some more documentation
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@ -13,6 +13,17 @@ use Friendica\Core\L10n;
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use Friendica\Core\Renderer;
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use Friendica\Core\System;
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/*
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* We will provide alternate templates for the register.tpl template.
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* This is done with the register_form hook. The user input has then
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* be evaluated with the register_post hook. To get the content into
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* the new fields of the registration.tpl we need to supply the variables
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* with the template_vars hook.
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*
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* So 1st registration of these hooks during the installation of the
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* addon and then unregistration of the hooks when the addon is
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* uninstalled.
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*/
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function mathcaptcha_install()
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{
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Hook::register('register_form', 'addon/mathcaptcha/mathcaptcha.php', 'mathcaptcha_register_form');
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@ -29,6 +40,11 @@ function mathcaptcha_uninstall()
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/**
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* Check if the captcha was solved correctly when posting the registration form
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*
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* If it is, let the default registration process proceed. If not, redirect the
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* user back to the registration form and show a notice why the process failed.
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*
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* @param b array holding the posted field from the registration form
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*/
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function mathcaptcha_register_post(App $a, &$b)
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{
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@ -57,7 +73,11 @@ function mathcaptcha_register_post(App $a, &$b)
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}
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/**
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* Add the captcha to the register form
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* Load an alternative register.tpl file that contains additional fields
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* for the captcha. Should there be a theme specific one, use that instead
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* of the default remplate.
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*
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* @param b the SMARTY template object for the registration form
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*/
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function mathcaptcha_register_form(App $a, &$b)
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{
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@ -79,7 +99,11 @@ function mathcaptcha_register_form(App $a, &$b)
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}
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/**
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* add template variables to the registration template
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* Add template variables to the registration template. Additionally
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* store the captcha information in the session variable of the Friendica
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* PHP session.
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*
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* @param $arr Array holding the variables applied to the template
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*/
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function mathcaptcha_template_vars(App $a, &$arr)
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{
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