parameter ("demo") as p_demo then
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create fn.make_from_string (document_root)
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fn.set_file_name (p_demo.string)
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l_body.append ("File: <input type=%"file%" name=%"uploaded_file[]%" size=%"60%" value=%""+ html_encode (fn.string) +"%"></br>%N")
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end
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from
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until
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n = 0
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loop
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l_body.append ("File: <input type=%"file%" name=%"uploaded_file[]%" size=%"60%" accept=%"image/*%"></br>%N")
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n := n - 1
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end
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l_body.append (" <input type=%"submit%" value=%"Upload%"/>%N</form>")
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page.send_to (res)
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else
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create l_body.make (255)
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l_body.append ("<h1>EWF: Uploaded files</h1>%N")
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l_body.append ("<ul>")
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across
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req.uploaded_files as c
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loop
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l_body.append ("<li>")
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l_body.append ("<div>" + c.item.name + "=" + html_encode (c.item.filename) + " size=" + c.item.size.out + " type=" + c.item.content_type + "</div>")
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create fn.make_from_string (files_root)
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l_safe_filename := c.item.safe_filename
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fn.set_file_name (l_safe_filename)
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if c.item.move_to (fn.string) then
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if c.item.content_type.starts_with ("image") then
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l_body.append ("%N<a href=%"../files/" + url_encode (l_safe_filename) + "%"><img src=%"../files/"+ l_safe_filename +"%" /></a>")
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else
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l_body.append ("File " + html_encode (c.item.filename) + " is not a supported image<br/>%N")
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end
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end
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l_body.append ("</li>")
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end
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l_body.append ("</ul>")
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create page.make
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page.set_title ("EWF: uploaded image")
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page.add_style ("../style.css", "all")
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page.set_body (l_body)
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page.send_to (res)
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end
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end
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feature {NONE} -- Encoder
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url_encode (s: READABLE_STRING_32): STRING_8
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-- URL Encode `s' as Result
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do
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Result := url_encoder.encoded_string (s)
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end
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url_encoder: URL_ENCODER
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once
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create Result
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end
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html_encode (s: READABLE_STRING_32): STRING_8
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-- HTML Encode `s' as Result
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do
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Result := html_encoder.encoded_string (s)
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end
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html_encoder: HTML_ENCODER
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once
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create Result
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end
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note
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copyright: "2011-2012, Eiffel Software and others"
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license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)"
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source: "[
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Eiffel Software
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5949 Hollister Ave., Goleta, CA 93117 USA
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Telephone 805-685-1006, Fax 805-685-6869
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Website http://www.eiffel.com
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Customer support http://support.eiffel.com
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]"
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end
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31
examples/upload_image/upload_image-safe.ecf
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examples/upload_image/upload_image-safe.ecf
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<?xml version="1.0" encoding="ISO-8859-1"?>
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<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-9-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-9-0 http://www.eiffel.com/developers/xml/configuration-1-9-0.xsd" name="upload_image" uuid="F2400BE8-D8EB-48EB-B4E4-5D4377062A7F">
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<target name="upload_image">
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<root class="IMAGE_UPLOADER" feature="make"/>
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<file_rule>
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<exclude>/EIFGENs$</exclude>
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<exclude>/\.git$</exclude>
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<exclude>/\.svn$</exclude>
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</file_rule>
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<option debug="true" warning="true" full_class_checking="true" is_attached_by_default="true" void_safety="all" syntax="provisional">
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<debug name="nino" enabled="true"/>
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<assertions precondition="true" postcondition="true" check="true" invariant="true" supplier_precondition="true"/>
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</option>
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<setting name="concurrency" value="thread"/>
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<library name="base" location="$ISE_LIBRARY\library\base\base-safe.ecf"/>
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<library name="connector_nino" location="..\..\library\server\ewsgi\connectors\nino\nino-safe.ecf" readonly="false" use_application_options="true">
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<option>
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<assertions precondition="true" check="true" invariant="true" supplier_precondition="true"/>
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</option>
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</library>
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<library name="default_nino" location="..\..\library\server\wsf\default\nino-safe.ecf" readonly="false" use_application_options="true"/>
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<library name="encoder" location="..\..\library\text\encoder\encoder-safe.ecf" readonly="false"/>
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<library name="http" location="..\..\library\protocol\http\http-safe.ecf" readonly="false"/>
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<library name="router" location="..\..\library\server\request\router\router-safe.ecf" readonly="false"/>
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<library name="testing" location="$ISE_LIBRARY\library\testing\testing-safe.ecf"/>
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<library name="uri_template" location="..\..\library\protocol\uri_template\uri_template-safe.ecf" readonly="false"/>
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<library name="wsf" location="..\..\library\server\wsf\wsf-safe.ecf" readonly="false" use_application_options="true"/>
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<cluster name="src" location="src\" recursive="true">
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</cluster>
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</target>
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</system>
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