57 lines
1.2 KiB
Go
57 lines
1.2 KiB
Go
package imapclient
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import (
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"fmt"
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"github.com/emersion/go-imap/v2"
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"github.com/emersion/go-imap/v2/internal"
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"github.com/emersion/go-imap/v2/internal/imapwire"
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)
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// Capability sends a CAPABILITY command.
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func (c *Client) Capability() *CapabilityCommand {
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cmd := &CapabilityCommand{}
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c.beginCommand("CAPABILITY", cmd).end()
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return cmd
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}
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func (c *Client) handleCapability() error {
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caps, err := readCapabilities(c.dec)
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if err != nil {
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return err
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}
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c.setCaps(caps)
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if cmd := findPendingCmdByType[*CapabilityCommand](c); cmd != nil {
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cmd.caps = caps
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}
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return nil
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}
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// CapabilityCommand is a CAPABILITY command.
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type CapabilityCommand struct {
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commandBase
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caps imap.CapSet
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}
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func (cmd *CapabilityCommand) Wait() (imap.CapSet, error) {
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err := cmd.wait()
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return cmd.caps, err
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}
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func readCapabilities(dec *imapwire.Decoder) (imap.CapSet, error) {
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caps := make(imap.CapSet)
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for dec.SP() {
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// Some IMAP servers send multiple SP between caps:
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// https://github.com/emersion/go-imap/pull/652
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for dec.SP() {
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}
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cap, err := internal.ExpectCap(dec)
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if err != nil {
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return caps, fmt.Errorf("in capability-data: %w", err)
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}
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caps[cap] = struct{}{}
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}
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return caps, nil
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}
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