Moodle PHP Documentation 4.4
Moodle 4.4.1 (Build: 20240610) (db07c09afc5)
core_external\util Class Reference

Static Public Member Functions

static delete_service_descriptions (string $component)
 Delete all pre-built services, related tokens, and external functions information defined for the specified component.
 
static format_string ( $content, $context, $striplinks=true, $options=[])
 Format the string to be returned properly as requested by the either the web service server, either by an internally call.
 
static format_text ( $text, $textformat, $context, $component=null, $filearea=null, $itemid=null, $options=null)
 Format the text to be returned properly as requested by the either the web service server, either by an internally call.
 
static generate_token (int $tokentype, stdClass $service, int $userid, context $context, int $validuntil=0, string $iprestriction='', string $name='')
 Create and return a session linked token.
 
static generate_token_for_current_user (stdClass $service)
 Generate or return an existing token for the current authenticated user.
 
static generate_token_name ()
 Generate token name.
 
static get_area_files ($contextid, $component, $filearea, $itemid=false, $useitemidinurl=true)
 Returns all area files (optionally limited by itemid).
 
static get_service_by_id (int $serviceid)
 Get a service by its id.
 
static get_service_by_name (string $name)
 Get a service by its name.
 
static log_token_request (stdClass $token)
 Set the last time a token was sent and trigger the core\event\webservice_token_sent event.
 
static validate_courses ( $courseids, $courses=[], $addcontext=false, $keepfails=false)
 Validate a list of courses, returning the complete course objects for valid courses.
 
static validate_format ($format)
 Validate text field format against known FORMAT_XXX.
 

Member Function Documentation

◆ delete_service_descriptions()

static core_external\util::delete_service_descriptions ( string $component)
static

Delete all pre-built services, related tokens, and external functions information defined for the specified component.

Parameters
string$componentThe frankenstyle component name

◆ format_string()

static core_external\util::format_string ( $content,
$context,
$striplinks = true,
$options = [] )
static

Format the string to be returned properly as requested by the either the web service server, either by an internally call.

The caller can change the format (raw) with the settings singleton All web service servers must set this singleton when parsing the $_GET and $_POST.

Options are the same that in {
See also
format_string()} with some changes: filter : Can be set to false to force filters off, else observes {
settings}.
Parameters
string | null$contentThe string to be filtered. Should be plain text, expect possibly for multilang tags.
int | context$contextThe id of the context for the string or the context (affects filters).
boolean$striplinksTo strip any link in the result text. Moodle 1.8 default changed from false to true! MDL-8713
array$optionsoptions array/object or courseid
Return values
stringtext

◆ format_text()

static core_external\util::format_text ( $text,
$textformat,
$context,
$component = null,
$filearea = null,
$itemid = null,
$options = null )
static

Format the text to be returned properly as requested by the either the web service server, either by an internally call.

The caller can change the format (raw, filter, file, fileurl) with the core_external\settings singleton All web service servers must set this singleton when parsing the $_GET and $_POST.

Options are the same that in {
See also
format_text()} with some changes in defaults to provide backwards compatibility: trusted : If true the string won't be cleaned. Default false. noclean : If true the string won't be cleaned only if trusted is also true. Default false. nocache : If true the string will not be cached and will be formatted every call. Default false. filter : Can be set to false to force filters off, else observes {
core_external\settings}. para : If true then the returned string will be wrapped in div tags. Default (different from format_text) false. Default changed because div tags are not commonly needed. newlines : If true then lines newline breaks will be converted to HTML newline breaks. Default true. context : Not used! Using contextid parameter instead. overflowdiv : If set to true the formatted text will be encased in a div with the class no-overflow before being returned. Default false. allowid : If true then id attributes will not be removed, even when using htmlpurifier. Default (different from format_text) true. Default changed id attributes are commonly needed. blanktarget : If true all tags will have target="_blank" added unless target is explicitly specified.
Parameters
string | null$textThe content that may contain ULRs in need of rewriting.
string | int | null$textformatThe text format.
context$contextThis parameter and the next two identify the file area to use.
string | null$component
string | null$fileareahelps identify the file area.
int | string | null$itemidhelps identify the file area.
array | stdClass | null$optionstext formatting options
Return values
arraytext + textformat

◆ generate_token()

static core_external\util::generate_token ( int $tokentype,
stdClass $service,
int $userid,
context $context,
int $validuntil = 0,
string $iprestriction = '',
string $name = '' )
static

Create and return a session linked token.

Token to be used for html embedded client apps that want to communicate with the Moodle server through web services. The token is linked to the current session for the current page request. It is expected this will be called in the script generating the html page that is embedding the client app and that the returned token will be somehow passed into the client app being embedded in the page.

Parameters
int$tokentypeEXTERNAL_TOKEN_EMBEDDED|EXTERNAL_TOKEN_PERMANENT
stdClass$serviceservice linked to the token
int$useriduser linked to the token
context$context
int$validuntildate when the token expired
string$iprestrictionallowed ip - if 0 or empty then all ips are allowed
string$nametoken name as a note or token identity at the table view.
Return values
stringgenerated token

◆ generate_token_for_current_user()

static core_external\util::generate_token_for_current_user ( stdClass $service)
static

Generate or return an existing token for the current authenticated user.

This function is used for creating a valid token for users authenticathing via places, including:

  • login/token.php
  • admin/tool/mobile/launch.php.
Parameters
stdClass$serviceexternal service object
Return values
stdClasstoken object
Exceptions
moodle_exception

◆ generate_token_name()

static core_external\util::generate_token_name ( )
static

Generate token name.

Return values
string

◆ get_area_files()

static core_external\util::get_area_files ( $contextid,
$component,
$filearea,
$itemid = false,
$useitemidinurl = true )
static

Returns all area files (optionally limited by itemid).

Parameters
int$contextidcontext ID
string$componentcomponent
string$fileareafile area
int$itemiditem ID or all files if not specified
bool$useitemidinurlwether to use the item id in the file URL (modules intro don't use it)
Return values
arrayof files, compatible with the external_files structure.
Since
Moodle 3.2

◆ get_service_by_id()

static core_external\util::get_service_by_id ( int $serviceid)
static

Get a service by its id.

Parameters
int$serviceid
Return values
stdClass

◆ get_service_by_name()

static core_external\util::get_service_by_name ( string $name)
static

Get a service by its name.

Parameters
string$nameThe service name.
Return values
stdClass

◆ log_token_request()

static core_external\util::log_token_request ( stdClass $token)
static

Set the last time a token was sent and trigger the core\event\webservice_token_sent event.

This function is used when a token is generated by the user via login/token.php or admin/tool/mobile/launch.php. In order to protect the privatetoken, we remove it from the event params.

Parameters
stdClass$tokentoken object

◆ validate_courses()

static core_external\util::validate_courses ( $courseids,
$courses = [],
$addcontext = false,
$keepfails = false )
static

Validate a list of courses, returning the complete course objects for valid courses.

Each course has an additional 'contextvalidated' field, this will be set to true unless you set $keepfails, in which case it will be false if validation fails for a course.

Parameters
array$courseidsA list of course ids
array$coursesAn array of courses already pre-fetched, indexed by course id.
bool$addcontextTrue if the returned course object should include the full context object.
bool$keepfailsTrue to keep all the course objects even if validation fails
Return values
arrayAn array of courses and the validation warnings

◆ validate_format()

static core_external\util::validate_format ( $format)
static

Validate text field format against known FORMAT_XXX.

Parameters
string$formatthe format to validate
Return values
stringthe validated format
Exceptions
moodle_exception
Since
Moodle 2.3

The documentation for this class was generated from the following file: