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This commit is contained in:
Jocelyn Fiat
2017-02-15 17:06:34 +01:00
parent f66dbc3ad4
commit a90780fde2
90 changed files with 13739 additions and 58 deletions
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24
docs/workbook/generating_response/status/application.e Normal file
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note
description: "Basic Service launcher"
class
APPLICATION
inherit
WSF_DEFAULT_SERVICE [APPLICATION_EXECUTION]
redefine
initialize
end
create
make_and_launch
feature {NONE} -- Initialization
initialize
-- Initialize current service.
do
set_service_option ("port", 9090)
end
end

138
docs/workbook/generating_response/status/application_execution.e Normal file
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note
description : "Basic Service that a simple web page to show the most common status codes"
date : "$Date$"
revision : "$Revision$"
class
APPLICATION_EXECUTION
inherit
WSF_EXECUTION
create
make
feature -- Basic operations
execute
-- Execute the incomming request
local
l_message: STRING
do
-- To send a response we need to setup, the status code and
-- the response headers.
if request.is_get_request_method then
if request.path_info.same_string ("/") then
response.put_header ({HTTP_STATUS_CODE}.ok, <<["Content-Type", "text/html"], ["Content-Length", web_page.count.out]>>)
response.put_string (web_page)
elseif request.path_info.same_string ("/redirect") then
send_redirect (request, response, "https://httpwg.github.io/")
elseif request.path_info.same_string ("/bad_request") then
-- Here you can do some logic for example log, send emails to register the error, before to send the response.
create l_message.make_from_string (message_template)
l_message.replace_substring_all ("$title", "Bad Request")
l_message.replace_substring_all ("$status", "Bad Request 400")
response.put_header ({HTTP_STATUS_CODE}.bad_request, <<["Content-Type", "text/html"], ["Content-Length", l_message.count.out]>>)
response.put_string (l_message)
elseif request.path_info.same_string ("/internal_error") then
-- Here you can do some logic for example log, send emails to register the error, before to send the response.
create l_message.make_from_string (message_template)
l_message.replace_substring_all ("$title", "Internal Server Error")
l_message.replace_substring_all ("$status", "Internal Server Error 500")
response.put_header ({HTTP_STATUS_CODE}.internal_server_error, <<["Content-Type", "text/html"], ["Content-Length", l_message.count.out]>>)
response.put_string (l_message)
else
create l_message.make_from_string (message_template)
l_message.replace_substring_all ("$title", "Resource not found")
l_message.replace_substring_all ("$status", "Resource not found 400")
response.put_header ({HTTP_STATUS_CODE}.not_found, <<["Content-Type", "text/html"], ["Content-Length", l_message.count.out]>>)
response.put_string (l_message)
end
else
create l_message.make_from_string (message_template)
l_message.replace_substring_all ("$title", "Method Not Allowed")
l_message.replace_substring_all ("$status", "Method Not Allowed 405")
-- Method not allowed
response.put_header ({HTTP_STATUS_CODE}.method_not_allowed, <<["Content-Type", "text/html"], ["Content-Length", l_message.count.out]>>)
response.put_string (l_message)
end
end
feature -- Home Page
send_redirect (req: WSF_REQUEST; res: WSF_RESPONSE; a_location: READABLE_STRING_32)
-- Redirect to `a_location'
local
h: HTTP_HEADER
do
create h.make
h.put_content_type_text_html
h.put_current_date
h.put_location (a_location)
res.set_status_code ({HTTP_STATUS_CODE}.see_other)
res.put_header_text (h.string)
end
web_page: STRING = "[
<!DOCTYPE html>
<html>
<head>
<title>Example showing common status codes</title>
</head>
<body>
<div id="header">
<p id="name">Use a tool to see the request and header details, for example (Developers tools in Chrome or Firebugs in Firefox)</p>
</div>
<div class="left"></div>
<div class="right">
<h4>This page is an example of Status Code 200</h4>
<h4> Redirect Example </h4>
<p> Click on the following link will redirect you to the HTTP Specifcation, we can do the redirect from the HTML directly but
here we want to show you an exmaple, where you can do something before to send a redirect <a href="/redirect">Redirect</a></p>
<h4> Bad Request </h4>
<p> Click on the following link, the server will answer with a 400 error, check the status code <a href="/bad_request">Bad Request</a></p>
<h4> Internal Server Error </h4>
<p> Click on the following link, the server will answer with a 500 error, check the status code <a href="/internal_error">Internal Error</a></p>
<h4> Resource not found </h4>
<p> Click on the following link or add to the end of the url something like /1030303 the server will answer with a 404 error, check the status code <a href="/not_foundd">Not found</a></p>
</div>
<div id="footer">
<p>Useful links for status codes <a href="httpstat.us">httpstat.us</a> and <a href="httpbing.org">httpbin.org</a></p>
</div>
</body>
</html>
]"
feature -- Generic Message
message_template: STRING="[
<!DOCTYPE html>
<html>
<head>
<title>$title</title>
</head>
<body>
<div id="header">
<p id="name">Use a tool to see the request and header details, for example (Developers tools in Chrome or Firebugs in Firefox)</p>
</div>
<div class="left"></div>
<div class="right">
<h4>This page is an example of $status</h4>
<div id="footer">
<p><a href="/">Back Home</a></p>
</div>
</body>
</html>
]"
end

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docs/workbook/generating_response/status/status.ecf Normal file
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<?xml version="1.0" encoding="ISO-8859-1"?>
<system xmlns="http://www.eiffel.com/developers/xml/configuration-1-15-0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.eiffel.com/developers/xml/configuration-1-15-0 http://www.eiffel.com/developers/xml/configuration-1-15-0.xsd" name="status" uuid="C28C4F53-9963-46C0-A080-8F13E94E7486">
<target name="common" abstract="true">
<file_rule>
<exclude>/.svn$</exclude>
<exclude>/CVS$</exclude>
<exclude>/EIFGENs$</exclude>
</file_rule>
<option warning="true" void_safety="all">
<assertions precondition="true" postcondition="true" check="true" invariant="true" loop="true" supplier_precondition="true"/>
</option>
<library name="base" location="$ISE_LIBRARY\library\base\base-safe.ecf"/>
<library name="http" location="$ISE_LIBRARY\contrib\library\network\protocol\http\http-safe.ecf"/>
<library name="wsf" location="$ISE_LIBRARY\contrib\library\web\framework\ewf\wsf\wsf-safe.ecf"/>
</target>
<target name="status_standalone" extends="common">
<root class="APPLICATION" feature="make_and_launch"/>
<option warning="true" void_safety="all">
<assertions precondition="true" postcondition="true" check="true" invariant="true" loop="true" supplier_precondition="true"/>
</option>
<library name="default_standalone" location="$ISE_LIBRARY\contrib\library\web\framework\ewf\wsf\default\standalone-safe.ecf"/>
<cluster name="status" location=".\" recursive="true"/>
</target>
<target name="status_cgi" extends="common">
<root class="APPLICATION" feature="make_and_launch"/>
<option warning="true" void_safety="all">
<assertions precondition="true" postcondition="true" check="true" invariant="true" loop="true" supplier_precondition="true"/>
</option>
<library name="default_cgi" location="$ISE_LIBRARY\contrib\library\web\framework\ewf\wsf\default\cgi-safe.ecf"/>
<cluster name="status" location=".\" recursive="true"/>
</target>
<target name="status_libfcgi" extends="common">
<root class="APPLICATION" feature="make_and_launch"/>
<option warning="true" void_safety="all">
<assertions precondition="true" postcondition="true" check="true" invariant="true" loop="true" supplier_precondition="true"/>
</option>
<library name="default_libfcgi" location="$ISE_LIBRARY\contrib\library\web\framework\ewf\wsf\default\libfcgi-safe.ecf"/>
<cluster name="status" location=".\" recursive="true"/>
</target>
<target name="status" extends="status_standalone">
</target>
</system>