This recipe puts a trivial speed bump in the way of form spammers. By forcing them to actually evaluate the page with a Javascript engine (or do extra processing to figure out what is needed), you raise the amount of effort required above that which most form spammers are likely to spend.
Pick a nice random number. The SHA1 of some Git commit would be a good one. I picked this one:
5187b6aec9b0607858a7c032d2c9ded04b050f31
Step 2
| // Inside a Restlet Resource's represent(...) method | |
| PipedInputStream pi = new PipedInputStream(); | |
| PipedOutputStream po = new PipedOutputStream(pi); | |
| Representation ir = new OutputRepresentation(MediaType.TEXT_PLAIN){ | |
| @Override | |
| public void write(OutputStream realOutput) throws IOException { | |
| byte[] b = new byte[8]; | |
| int read; | |
| while ((read = pi.read(b)) != -1) { |
| <html> | |
| <head> | |
| <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.4.3/jquery.min.js"></script> | |
| <script> | |
| function check(){ | |
| var species = $('#how_threatened_is').get(0).value; | |
| species = species.replace(' ','-'); | |
| $.ajax({ | |
| dataType: "jsonp", | |
| url: 'http://api.iucnredlist.org/index/species/'+species+".js", |
| !ENTRY org.eclipse.ui 4 0 2013-03-15 14:49:54.964 | |
| !MESSAGE Unhandled event loop exception | |
| !STACK 0 | |
| java.lang.NullPointerException | |
| at com.appcelerator.titanium.mobile.cli.nodejs.NodeIOSInfo.convertToLegacyMap(NodeIOSInfo.java:28) | |
| at com.appcelerator.titanium.mobile.cli.nodejs.NodeIOSInfo.<init>(NodeIOSInfo.java:22) | |
| at com.appcelerator.titanium.mobile.cli.nodejs.IOSNodeJSCommandsHelper.runPackagePrereqCheck(IOSNodeJSCommandsHelper.java:437) | |
| at com.appcelerator.titanium.mobile.cli.nodejs.NodeTitaniumSDKCommandsHandler.runPackagePrereqCheck(NodeTitaniumSDKCommandsHandler.java:398) | |
| at com.appcelerator.titanium.mobile.iphone.IOSConfigurationHelper.runPackagePrereqCheck(IOSConfigurationHelper.java:285) | |
| at com.appcelerator.titanium.mobile.iphone.IOSConfiguration.refreshPrereq(IOSConfiguration.java:202) |
| Macintosh-2:iucnredlistwebsite robheittman$ rvm gemset create redlist | |
| 'redlist' gemset created (/Users/robheittman/.rvm/gems/ruby-1.9.3-p125@redlist). | |
| Macintosh-2:iucnredlistwebsite robheittman$ rvm gemset use redlist | |
| Using /Users/robheittman/.rvm/gems/ruby-1.9.3-p125 with gemset redlist | |
| Macintosh-2:iucnredlistwebsite robheittman$ gem install bundler | |
| Fetching: bundler-1.2.1.gem (100%) | |
| Successfully installed bundler-1.2.1 | |
| 1 gem installed | |
| Installing ri documentation for bundler-1.2.1... | |
| Installing RDoc documentation for bundler-1.2.1... |
| killall node; rm -rf olo-mooyah-build && git clone git@github.com:rfc2616/olo-restaurant-apps.git olo-mooyah-build && cd olo-mooyah-build && sh caffeine.sh |
| vacuum analyze; | |
| drop table if exists st_countryoccurrencesubfield_countryoccurrencelookup; | |
| create table st_countryoccurrencesubfield_countryoccurrencelookup as select * from vw_published.vw_countryoccurrencesubfield_countryoccurrencelookup ; | |
| drop table if exists st_countryoccurrencesubfield_presence; | |
| create table st_countryoccurrencesubfield_presence as select * from vw_published.vw_countryoccurrencesubfield_presence; | |
| drop table if exists st_countryoccurrencesubfield_origin; | |
| create table st_countryoccurrencesubfield_origin as select * from vw_published.vw_countryoccurrencesubfield_origin; | |
| DROP TABLE IF EXISTS st_countryoccurrence; | |
| CREATE TABLE st_countryoccurrence AS | |
| SELECT country.taxonid, country.assessmentid, country.value, country.recordid, record."CODE" as code, record."DESCRIPTION" as country, pres."LABEL" as presence, origin."LABEL" as origin |
| create table redlist_csv_export (species_id int,kingdom text,phylum text, class text, "order" text, family text, genus text, species text, authority text, infrarank text, infraname text, infraauth text, stock text, synonyms text, common_en text, common_fr text, common_sp text, redlist_status text, redlist_criteria text, redlist_criteria_version text, year text, trend text, petitioned text); |
| # Be sure to restart your server when you modify this file. | |
| # Add new mime types for use in respond_to blocks: | |
| # Mime::Type.register "text/richtext", :rtf | |
| # Mime::Type.register_alias "text/html", :iphone | |
| Mime::Type.register "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet", :xlsx | |
| # For now, the xlsx type is missing from Rack | |
| Rack::Mime::MIME_TYPES.merge!({'.xlsx'=>'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet'}) |
| Created database encoding_test_1325444057 | |
| Error message encoding is: ASCII-8BIT | |
| #<Encoding::CompatibilityError: incompatible character encodings: UTF-8 and ASCII-8BIT> | |
| pg_issue.rb:17:in `rescue in <main>' | |
| pg_issue.rb:7:in `<main>' | |
| Dropped database encoding_test_1325444057 |