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Diffstat (limited to 'lib/to-html.rb')
| -rw-r--r-- | lib/to-html.rb | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/lib/to-html.rb b/lib/to-html.rb new file mode 100644 index 0000000..6785974 --- /dev/null +++ b/lib/to-html.rb @@ -0,0 +1,112 @@ + +OT_LOGO = "http://opentox.informatik.uni-freiburg.de/ot-logo.png" + +class String + + # encloses URI in text with with link tag + # @return [String] new text with marked links + def link_urls + self.gsub(/(?i)http(s?):\/\/[^\r\n\s']*/, '<a href=\0>\0</a>') + end +end + +module OpenTox + + # produces a html page for making web services browser friendly + # format of text (=string params) is preserved (e.g. line breaks) + # urls are marked as links + # @example post params: + # [ [ [:mandatory_param_1], [:mandatory_param_2], [:optional_param,"default_value"] ], + # [ [:alteranative_mandatory_param_1], [:alteranative_mandatory_param_2] ] + # ] + # @param [String] text this is the actual content, + # @param [optional,String] related_links info on related resources + # @param [optional,String] description general info + # @param [optional,Array] post_params, array of arrays containing info on POST operation, see example + # @return [String] html page + def self.text_to_html( text, subjectid=nil, related_links=nil, description=nil, post_params=nil ) + + # TODO add title as parameter + title = nil #$sinatra.url_for($sinatra.request.env['PATH_INFO'], :full) if $sinatra + html = "<html>" + html += "<title>"+title+"</title>" if title + html += "<img src="+OT_LOGO+"><body>" + + if AA_SERVER + user = OpenTox::Authorization.get_user(subjectid) if subjectid + html += "<pre><p align=\"right\">" + unless user + html += "You are currently not logged in to "+$url_provider.url_for("",:full)+ + ", <a href="+$url_provider.url_for("/login",:full)+">login</a>" + else + html += "You are logged in as '#{user}' to "+$url_provider.url_for("",:full)+ + ", <a href="+$url_provider.url_for("/logout",:full)+">logout</a>" + end + html += " </p></pre>" + end + + html += "<h3>Description</h3><pre><p>"+description.link_urls+"</p></pre>" if description + html += "<h3>Related links</h3><pre><p>"+related_links.link_urls+"</p></pre>" if related_links + if post_params + html += "<h3>POST parameters</h3>" + count = 0 + post_params.each do |p| + html += "<pre><p>alternatively:</p></pre>" if count > 0 + html += "<pre><p><table><thead><tr><th>param</th><th>default_value</th></tr></thead>" + p.each do |k,v| + html += "<tr><th>"+k.to_s+"</th><th>"+(v!=nil ? v.to_s : "<i>mandatory</i>")+"</th></tr>" + end + html += "</table></p></pre>" + count += 1 + end + end + html += "<h3>Content</h3>" if description || related_links + html += "<pre><p style=\"padding:15px; border:10px solid \#5D308A\">" + html += text.link_urls + html += "</p></pre></body><html>" + html + end + + def self.login( msg=nil ) + html = "<html><title>Login</title><img src="+OT_LOGO+"><body>" + html += "<form method='POST' action='"+$url_provider.url_for("/login",:full)+"'>" + html += "<pre><p style=\"padding:15px; border:10px solid \#5D308A\">" + html += msg+"\n\n" if msg + html += "Please login to "+$url_provider.url_for("",:full)+"\n\n" + html += "<table border=0>" + html += "<tr><td>user:</td><td><input type='text' name='user' size='15' /></td></tr>"+ + "<tr><td>password:</td><td><input type='password' name='password' size='15' /></td></tr>"+ + #"<input type=hidden name=back_to value="+back_to.to_s+">"+ + "<tr><td><input type='submit' value='Login' /></td></tr>" + html += "</table></p></pre></form></body><html>" + html + end +end + +=begin +get '/logout/?' do + response.set_cookie("subjectid",{:value=>nil}) + content_type "text/html" + content = "Sucessfully logged out from "+$url_provider.url_for("",:full) + OpenTox.text_to_html(content) +end + +get '/login/?' do + content_type "text/html" + OpenTox.login +end + +post '/login/?' do + subjectid = OpenTox::Authorization.authenticate(params[:user], params[:password]) + if (subjectid) + response.set_cookie("subjectid",{:value=>subjectid}) + content_type "text/html" + content = "Sucessfully logged in as '"+params[:user]+"' to "+$url_provider.url_for("",:full) + OpenTox.text_to_html(content,subjectid) + else + content_type "text/html" + OpenTox.login("Login failed, please try again") + end +end +=end + |