path: root/post_fsd_wiki.phantomjs

var BLACKLIST_DATA_FILE = './blacklist-testdata.json' ;
var WIKI_BASE_URL       = 'http://localhost/mediawiki/index.php' ;
// var WIKI_BASE_URL  = 'https://directory.fsf.org/wiki?title=' ;
// var LOGIN_URL       = WIKI_URL + '/index.php?title=Special:Userlogin&action=submitlogin' ;
var LOGIN_URL           = WIKI_BASE_URL + '?title=Special:UserLogin' ;
var EDIT_URL            = WIKI_BASE_URL + '?title=_TITLE_&action=edit&redlink=1' ;
var USAGE_MSG           = "USAGE: phantomjs ./post_fsd_wiki.phantomjs <WIKI_LOGIN> <WIKI_PASS>" ;
var TITLE_URL_REGEX     = /_TITLE_/ ;
var WIKI_CONTENT_BEGIN  = '<!-- PARABOLA BLACKLIST BEGIN (DO NOT EDIT) -->Parabola Blacklist Description:' ;
var WIKI_CONTENT_END    = '<!-- PARABOLA BLACKLIST END -->' ;
var WIKI_CONTENT_REGEX  = RegExp(WIKI_CONTENT_BEGIN + '.*' + WIKI_CONTENT_END) ;
var LOGIN_IMPUT_ID      = 'wpName1' ;
var PASS_IMPUT_ID       = 'wpPassword1' ;
var SUBMIT_IMPUT_ID     = 'wpLoginAttempt' ;
var USERNAME_LI_ID      = 'pt-userpage' ;
var CONTENT_INPUT_ID    = 'wpTextbox1' ;
var EDIT_FORM_ID        = 'editform' ;
var PACKAGE_NAME_KEY    = 'original_package' ; var PAGE_TITLE_KEY = PACKAGE_NAME_KEY ;
// var REPLACEMENT_KEY     = 'libre_replacement' ;
// var REFERENCE_KEY       = 'ref' ;
// var ENTRY_ID_KEY        = 'id' ;
var DESCRIPTION_KEY     = 'short_description' ; var PAGE_TEXT_KEY = DESCRIPTION_KEY ;
var STEP_FUNCTION_KEY   = 'step-function' ;
var PAGELOAD_WAIT_KEY   = 'wait-for-pageload' ;
var STEP_TIMEOUT        = 3000 ; var StepTimeout ;

var System     = require('system') ;
var Args       = System.args ;
var Page       = require('webpage').create() ;
var WIKI_LOGIN = Args[1] || '' ;
var WIKI_PASS  = Args[2] || '' ;
var WikiPages  = [] ; var WikiPage ;
var Steps      = [] ; var Step ;
var StepN      = 0 ;
var IsReady    = true ;
var ShouldQuit = false ;


if (WIKI_LOGIN == '' || WIKI_PASS == '') { DBG(USAGE_MSG) ; phantom.exit() ; }


/* steps */

function prepare()
{
  LOG("loading BLACKLIST_DATA_FILE") ; var blacklist_data = require(BLACKLIST_DATA_FILE) ;

  if (!IsA(blacklist_data , Array )) { ForceQuit("failed to load package data") ;  return ; }

  blacklist_data.forEach(function(package_data)
  {
    var page_title = package_data[PACKAGE_NAME_KEY] ;
    var page_text  = package_data[DESCRIPTION_KEY ] ;

    if (!IsA(page_title , String)) { ForceQuit("invalid package data") ; return ; }
    if (!IsA(page_text  , String)) { ForceQuit("invalid package data") ; return ; }

    LOG("found package: " + page_title) ;
    var wiki_page             = {} ;
    wiki_page[PAGE_TITLE_KEY] = page_title.trim().replace(' ' , '_') ;
    wiki_page[PAGE_TEXT_KEY ] = page_text .trim() ;
    WikiPages.push(wiki_page) ;
  }) ;

  IsReady = true ;
}

function loadLoginPage()
{
  if (WikiPages.length == 0) { ForceQuit("no WikiPages to consider") ; return ; }

  OpenUrl(LOGIN_URL) ;
}

function submitLogin()
{
  QuitOnErr(Page.evaluate(function(login_input_id , pass_input_id , submit_input_id ,
                                    wiki_login     , wiki_pass                       )
  {
    var login_input  = document.getElementById(login_input_id ) ;
    var pass_input   = document.getElementById(pass_input_id  ) ;
    var submit_input = document.getElementById(submit_input_id) ;
    var login_form   = submit_input.form ;

    if (!login_input  || !login_input || !submit_input || !login_form)
      return "invalid login page" ;

    login_input.value = wiki_login ;
    pass_input.value  = wiki_pass ;

    login_form.submit() ;

  } , LOGIN_IMPUT_ID , PASS_IMPUT_ID , SUBMIT_IMPUT_ID , WIKI_LOGIN , WIKI_PASS)) ;
}

function verifyLogin()
{
  QuitOnErr(Page.evaluate(function(username_li_id , wiki_login)
  {
    var username_li = document.getElementById(username_li_id) ;

    if (!username_li || username_li.textContent.lowercase != wiki_login.lowercase)
      return "login failed" ;

    console.info("signed in as: " + username_li.textContent) ;
  } , USERNAME_LI_ID , WIKI_LOGIN)) ;
}

function loadEditPage()
{
  WikiPage       = WikiPages.shift ;
  var page_title = WikiPage[PAGE_TITLE_KEY] ;

  OpenUrl(EDIT_URL.replace(TITLE_URL_REGEX , page_title)) ;
}

function submitEditPage()
{
if (DEBUG_VB) DBG("in") ;

  var content_text = WikiPage[PAGE_TEXT_KEY] ; if (content_text == '') { ForceQuit("!BUG!") ; return ; }

  QuitOnErr(Page.evaluate(function(content_input_id   , edit_form_id ,
                                   wiki_content_regex , content_text )
  {
    var content_input    = document.getElementById(content_input_id) ;
    var edit_form        = content_input.form ;
    var existing_content = content_input.textContent ;

    if (!content_input || !edit_form) return "invalid edit page" ;

    var modified_content = existing_content.replace(wiki_content_regex , content_text) ;

console.log("submitEditPage() content_input.textContent  IN=" + existing_content) ;
console.log("submitEditPage() (modified_content == existing_content)=" + (modified_content == existing_content)) ;

    if (modified_content != existing_content || !wiki_content_regex.test(existing_content))
    { content_input.value = modified_content ; edit_form.submit() ; }

console.log("submitEditPage() content_input.textContent  OUT=" + existing_content) ;

  } , CONTENT_INPUT_ID   , EDIT_FORM_ID                                        ,
      WIKI_CONTENT_REGEX , WIKI_CONTENT_BEGIN + content_text + WIKI_CONTENT_END)) ;

if (DEBUG_VB) DBG("out") ;
}


/* main loop */

function MainLoop()
{
if (DEBUG_VB) DBG("ShouldQuit=" + ShouldQuit + " IsReady=" + IsReady) ;

  if      (!!ShouldQuit) { ERR(ShouldQuit) ; Done() ; return ; }
  else if (!IsReady    ) { PumpMainLoop() ;           return ; }

  clearTimeout(StepTimeout) ;

  var step    = Steps.shift() ;
  StepTimeout = setTimeout(function() { ForceQuit("timeout executing step") ; } , STEP_TIMEOUT) ;
  IsReady     = false ;

  if (typeof step !== 'function') Done() ;
  else                            { LOG("Step: " + step.name) ; step() ; PumpMainLoop() ; }
}

function PumpMainLoop() { setTimeout(MainLoop , 250) ; }

function ForceQuit(quit_msg) { ShouldQuit = quit_msg ; PumpMainLoop() ; }

function Done() { LOG("done") ; phantom.exit() ; }


/* helpers */

function OpenUrl(url)
{
DBG("url=" + url) ;

  Page.open(url , function(status) { if (status != 'success') ForceQuit("status: " + status) ; }) ;
}

function QuitOnErr(error_msg)
{
  if (!!error_msg) ForceQuit(error_msg) ; else IsReady = !Step[PAGELOAD_WAIT_KEY] ;
}

function IsA(an_object , expected_type)
{
  switch(expected_type)
  {
    case Array:  expected_type = '[object Array]' ;  break ;
    case String: expected_type = '[object String]' ; break ;
  }

  return (Object.prototype.toString.call(an_object) === expected_type) ;
}


/* event hendlers */

Page.onLoadStarted  = function() { IsReady = false ; ARGS.apply("Page.onLoadStarted" , arguments) ;              } ;

Page.onLoadFinished = function() { IsReady = true ;  ARGS.apply("Page.onLoadFinished " + Page.url , arguments) ; } ;

Page.onUrlChanged   = function() {                   ARGS.apply("Page.onUrlChanged"  , arguments) ;              } ;


/* logging */

Page.onConsoleMessage = function(msg) { LOG(msg) ; } ;

var DEBUG = true ; var DEBUG_EVS = DEBUG && false ; var DEBUG_VB = DEBUG && false ;
function LOG(log , color) { console.log((color || '\033[01;34m')    + log + '\033[00m'   ) ;    }
function ERR(err)         { LOG("ERROR: "                           + err , '\033[00;31m') ;    }
function DBG(dbg)         { if (!DEBUG) return ;
                            dbg = ((!!DBG.caller.name) ? DBG.caller.name + "() " : '') + dbg ;
                            LOG("DEBUG: "                           + dbg , '\033[00;32m') ;    }
function ARGS()           { if (!DEBUG_EVS) return ;
                            LOG("EVENT: " + this) ; var args = arguments ;
                            for (arg in args) LOG("  arg: " + JSON.stringify(args[arg])) ;      }


/* main entry */

Steps.push(prepare       ) ;
Steps.push(loadLoginPage ) ;
Steps.push(submitLogin   ) ;
Steps.push(verifyLogin   ) ;
Steps.push(loadEditPage  ) ;
Steps.push(submitEditPage) ;
MainLoop() ;