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<?php
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/**
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* @file
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* Provides validation functionality and hooks
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*/
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/**
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* Implements hook_webform_validation_validators().
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*
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* This function returns an array of validators, in the validator key => options array form.
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* Possible options:
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* - name (required): name of the validator
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* - component types (required): defines which component types can be validated by this validator. Specify 'all' to allow all types
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* - negatable (optional): define whether the rule can be negated, meaning it will validate the inverse of the rule.
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* - custom_error (optional): define whether a user can specify a custom error message upon creating the validation rule.
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* - custom_data (optional): define whether custom data can be added to the validation rule
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* - min_components (optional): define the minimum number of components to be selected for creating a validation rule
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* - max_components (optional): define the maximum number of components to be selected for creating a validation rule
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* - description (optional): provide a descriptive explanation about the validator
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*/
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function webform_validation_webform_validation_validators() {
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$validators = array(
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'numeric' => array(
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'name' => t('Numeric values'),
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'component_types' => array(
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'number',
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'textfield',
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'hidden',
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),
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'custom_data' => array(
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'label' => t('Specify numeric validation range'),
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'description' => t('Optionally specify the minimum-maximum range to validate the user-entered numeric value against.') . ' ' . t('Usage') . ':'
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. theme('item_list', array('items' => array(t('empty: no value validation'), t('"100": greater than or equal to 100'), t('"|100": less than or equal to 100 (including negative numbers)'), t('"0|100": greater than or equal to 0 & less than or equal to 100'), t('"10|100": greater than or equal to 10 & less than or equal to 100'), t('"-100|-10": greater than or equal to -100 & less than or equal to -10')))),
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'required' => FALSE,
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),
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'description' => t('Verifies that user-entered values are numeric, with the option to specify min and / or max values.'),
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),
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'min_length' => array(
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'name' => t('Minimum length'),
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'component_types' => array(
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'number',
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'textfield',
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'textarea',
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'email',
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'hidden',
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),
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'custom_data' => array(
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'label' => t('Minimum number of characters'),
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'description' => t('Specify the minimum number of characters that have to be entered to pass validation.'),
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),
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'description' => t('Verifies that a user-entered value contains at least the specified number of characters'),
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),
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'max_length' => array(
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'name' => t('Maximum length'),
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'component_types' => array(
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'number',
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'textfield',
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'textarea',
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'email',
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'hidden',
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),
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'custom_data' => array(
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'label' => t('Maximum number of characters'),
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'description' => t('Specify the maximum number of characters that can be entered to pass validation.'),
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),
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'description' => t('Verifies that a user-entered value contains at most the specified number of characters'),
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),
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'min_words' => array(
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'name' => t('Minimum number of words'),
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'component_types' => array(
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'textfield',
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'textarea',
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'hidden',
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'html_textarea',
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),
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'custom_data' => array(
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'label' => t('Minimum number of words'),
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'description' => t('Specify the minimum number of words that have to be entered to pass validation. Words are defined as strings of letters separated by spaces.')
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),
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'description' => t('Verifies that a user-entered value contains at least the specified number of words.'),
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),
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'max_words' => array(
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'name' => t('Maximum number of words'),
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'component_types' => array(
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'textfield',
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'textarea',
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'hidden',
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'html_textarea',
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),
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'custom_data' => array(
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'label' => t('Maximum number of words'),
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'description' => t('Specify the maximum number of words that have to be entered to pass validation. Words are defined as strings of letters separated by spaces.')
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),
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'description' => t('Verifies that a user-entered value contains at most the specified number of words.'),
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),
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'equal' => array(
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'name' => t('Equal values'),
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'component_types' => array(
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'number',
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'textfield',
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'email',
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'select',
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'hidden',
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),
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'min_components' => 2,
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'description' => t('Verifies that all specified components contain equal values.'),
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),
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'comparison' => array(
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'name' => t('Compare two values'),
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'component_types' => array(
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'date',
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'email',
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'hidden',
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'number',
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'textfield',
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'select',
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'time',
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),
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'custom_error' => TRUE,
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'custom_data' => array(
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'label' => t('Comparison operator'),
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'description' => t('Specify the comparison operator you want to use. Must be one of: >, >=, <, <=. The validator will compare the first component with the second using this operator.'),
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),
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'min_components' => 2,
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'max_components' => 2,
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'description' => t('Compare two values for greater than or less than, or equal to.'),
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),
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'unique' => array(
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'name' => t('Unique values'),
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'component_types' => array(
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'number',
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'textfield',
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'email',
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'select',
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'hidden',
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),
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'min_components' => 2,
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'description' => t('Verifies that all specified components contain unique values.'),
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),
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'specific_value' => array(
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'name' => t('Specific value(s)'),
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'negatable' => TRUE,
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'component_types' => array(
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'number',
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'select',
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'textfield',
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'textarea',
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'email',
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'hidden',
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),
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'custom_error' => TRUE,
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'custom_data' => array(
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'label' => t('(Key) value'),
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'description' => t('Specify the specific value(s) you want the component to contain. Separate multiple options by a comma. For components that have keys, use the key value instead.'),
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),
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'max_components' => 1,
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'description' => t('Verifies that the value of the specified component is from a list of allowed values.'),
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),
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'default_value' => array(
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'name' => t('Default value'),
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'negatable' => TRUE,
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'component_types' => array(
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'select',
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'number',
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'textfield',
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'textarea',
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'email',
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'hidden',
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),
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'custom_error' => TRUE,
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'description' => t('Verifies that the user-entered value is the default value for that component. Negate if you want not the default value.'),
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),
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'oneoftwo' => array(
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'name' => t('Require at least one of two fields'),
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'component_types' => array(
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'number',
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'textfield',
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'textarea',
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'email',
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'select',
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),
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'min_components' => 2,
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'max_components' => 2,
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'description' => t('Forces the user to specify / select at least one of two selected webform components'),
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),
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'oneofseveral' => array(
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'name' => t('Require at least one of several fields'),
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'component_types' => array(
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'number',
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'textfield',
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'textarea',
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'email',
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'select',
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),
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'min_components' => 2,
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'description' => t('Forces the user to specify / select at least one of several selected webform components.'),
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),
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'select_min' => array(
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'name' => t('Minimum number of selections required'),
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'component_types' => array(
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'select',
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),
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'custom_data' => array(
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'label' => t('Minimum number of selections'),
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'description' => t('Specify the minimum number of options a user should select.'),
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),
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'description' => t('Forces the user to select at least a defined number of options from the specified webform components.'),
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),
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'select_max' => array(
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'name' => t('Maximum number of selections allowed'),
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'component_types' => array(
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'select',
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),
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'custom_data' => array(
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'label' => t('Maximum number of selections'),
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'description' => t('Specify the maximum number of options a user can select.'),
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),
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'description' => t('Forces the user to select at most a defined number of options from the specified webform components.'),
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),
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'select_exact' => array(
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'name' => t('Exact number of selections required'),
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'negatable' => TRUE,
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'component_types' => array(
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'select',
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),
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'custom_data' => array(
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'label' => t('Number of selections'),
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'description' => t('Specify how many options a user can select.'),
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),
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'description' => t('Forces the user to select exactly the defined number of options from the specified webform components.'),
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),
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'plain_text' => array(
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'name' => t('Plain text (disallow tags)'),
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'negatable' => TRUE,
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'component_types' => array(
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'textfield',
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'textarea',
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'email',
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'hidden',
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),
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'description' => t('Verifies that user-entered data doesn\'t contain HTML tags.'),
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),
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'starts_with' => array(
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'name' => t('Starts with'),
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'negatable' => TRUE,
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'component_types' => array(
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'number',
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'textfield',
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'textarea',
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'email',
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'hidden',
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),
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'custom_data' => array(
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'label' => t('Starts with'),
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'description' => t('Enter the text that this field must start with.'),
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),
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'description' => t('Verifies that user-entered data starts with a given string.'),
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),
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'ends_with' => array(
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'name' => t('Ends with'),
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'negatable' => TRUE,
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'component_types' => array(
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'number',
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'textfield',
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'textarea',
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'email',
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'hidden',
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),
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'custom_data' => array(
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'label' => t('Ends with'),
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'description' => t('Enter the text that this field must end with.'),
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),
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'description' => t('Verifies that user-entered data ends with a given string.'),
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),
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'pattern' => array(
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'name' => 'Pattern',
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'component_types' => array(
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'textfield',
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'hidden',
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),
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'custom_error' => TRUE,
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'custom_data' => array(
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'label' => t('Pattern'),
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'description' => t('Specify a pattern where:')
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. theme('item_list', array('items' => array(t('@ = any letter A-Z'), t('# = any numeral 0-9'), t('| = separates two or more acceptable patterns'), t('Any other character must appear in its exact position'))))
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. t('Examples')
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. theme('item_list', array('items' => array(t('North American phone number: (###) ###-####'), t('D-2500 series model numbers: D-25##'), t('UK Postal Code: @# #@@|@## #@@|@@# #@@|@@## #@@|@#@ #@@|@@#@ #@@|GIR0AA')))),
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),
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'description' => t('Verifies that a user-entered value follows to a specified pattern.'),
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),
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'regex' => array(
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'name' => t('Regular expression, case-sensitive'),
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'negatable' => TRUE,
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'component_types' => array(
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'number',
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'textfield',
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'textarea',
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'email',
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'hidden',
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),
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'custom_error' => TRUE,
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'custom_data' => array(
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'label' => t('Regex code'),
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'description' => t('Specify regex code to validate the user input against.'),
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),
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'description' => t('Validates user-entered text against a specified case-sensitive regular expression. Note: don\'t include delimiters such as /.'),
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),
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'regexi' => array(
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'name' => t('Regular expression, case-insensitive'),
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'negatable' => TRUE,
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'component_types' => array(
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'number',
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'textfield',
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'textarea',
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'email',
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'hidden',
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),
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'custom_error' => TRUE,
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'custom_data' => array(
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'label' => t('Regex code'),
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'description' => t('Specify regex code to validate the user input against.'),
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),
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'description' => t('Validates user-entered text against a specified case-insensitive regular expression. Note: don\'t include delimiters such as /.'),
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),
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'must_be_empty' => array(
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'name' => t('Must be empty'),
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'component_types' => array(
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'number',
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'textfield',
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'hidden',
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),
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'description' => t('Verifies that a specified textfield remains empty. Recommended use case: used as an anti-spam measure by hiding the element with CSS.'),
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),
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'blacklist' => array(
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'name' => t('Words blacklist'),
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'negatable' => TRUE,
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'component_types' => array(
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'textfield',
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'textarea',
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'email',
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'hidden',
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),
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'custom_error' => TRUE,
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345
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'custom_data' => array(
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'label' => t('Blacklisted words'),
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'description' => t('Specify illegal words, seperated by commas.'),
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),
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'description' => t('Validates that user-entered data doesn\'t contain any of the specified illegal words.'),
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),
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'username' => array(
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'name' => t('Must match a username'),
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'negatable' => TRUE,
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'component_types' => array(
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'textfield',
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'hidden',
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),
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'description' => t('Validates that user-entered data matches a username.'),
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),
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360
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'valid_url' => array(
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'name' => 'Valid URL',
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362
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'negatable' => TRUE,
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363
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'component_types' => array(
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364
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'textfield',
|
|
365
|
'hidden',
|
|
366
|
),
|
|
367
|
'description' => t('Validates that the user-entered data is a valid URL.'),
|
|
368
|
),
|
|
369
|
);
|
|
370
|
|
|
371
|
if (module_exists('email_verify')) {
|
|
372
|
$validators['email_verify'] = array(
|
|
373
|
'name' => 'Email Verify',
|
|
374
|
'component_types' => array(
|
|
375
|
'email',
|
|
376
|
),
|
|
377
|
'description' => t('Verifies that an email address actually exists using the <a href="https://drupal.org/project/email_verify">Email Verification module</a>.'),
|
|
378
|
);
|
|
379
|
}
|
|
380
|
|
|
381
|
return $validators;
|
|
382
|
}
|
|
383
|
|
|
384
|
/**
|
|
385
|
* Implements hook_webform_validation_validate().
|
|
386
|
*/
|
|
387
|
function webform_validation_webform_validation_validate($validator_name, $items, $components, $rule) {
|
|
388
|
if ($items) {
|
|
389
|
$errors = array();
|
|
390
|
switch ($validator_name) {
|
|
391
|
case 'numeric':
|
|
392
|
$num_range = _webform_numeric_check_data($rule['data']);
|
|
393
|
foreach ($items as $key => $val) {
|
|
394
|
if ($val != '') {
|
|
395
|
// first check if the value is numeric
|
|
396
|
if (is_numeric($val)) {
|
|
397
|
$val = (float) $val;
|
|
398
|
}
|
|
399
|
else {
|
|
400
|
$errors[$key] = t('%item is not numeric.', array('%item' => $components[$key]['name']));
|
|
401
|
continue;
|
|
402
|
}
|
|
403
|
|
|
404
|
// now validate the entered numeric value against the validator range settings, if appropriate
|
|
405
|
// a. validate min & max
|
|
406
|
if (isset($num_range['min']) && isset($num_range['max'])) {
|
|
407
|
// validate the min - max range
|
|
408
|
if ($val < $num_range['min'] || $val > $num_range['max']) {
|
|
409
|
$errors[$key] = t('%item is not within the allowed range %range.', array('%item' => $components[$key]['name'], '%range' => str_replace('|' , ' - ', $rule['data'])));
|
|
410
|
}
|
|
411
|
}
|
|
412
|
else {
|
|
413
|
// b. validate min
|
|
414
|
if (isset($num_range['min'])) {
|
|
415
|
if ($val < $num_range['min']) {
|
|
416
|
$errors[$key] = t('%item should be greater than or equal to %val.', array('%item' => $components[$key]['name'], '%val' => $num_range['min']));
|
|
417
|
}
|
|
418
|
}
|
|
419
|
// c. validate max
|
|
420
|
if (isset($num_range['max'])) {
|
|
421
|
if ($val > $num_range['max']) {
|
|
422
|
$errors[$key] = t('%item should be less than or equal to %val.', array('%item' => $components[$key]['name'], '%val' => $num_range['max']));
|
|
423
|
}
|
|
424
|
}
|
|
425
|
}
|
|
426
|
}
|
|
427
|
}
|
|
428
|
return $errors;
|
|
429
|
case 'min_length':
|
|
430
|
$min_length = $rule['data'];
|
|
431
|
foreach ($items as $key => $val) {
|
|
432
|
if ($val != '' && (drupal_strlen($val) < $min_length)) {
|
|
433
|
$errors[$key] = t('%item should be at least %num characters long.', array('%item' => $components[$key]['name'], '%num' => $min_length));
|
|
434
|
}
|
|
435
|
}
|
|
436
|
return $errors;
|
|
437
|
case 'max_length':
|
|
438
|
$max_length = $rule['data'];
|
|
439
|
foreach ($items as $key => $val) {
|
|
440
|
if ($val != '' && (drupal_strlen($val) > $max_length)) {
|
|
441
|
$errors[$key] = t('%item should be at most %num characters long.', array('%item' => $components[$key]['name'], '%num' => $max_length));
|
|
442
|
}
|
|
443
|
}
|
|
444
|
return $errors;
|
|
445
|
case 'min_words':
|
|
446
|
$min_words = $rule['data'];
|
|
447
|
foreach ($items as $key => $val) {
|
|
448
|
if ($val != '' && (_webform_validation_count_words($val) < $min_words)) {
|
|
449
|
$error = format_plural($min_words, '%item should be at least 1 word long.', '%item should be at least @count words long.', array('%item' => $components[$key]['name']));
|
|
450
|
$errors[$key] = $error;
|
|
451
|
}
|
|
452
|
}
|
|
453
|
return $errors;
|
|
454
|
case 'max_words':
|
|
455
|
$max_words = $rule['data'];
|
|
456
|
foreach ($items as $key => $val) {
|
|
457
|
if ($val != '' && (_webform_validation_count_words($val) > $max_words)) {
|
|
458
|
$error = format_plural($max_words, '%item should be at most 1 word long.', '%item should be at most @count words long.', array('%item' => $components[$key]['name']));
|
|
459
|
$errors[$key] = $error;
|
|
460
|
}
|
|
461
|
}
|
|
462
|
return $errors;
|
|
463
|
case 'equal':
|
|
464
|
$first_entry_key = key($items);
|
|
465
|
$first_entry = array_shift($items);
|
|
466
|
$first_entry = _webform_validation_flatten_array($first_entry); // flatten in case of array
|
|
467
|
// now check if following components equal the first one
|
|
468
|
foreach ($items as $key => $val) {
|
|
469
|
$val = _webform_validation_flatten_array($val); // flatten in case of array
|
|
470
|
if ($val !== $first_entry) {
|
|
471
|
$errors[$key] = t('%item_checked does not match %item_first.', array('%item_checked' => $components[$key]['name'], '%item_first' => $components[$first_entry_key]['name']));
|
|
472
|
}
|
|
473
|
}
|
|
474
|
return $errors;
|
|
475
|
case 'comparison':
|
|
476
|
foreach (array(1, 2) as $count) {
|
|
477
|
$entry[$count]['key'] = key($items);
|
|
478
|
$value = array_shift($items);
|
|
479
|
if ($components[$entry[$count]['key']]['type'] === 'date') {
|
|
480
|
if (checkdate((int) $value['month'], (int) $value['day'], (int) $value['year'])) {
|
|
481
|
$entry[$count]['value'] = date('Y-m-d', mktime(0, 0, 0, (int) $value['month'], (int) $value['day'], (int) $value['year']));
|
|
482
|
}
|
|
483
|
else {
|
|
484
|
$entry[$count]['value'] = NULL;
|
|
485
|
}
|
|
486
|
}
|
|
487
|
elseif ($components[$entry[$count]['key']]['type'] === 'time') {
|
|
488
|
$time = $value['hour'] . ':' . $value['minute'];
|
|
489
|
if (!empty($value['ampm'])) {
|
|
490
|
$time .= ' ' . $value['ampm'];
|
|
491
|
}
|
|
492
|
$time = strtotime($time);
|
|
493
|
if ($time) {
|
|
494
|
$entry[$count]['value'] = date('H:i', $time);
|
|
495
|
}
|
|
496
|
else {
|
|
497
|
$entry[$count]['value'] = NULL;
|
|
498
|
}
|
|
499
|
}
|
|
500
|
else {
|
|
501
|
$entry[$count]['value'] = _webform_validation_flatten_array($value);
|
|
502
|
}
|
|
503
|
}
|
|
504
|
|
|
505
|
// Don't validate if either are empty.
|
|
506
|
if (empty($entry[1]['value']) || empty($entry[2]['value'])) {
|
|
507
|
return;
|
|
508
|
}
|
|
509
|
|
|
510
|
$error = FALSE;
|
|
511
|
switch ($rule['data']) {
|
|
512
|
case '>':
|
|
513
|
if (!($entry[1]['value'] > $entry[2]['value'])) {
|
|
514
|
$error = TRUE;
|
|
515
|
}
|
|
516
|
break;
|
|
517
|
case '>=':
|
|
518
|
if (!($entry[1]['value'] >= $entry[2]['value'])) {
|
|
519
|
$error = TRUE;
|
|
520
|
}
|
|
521
|
break;
|
|
522
|
case '<':
|
|
523
|
if (!($entry[1]['value'] < $entry[2]['value'])) {
|
|
524
|
$error = TRUE;
|
|
525
|
}
|
|
526
|
break;
|
|
527
|
case '<=':
|
|
528
|
if (!($entry[1]['value'] <= $entry[2]['value'])) {
|
|
529
|
$error = TRUE;
|
|
530
|
}
|
|
531
|
break;
|
|
532
|
}
|
|
533
|
|
|
534
|
if ($error) {
|
|
535
|
$errors[$entry[2]['key']] = _webform_validation_i18n_error_message($rule);
|
|
536
|
}
|
|
537
|
return $errors;
|
|
538
|
case 'unique':
|
|
539
|
foreach ($items as $key => $val) {
|
|
540
|
if (is_array($val)) {
|
|
541
|
// make sure to flatten arrays first
|
|
542
|
$items[$key] = _webform_validation_flatten_array($val);
|
|
543
|
}
|
|
544
|
if (empty($items[$key])) {
|
|
545
|
// items without a value selected shouldn't be validated
|
|
546
|
unset($items[$key]);
|
|
547
|
}
|
|
548
|
}
|
|
549
|
// now we count how many times each value appears, and find out which values appear more than once
|
|
550
|
$items_count = array_count_values(array_map('drupal_strtolower', array_map('trim', $items)));
|
|
551
|
$doubles = array_filter($items_count, create_function('$x', 'return $x > 1;'));
|
|
552
|
foreach ($items as $key => $val) {
|
|
553
|
if (in_array(drupal_strtolower($val), array_keys($doubles))) {
|
|
554
|
$errors[$key] = t('The value of %item is not unique.', array('%item' => $components[$key]['name']));
|
|
555
|
}
|
|
556
|
}
|
|
557
|
return $errors;
|
|
558
|
case 'specific_value':
|
|
559
|
$specific_values = explode(',', $rule['data']);
|
|
560
|
$specific_values = array_map('trim', $specific_values);
|
|
561
|
foreach ($items as $key => $val) {
|
|
562
|
if (is_array($val)) {
|
|
563
|
// Selects: Fail if at least one checked and at least one not in the allowed values.
|
|
564
|
$val = array_filter($val);
|
|
565
|
$test = count($val) && count(array_diff($val, $specific_values));
|
|
566
|
}
|
|
567
|
else {
|
|
568
|
// Fail if not empty and not in the allowed values.
|
|
569
|
$test = $val && !in_array($val, $specific_values);
|
|
570
|
}
|
|
571
|
_webform_validation_test($errors, $key, $rule, $test);
|
|
572
|
}
|
|
573
|
return $errors;
|
|
574
|
case 'default_value':
|
|
575
|
foreach ($items as $key => $val) {
|
|
576
|
if (is_array($val)) {
|
|
577
|
$val = _webform_validation_flatten_array($val);
|
|
578
|
}
|
|
579
|
$test = $val != $components[$key]['value'];
|
|
580
|
_webform_validation_test($errors, $key, $rule, $test);
|
|
581
|
}
|
|
582
|
return $errors;
|
|
583
|
case 'oneoftwo':
|
|
584
|
// $components should have 2 items
|
|
585
|
$keys = array_keys($items);
|
|
586
|
$item1 = array_shift($keys);
|
|
587
|
$item2 = array_shift($keys);
|
|
588
|
$entry1 = _webform_validation_flatten_array($items[$item1]);
|
|
589
|
$entry2 = _webform_validation_flatten_array($items[$item2]);
|
|
590
|
if (empty($entry1) && empty($entry2)) {
|
|
591
|
return array($item1 => t('You have to specify %item1 or %item2 (or both).', array('%item1' => $components[$item1]['name'], '%item2' => $components[$item2]['name'])));
|
|
592
|
}
|
|
593
|
return;
|
|
594
|
case 'oneofseveral':
|
|
595
|
foreach ($items as $key => $val) {
|
|
596
|
if (is_array($val)) {
|
|
597
|
// make sure to flatten arrays first
|
|
598
|
$items[$key] = _webform_validation_flatten_array($val);
|
|
599
|
}
|
|
600
|
}
|
|
601
|
// $components should have at least one of several items
|
|
602
|
if (count(array_filter($items)) < 1) {
|
|
603
|
$keys = array_keys($items);
|
|
604
|
$names = array();
|
|
605
|
foreach ($keys as $value) {
|
|
606
|
$names[] = _webform_filter_xss($components[$value]['name']);
|
|
607
|
}
|
|
608
|
return array($keys[0] => t('You have to specify at least one of these items:') . theme('item_list', array('items' => $names)));
|
|
609
|
}
|
|
610
|
return;
|
|
611
|
case 'select_min':
|
|
612
|
$min_selections = $rule['data'];
|
|
613
|
foreach ($items as $key => $val) {
|
|
614
|
if (is_array($val) && (count(array_filter($val, '_webform_validation_check_false')) < $min_selections)) {
|
|
615
|
$errors[$key] = t('Please select at least %num options for %item.', array('%num' => $min_selections, '%item' => $components[$key]['name']));
|
|
616
|
}
|
|
617
|
}
|
|
618
|
return $errors;
|
|
619
|
case 'select_max':
|
|
620
|
$max_selections = $rule['data'];
|
|
621
|
foreach ($items as $key => $val) {
|
|
622
|
if (is_array($val) && (count(array_filter($val, '_webform_validation_check_false')) > $max_selections)) {
|
|
623
|
$errors[$key] = t('Please select maximum %num options for %item.', array('%num' => $max_selections, '%item' => $components[$key]['name']));
|
|
624
|
}
|
|
625
|
}
|
|
626
|
return $errors;
|
|
627
|
case 'select_exact':
|
|
628
|
$allowed_selections = $rule['data'];
|
|
629
|
foreach ($items as $key => $val) {
|
|
630
|
$error_strings = array(
|
|
631
|
'regular' => 'Please select %num options for %item.',
|
|
632
|
'negated' => 'Please do not select %num options for %item.',
|
|
633
|
);
|
|
634
|
$error_vars = array('%num' => $allowed_selections, '%item' => $components[$key]['name']);
|
|
635
|
$test = is_array($val) && (count(array_filter($val, '_webform_validation_check_false')) != $allowed_selections);
|
|
636
|
_webform_validation_test($errors, $key, $rule, $test, $error_strings, $error_vars);
|
|
637
|
}
|
|
638
|
return $errors;
|
|
639
|
case 'plain_text':
|
|
640
|
foreach ($items as $key => $val) {
|
|
641
|
$error_strings = array(
|
|
642
|
'regular' => '%item only allows the use of plain text.',
|
|
643
|
'negated' => '%item must contain HTML tags.',
|
|
644
|
);
|
|
645
|
$error_vars = array('%item' => $components[$key]['name']);
|
|
646
|
$test = $val != '' && (strcmp($val, strip_tags($val)));
|
|
647
|
_webform_validation_test($errors, $key, $rule, $test, $error_strings, $error_vars);
|
|
648
|
}
|
|
649
|
return $errors;
|
|
650
|
case 'starts_with':
|
|
651
|
case 'ends_with':
|
|
652
|
$pattern = _webform_validation_preg_quote($rule['data'], '/');
|
|
653
|
if ($validator_name === 'starts_with') {
|
|
654
|
$pattern = '^' . $pattern;
|
|
655
|
$verb = t('start');
|
|
656
|
}
|
|
657
|
else {
|
|
658
|
$pattern .= '$';
|
|
659
|
$verb = t('end');
|
|
660
|
}
|
|
661
|
$pattern = '/' . $pattern . '/';
|
|
662
|
|
|
663
|
foreach ($items as $key => $val) {
|
|
664
|
$val = (string) $val;
|
|
665
|
$error_strings = array(
|
|
666
|
'regular' => '%item must %verb with "%string".',
|
|
667
|
'negated' => '%item must not %verb with "%string".',
|
|
668
|
);
|
|
669
|
$error_vars = array('%item' => $components[$key]['name'], '%verb' => $verb, '%string' => $rule['data']);
|
|
670
|
$test = $val && !preg_match($pattern, $val);
|
|
671
|
_webform_validation_test($errors, $key, $rule, $test, $error_strings, $error_vars);
|
|
672
|
}
|
|
673
|
return $errors;
|
|
674
|
case 'pattern':
|
|
675
|
$pattern = _webform_validation_preg_quote($rule['data'], '/');
|
|
676
|
$pattern = str_replace('@', '[a-zA-Z]', $pattern);
|
|
677
|
$pattern = str_replace('#', '[0-9]', $pattern);
|
|
678
|
$pattern = '(' . $pattern . ')';
|
|
679
|
// Un-escape "|" operator.
|
|
680
|
$pattern = preg_replace('/(\\s*)(\\\\)(\\|)(\\s*)/', ')|(', $pattern);
|
|
681
|
foreach ($items as $key => $val) {
|
|
682
|
$val = (string) $val;
|
|
683
|
$test = $val !== '' && !preg_match('/^(' . $pattern . ')$/', $val);
|
|
684
|
_webform_validation_test($errors, $key, $rule, $test);
|
|
685
|
}
|
|
686
|
return $errors;
|
|
687
|
case 'regex':
|
|
688
|
case 'regexi':
|
|
689
|
mb_regex_encoding('UTF-8');
|
|
690
|
$regex = $rule['data'];
|
|
691
|
foreach ($items as $key => $val) {
|
|
692
|
$val = (string) $val;
|
|
693
|
if ($val) {
|
|
694
|
if ($validator_name === 'regexi') {
|
|
695
|
$match = (bool) mb_eregi($regex, $val);
|
|
696
|
}
|
|
697
|
else {
|
|
698
|
$match = (bool) mb_ereg($regex, $val);
|
|
699
|
}
|
|
700
|
$test = !$match;
|
|
701
|
_webform_validation_test($errors, $key, $rule, $test);
|
|
702
|
}
|
|
703
|
}
|
|
704
|
return $errors;
|
|
705
|
case 'must_be_empty':
|
|
706
|
foreach ($items as $key => $val) {
|
|
707
|
if ($val) {
|
|
708
|
$errors[$key] = t('%item does not contain the correct data.', array('%item' => $components[$key]['name']));
|
|
709
|
}
|
|
710
|
}
|
|
711
|
return $errors;
|
|
712
|
case 'blacklist':
|
|
713
|
$blacklist = _webform_validation_preg_quote($rule['data'], '/');
|
|
714
|
$blacklist = explode(',', $blacklist);
|
|
715
|
$blacklist = array_map('trim', $blacklist);
|
|
716
|
$blacklist = '/\b(' . implode('|', $blacklist) . ')\b/i';
|
|
717
|
foreach ($items as $key => $val) {
|
|
718
|
$test = $val != '' && preg_match($blacklist, $val);
|
|
719
|
_webform_validation_test($errors, $key, $rule, $test);
|
|
720
|
}
|
|
721
|
return $errors;
|
|
722
|
case 'username':
|
|
723
|
foreach ($items as $key => $val) {
|
|
724
|
$error_strings = array(
|
|
725
|
'regular' => 'The %item field does not match an active username.',
|
|
726
|
'negated' => 'The %item field matches an active username.',
|
|
727
|
);
|
|
728
|
$error_vars = array('%item' => $components[$key]['name']);
|
|
729
|
$test = $val != '' && !db_query_range('SELECT 1 FROM {users} WHERE name = :username AND status = 1', 0, 1, array(':username' => $val))->fetchField();
|
|
730
|
_webform_validation_test($errors, $key, $rule, $test, $error_strings, $error_vars);
|
|
731
|
}
|
|
732
|
return $errors;
|
|
733
|
case 'valid_url':
|
|
734
|
foreach ($items as $key => $val) {
|
|
735
|
$error_strings = array(
|
|
736
|
'regular' => '%item does not appear to be a valid URL.',
|
|
737
|
'negated' => '%item must not be a valid URL.',
|
|
738
|
);
|
|
739
|
$error_vars = array('%item' => $components[$key]['name']);
|
|
740
|
$test = $val && !valid_url($val, TRUE);
|
|
741
|
_webform_validation_test($errors, $key, $rule, $test, $error_strings, $error_vars);
|
|
742
|
}
|
|
743
|
return $errors;
|
|
744
|
case 'email_verify':
|
|
745
|
if (module_exists('email_verify')) {
|
|
746
|
foreach ($items as $key => $val) {
|
|
747
|
$error = email_verify_check($val);
|
|
748
|
if ($error) {
|
|
749
|
$errors[$key] = $error;
|
|
750
|
}
|
|
751
|
}
|
|
752
|
}
|
|
753
|
return $errors;
|
|
754
|
}
|
|
755
|
}
|
|
756
|
}
|
|
757
|
|
|
758
|
/**
|
|
759
|
* Helper function to negate validation rules as needed and create the correct error message.
|
|
760
|
*/
|
|
761
|
function _webform_validation_test(&$errors, $key, $rule, $test, array $error_strings = NULL, array $error_vars = NULL) {
|
|
762
|
$rule['negate'] = !empty($rule['negate']);
|
|
763
|
if ($rule['negate']) {
|
|
764
|
$test = !$test;
|
|
765
|
}
|
|
766
|
if ($test) {
|
|
767
|
if ($error_strings) {
|
|
768
|
$error = t($error_strings[$rule['negate'] ? 'negated' : 'regular'], $error_vars);
|
|
769
|
}
|
|
770
|
else {
|
|
771
|
$error = _webform_validation_i18n_error_message($rule);
|
|
772
|
}
|
|
773
|
$errors[$key] = $error;
|
|
774
|
}
|
|
775
|
}
|
|
776
|
|
|
777
|
/**
|
|
778
|
* Count the number of words in a value.
|
|
779
|
*/
|
|
780
|
function _webform_validation_count_words($val) {
|
|
781
|
// Deal with values from HTML textareas.
|
|
782
|
if (is_array($val) && isset($val['value'])) {
|
|
783
|
$val = strip_tags($val['value']);
|
|
784
|
// Replace entities representing spaces with actual spaces.
|
|
785
|
$val = str_replace(' ', ' ', $val);
|
|
786
|
$val = str_replace(' ', ' ', $val);
|
|
787
|
}
|
|
788
|
else {
|
|
789
|
$val = _webform_validation_flatten_array($val);
|
|
790
|
}
|
|
791
|
return str_word_count($val);
|
|
792
|
}
|
|
793
|
|
|
794
|
/**
|
|
795
|
* Fixed version of preg_quote() to work around PHP bug #47229. Remove when
|
|
796
|
* PHP_VERSION < 5.3 is no longer supported.
|
|
797
|
*/
|
|
798
|
function _webform_validation_preg_quote($str, $delimiter = NULL) {
|
|
799
|
$str = preg_quote($str, $delimiter);
|
|
800
|
if (PHP_VERSION < 5.3) {
|
|
801
|
$str = str_replace('-', '\-', $str);
|
|
802
|
}
|
|
803
|
return $str;
|
|
804
|
}
|
|
805
|
|
|
806
|
/**
|
|
807
|
* Helper function to deal with submitted values that are arrays (e.g. multiple select component)
|
|
808
|
* We flatten the array as a comma-separated list to do the comparison.
|
|
809
|
*/
|
|
810
|
function _webform_validation_flatten_array($val) {
|
|
811
|
if (is_array($val)) {
|
|
812
|
$arr = array_filter($val, '_webform_validation_check_false');
|
|
813
|
return implode(',', $arr);
|
|
814
|
}
|
|
815
|
return $val;
|
|
816
|
}
|
|
817
|
|
|
818
|
/**
|
|
819
|
* Get a list of validator definitions
|
|
820
|
*/
|
|
821
|
function webform_validation_get_validators() {
|
|
822
|
$validators = module_invoke_all('webform_validation_validators');
|
|
823
|
// let modules use hook_webform_validator_alter($validators) to change validator settings
|
|
824
|
drupal_alter('webform_validator', $validators);
|
|
825
|
return $validators;
|
|
826
|
}
|
|
827
|
|
|
828
|
/**
|
|
829
|
* @todo Please document this function.
|
|
830
|
* @see http://drupal.org/node/1354
|
|
831
|
*/
|
|
832
|
function webform_validation_get_validators_selection() {
|
|
833
|
$selection = array();
|
|
834
|
$validators = webform_validation_get_validators();
|
|
835
|
if ($validators) {
|
|
836
|
foreach ($validators as $validator_key => $validator_info) {
|
|
837
|
$selection[$validator_key] = $validator_info['name'];
|
|
838
|
}
|
|
839
|
}
|
|
840
|
return $selection;
|
|
841
|
}
|
|
842
|
|
|
843
|
/**
|
|
844
|
* Get a list of valid component types per validator, as defined via hook_webform_validation_validators().
|
|
845
|
* If 'all' is specified, all available component types will be returned.
|
|
846
|
*/
|
|
847
|
function webform_validation_valid_component_types($validator) {
|
|
848
|
$validators = webform_validation_get_validators();
|
|
849
|
if ($info = $validators[$validator]) {
|
|
850
|
$allowed_types = $info['component_types'];
|
|
851
|
if (_webform_validation_all_allowed($allowed_types)) {
|
|
852
|
return array_keys(webform_components());
|
|
853
|
}
|
|
854
|
return $info['component_types'];
|
|
855
|
}
|
|
856
|
}
|
|
857
|
|
|
858
|
/**
|
|
859
|
* Helper function to check whether all components are allowed to be used for a certain validator
|
|
860
|
*/
|
|
861
|
function _webform_validation_all_allowed($allowed) {
|
|
862
|
if ($allowed) {
|
|
863
|
foreach ($allowed as $type) {
|
|
864
|
if ($type == 'all') {
|
|
865
|
return TRUE;
|
|
866
|
}
|
|
867
|
}
|
|
868
|
}
|
|
869
|
return FALSE;
|
|
870
|
}
|
|
871
|
|
|
872
|
/**
|
|
873
|
* @todo Please document this function.
|
|
874
|
* @see http://drupal.org/node/1354
|
|
875
|
*/
|
|
876
|
function webform_validation_get_validator_info($validator_key) {
|
|
877
|
$validators = webform_validation_get_validators();
|
|
878
|
return $validators[$validator_key];
|
|
879
|
}
|
|
880
|
|
|
881
|
/**
|
|
882
|
* Handle translatable error messages, if available
|
|
883
|
*/
|
|
884
|
function _webform_validation_i18n_error_message($rule) {
|
|
885
|
$rule['error_message'] = filter_xss($rule['error_message']);
|
|
886
|
if (module_exists('i18nstrings')) {
|
|
887
|
return i18nstrings('webform_validation:error_message:' . $rule['ruleid'] . ':message', $rule['error_message']);
|
|
888
|
}
|
|
889
|
return $rule['error_message'];
|
|
890
|
}
|
|
891
|
|
|
892
|
/**
|
|
893
|
* Helper function used by array_filter to determine if a value was selected or not
|
|
894
|
*/
|
|
895
|
function _webform_validation_check_false($var) {
|
|
896
|
return $var !== FALSE && $var !== 0;
|
|
897
|
}
|
|
898
|
|
|
899
|
/**
|
|
900
|
* Process the numeric value validation range that was provided in the numeric validator options
|
|
901
|
*/
|
|
902
|
function _webform_numeric_check_data($data) {
|
|
903
|
$range = array('min' => NULL, 'max' => NULL);
|
|
904
|
// if no value was specified, don't validate
|
|
905
|
if ($data == '') {
|
|
906
|
return $range;
|
|
907
|
}
|
|
908
|
|
|
909
|
// If only one numeric value was specified, this is the min value
|
|
910
|
if (is_numeric($data)) {
|
|
911
|
$range['min'] = (float) $data;
|
|
912
|
}
|
|
913
|
|
|
914
|
if (strpos($data, '|') !== FALSE) {
|
|
915
|
list($min, $max) = explode('|', $data);
|
|
916
|
if ($min != '' && is_numeric($min)) {
|
|
917
|
$range['min'] = (float) $min;
|
|
918
|
}
|
|
919
|
if ($max != '' && is_numeric($max)) {
|
|
920
|
$range['max'] = (float) $max;
|
|
921
|
}
|
|
922
|
}
|
|
923
|
return $range;
|
|
924
|
}
|
