Available Plugin Hooks

The registered callback function receives a hash array as single argument which contains hook specific data (called Arguments in the following list). It can then alter some of these values (listed as Return values) by returning a hash array containing the modified values.

Global Hooks

startup

When the application is initialized.
This is the place where task and action arguments can be altered.

Arguments:

• task
• action

Return values:

• task
• action

list_mailboxes

Triggered whenever a list of the mailboxes is requested from the IMAP class.
If no plugin returns a list, the default list is retrieved.

Arguments:

• root
• filter

Return values:

• folders: Folders list to be used

render_mailboxlist

When the mailbox list is about to be rendered.
This hook allows plugins to alter the folder tree or to localize folder names,

Arguments:

• list: The hierarchical list of mailboxes
• delimiter: The full message body as text

Return values:

• list

write_log

Triggered every time a message is sent to the logs.
Setting the abort field to true finishes log action before writing to file.

Arguments:

• name: The name of the target log
• line: The line to write to the log

Return values:

• name
• line
• abort

email2user

Triggered whenever a email-to-user lookup is executed.

Arguments:

• email: E-mail address

Return values:

• user: User login

user2email

Triggered whenever a login-to-email lookup is executed.
Can be used also to set initial identities for a new user.

Arguments:

• user: User login
• first: True if one entry is expected
• extended: True if array result (email and identity data) is expected

Return values:

• email: E-mail address (or array of arrays with keys: email, name, organization, reply-to, bcc, signature, html_signature)

---

Task "login"

authenticate

Before the user login on the IMAP server is performed.

Arguments:

• host
• user
• cookiecheck

Return values:

• host
• user
• pass
• cookiecheck: set to false to disable cookie check

login_after

Triggered after a user successfully logged in.
This hook allows a plugin to control the redirect after the login form was submitted. Information about the current user can be obtained from the rcube_user object at rcmail::get_instance()->user

Arguments:

• [url parameters, e.g. task, action, etc.]

Return values:

• task
• action
• [more url parameters]

login_failed

Triggered if user authentication failed.
Could be useful for logging or to give more detailed feedback to the user why the login failed.

Arguments:

• host
• user
• code

Return values:

none.

create_user

When a somebody logs in the first time and a local user is created.
Return values will also be used to create the default identity for this new user.

Arguments:

• user
• user_name
• user_email

Return values:

• user_name
• user_email
• alias

---

Task "logout"

kill_session

Triggered when a user logs out and the session is destroyed.

Arguments:

none.

Return values:

none.

logout_after

After the user is logged out and the session is killed, this hook is triggered.
The arguments still contain some user info which is not available in $_SESSION anymore. It's also possible to redirect to some other URL in this hook because it's the last action in the logout process.

Arguments:

• host
• user
• language

Return values:

none.

---

Task "mail"

imap_init

This hook allows you to configure some IMAP communications options.

Arguments:

• fetch_headers: String appended to the FETCH HEADER.FIELDS () list

Return values:

• fetch_headers: String with additional headers to be fetched (separated by space)

imap_connect

Triggered right before connecting to the IMAP server.
Similar to the authenticate hook but triggered in every step not just on login.

Arguments:

• host
• user

Return values:

• host
• user
• pass

message_load

Triggered when a message is loaded from the server, namely when a new rcube_message object was created.
This allows one to analyze the structured message object and find specific attachments, headers or contents for further actions.

Arguments:

• object: The rcube_message instance

Return values:

none.

message_read

Triggered when a message is loaded and its SEEN flag is set.
The message argument will give you access to all the message headers and its structure.

Arguments:

• uid
• mailbox
• message: The according rcube_message instance

Return values:

none.

message_part_encrypted

Triggered when the message structure is parsed and a message/encrypted part is processed.
The struct argument holds a hierarchical list of the current part and its sub-parts.

Arguments:

• object: The rcube_message instance
• struct: The raw part structure from the IMAP server
• part: The rcube_message_part to be displayed

Return values:

• part: The resulting part to be displayed
• parts: A list of resulting parts to be displayed

message_part_before

Triggered before a message part (text or html) is cleaned/formatted.

Arguments:

• type
• body
• safe
• plain
• inline_html

Return values:

• type
• body
• safe
• plain
• inline_html

message_part_after

After message text part formatting.

Arguments:

• type
• body
• safe
• plain
• inline_html

Return values:

• body

message_headers_output

Triggered when building the message headers table for display.
If you want to add more headers, you need to fetch them at the imap_init hook.

Arguments:

• output: Hash array with all the headers to be put into the html table
• headers: Message headers object

Return values:

• output: Altered headers array

message_compose

Triggered when the compose step is executed (before redirecting).
This allows a plugin to manipulate the request parameters and pre-fill the compose form. Even attachments can be appended to the message using this hook.

Arguments:

• param: Array with request parameters

Return values:

• param: Compose parameters like 'to', 'subject', 'body'
• attachments: Array of attachments to be added. An entry (array) should contain the fields 'path', 'name' and 'mimetype'

message_compose_body

Triggered during the compose step.
This allows a plugin to modify the body of a message after the blank/draft/forward has been assembled, but before the compose form is displayed.

Arguments:

• body: The body of the message

Return values:

• body: The body of the message

upload_attachment

Triggered every time a user uploads an attachment in message compose mode.
This hook is mainly used by core plugins that handle the storage of the uploaded files.

Arguments:

• path: Temporary file path to the uploaded file
• name: The original file name
• mimetype: Detected mime-type

Return values:

• status: True if the file was successfully stored (required)
• error: Error message in case a plugin rejects the upload and sets the abort flag
• id: The unique ID of the file to get retrieve it later on (required)
• name
• mimetype
• abort

save_attachment

Triggered for every attachment of forwarded message before compose.
This hook is mainly used by core plugins that handle the storage of mail attachments.

Arguments:

• path: Temporary file path or
• data: File contents (if path is empty)
• name: The original file name
• mimetype: Detected mime-type
• content_id: Message part ID

Return values:

• status: True if the file was successfully stored (required)
• id: The unique ID of the file to get retrieve it later on (required)
• name
• mimetype

outgoing_message_headers

Before a mail message is sent, this hooks allows you to set additional mail headers.

Arguments:

• headers: Hash array with current message headers

Return values:

• headers
• abort: If true the message will not be sent
• message: The reason why the message was not sent which will be shown to the user

outgoing_message_body

Before a mail message is composed, this hooks is triggered before assing the message body contents.

Arguments:

• body: The message body to be added
• type: html|plain|alternative
• message: Reference to current MailMime? object

Return values:

• body

smtp_connect

Triggered when before opening an SMTP connection to send a message.
Some SMTP related config options are passed as arguments and can be altered by a plugin.

Arguments:

• smtp_server
• smtp_port
• smtp_user
• smtp_pass
• smtp_auth_type
• smtp_helo_host

Return values:

all arguments

message_sent

Triggered when a message is finally sent
This hook can doesn't have any return values but can be used for logging or notifications.

Arguments:

• headers: Hash array with all message headers
• body: The full message body as text

Return values:

none.

new_messages

Triggered in step check_recent if some new (recent) messages are available.
This hook can doesn't have any return values but it can add some javascript actions to the output.

Arguments:

• mailbox: The current mailbox
• count: The number of new messages waiting

Return values:

none.

html_editor

Triggered to add HTML editor scripts into the page.
You can use it to replace default TinyMCE editor.

Arguments:

• mode: Editor mode. Specifies where editor is used. For identity signature or message body

Return values:

• abort

quota

Triggered after fetching mailbox quota resource usage and limits from IMAP server.

Arguments:

• total: Mailbox size limit in kilobytes. Not set if server doesn't support IMAP quota.
• used: Current mailbox size in kilobytes. Not set if server doesn't support IMAP quota.

Return values:

• total: Mailbox size limit in kilobytes.
• used: Current mailbox size in kilobytes.

---

Task "addressbook"

address_sources

Triggered when building the list of address sources in the address book view.
Each entry in the sources list needs to hold the following fields: id, name, readonly.

Arguments:

• sources: Hash array with list of available address books

Return values:

• sources

get_address_book

This hook is triggered each time an address book object is requested.
The id parameter specifies which address book the application needs. If it's the ID of the plugins' address book, this hooks should return an according instance of a rcube_addressbook implementation.

Arguments:

• id

Return values:

• instance: Instance of an address book implementation derived from rcube_addressbook

create_contact

Triggered when an new address book record is created.
A plugin can prevent the contact to be created by setting the abort field to true. The user is then rejected back to the input form.

Arguments:

• record: Hash array with record fields
• source: Address book identifier

Return values:

• record
• abort

save_contact

Triggered when an address book record is saved.
As in the create_contact hook this action can be aborted by setting the abort field to true.

Arguments:

• id
• record: Hash array with record fields
• source: Address book identifier

Return values:

• record
• abort

delete_contact

Triggered when an address book record is to be deleted.
To abort the deletion a plugin can set the abort field to true.

Arguments:

• id
• source: Address book identifier

Return values:

• abort

group_create

(since 0.4-beta)

Triggered when a contacts group is to be created.
A plugin can set the abort field to true in order to prevent the creation of this group.

Arguments:

• name: The name of the group to create
• source: Address book identifier

Return values:

• name
• abort
• message: Reason why this operation was aborted

group_delete

(since 0.4-beta)

Triggered when a specific contacts group should be deleted.
To abort the deletion a plugin can set the abort field to true.

Arguments:

• group_id: The group identifier
• source: Address book identifier

Return values:

• abort
• message: Reason why this operation was aborted

group_rename

(since 0.4-beta)

This hook is triggered when a contacts group is renamed.
To abort this operation a plugin can set the abort field to true.

Arguments:

• group_id: The group identifier
• name: New name of the group
• source: Address book identifier

Return values:

• abort
• message: Reason why this operation was aborted

group_addmembers

(since 0.4-beta)

When one or more contacts are added to a contacts group.
A plugin can set the abort field to true in order to prevent this action.

Arguments:

• ids: List of contact IDs (string separated by comma)
• group_id: The group identifier
• source: Address book identifier

Return values:

• ids
• abort
• message: Reason why this operation was aborted

group_delmembers

(since 0.4-beta)

Contacts are about to be removed from a group.
A plugin can set the abort field to true in order to prevent this action.

Arguments:

• ids: List of contact IDs (string separated by comma)
• group_id: The group identifier
• source: Address book identifier

Return values:

• ids
• abort
• message: Reason why this operation was aborted

---

Task "settings"

manage_folders

Allows a plugin to modify the main table on the manage folders screen

Arguments:

• table: reference to an html_table object

Return values:

none.

save_preferences

Allows a plugin to inject data into the array of preferences about to be saved

Arguments:

• prefs: Hash array with prefs to be saved

Return values:

• prefs

user_preferences

Allows a plugin to modify the user preferences table.
This hook is triggered for each section of the user prefs pane. The section is denoted in the section parameter. Possible values are general, mailbox, mailview, compose, folders, server

Arguments:

• section: which section of the prefs pane
• blocks: reference to an array containing preferences blocks/options

Return values:

• blocks

list_prefs_sections

Allows a plugin to modify the user preferences sections list.

Arguments:

• list: list (hash array) of sections
• cols: column names to display

Return values:

• list
• cols

list_identities

Triggered when a users identities are listed.

Arguments:

• list: The list of identity records
• cols: List of cols to be displayed

Return values:

• list
• cols

create_identity

Triggered when a user attempts to create a new sender identity.
A plugin can prevent the record to be created by setting the abort field to true. The user is then rejected back to the input form.

Arguments:

• login: True if triggered at login when a new user is created (deprecated)
• record: Hash array with identity record fields

Return values:

• record
• abort

save_identity

Triggered when a user changes one of his sender identities.
As in the create_identity hook this action can be aborted by setting the abort field to true.

Arguments:

• id
• record: Hash array with identity record fields

Return values:

• record
• abort

delete_identity

Triggered when a sender identity is to be deleted.
To abort the deletion a plugin can set the abort field to true.

Arguments:

• id

Return values:

• abort

---

Template Hooks

The RoundCube skin retrieves certain parts (e.g. message list, folders list, etc.) from the application with special tags within the HTML templates: <roundcube:object name="someobject" ... />. Template hooks are triggered once a template object is rendered. A plugin can alter or extend the html content of a template object.

The hooks are named template_object_* where * is the name of the object. A list of all available template objects is given in Doc_TemplateObjects?.

Arguments:

• content
• [tag attributes]

Return values:

• content

template_container

Allows a plugin the add HTML content to a specific container.
A skin template may specify several containers (e.g. taskbar, toolbar, etc...). This hook is triggered when the template engine processes such a container and it is also internally used for adding buttons using $this->add_button(attrib, container). Remember to always add or prepend to the content argument and never replace it entirely.

Arguments:

• name: Name of the container
• content: The container content

Return values:

• content

render_page

Triggered after a template was parsed, just before sending the HTML page to the client.
This is the place where plugins can add additional content to the page which is not related to any template object. Use $rcmail->output->add_footer() or $this->include_script() to extend the html page. Of course it's also possible to directly alter the content attribute.

Arguments:

• template: Name of the rendred template
• content: The HTML source

Return values:

• content