93 lines
2.0 KiB
Go
93 lines
2.0 KiB
Go
package plugins
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import (
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"encoding/hex"
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"fmt"
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"net/http"
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"net/url"
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"regexp"
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"strings"
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"github.com/matrix-org/gomatrix"
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"golang.org/x/crypto/openpgp"
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)
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// PGP is our plugin type
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type PGP struct {
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}
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// SetStore is the setup function for a plugin
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func (p *PGP) SetStore(s PluginStore) {
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}
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// Descr describes this plugin
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func (p *PGP) Descr() string {
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return "Queries keys.openpgp.org"
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}
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// Re is what our pgp request matches
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func (p *PGP) Re() string {
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return `(?i)^pgp: (.+@.+\..+|[a-f0-9]+)$`
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}
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// Match checks for "pgp: " messages
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func (p *PGP) Match(_, msg string) bool {
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re := regexp.MustCompile(p.Re())
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return re.MatchString(msg)
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}
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func (p *PGP) fix(msg string) string {
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re := regexp.MustCompile(p.Re())
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return strings.ToUpper(re.ReplaceAllString(msg, "$1"))
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}
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// RespondText to looking up of PGP info
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func (p *PGP) RespondText(c *gomatrix.Client, ev *gomatrix.Event, _, post string) error {
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search := p.fix(post)
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searchURL := "https://keys.openpgp.org//vks/v1/by-fingerprint/%s"
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if strings.ContainsAny(search, "@") {
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searchURL = "https://keys.openpgp.org//vks/v1/by-email/%s"
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}
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escSearch, err := url.Parse(search)
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if err != nil {
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return err
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}
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u := fmt.Sprintf(searchURL, escSearch)
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resp, err := http.Get(u)
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if err != nil {
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_ = SendText(c, ev.RoomID, fmt.Sprintf("Can't search keys.openpgp.org: %s", err))
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return err
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}
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defer resp.Body.Close()
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kr, err := openpgp.ReadArmoredKeyRing(resp.Body)
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if err != nil {
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_ = SendText(c, ev.RoomID, fmt.Sprintf("Can't parse key ring: %s", err))
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return err
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}
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var ids []string
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var fps []string
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for _, entity := range kr {
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for _, i := range entity.Identities {
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ids = append(ids, fmt.Sprintf("- %q", i.Name))
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}
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fps = append(fps, fmt.Sprintf("**Fingerprint**: %s",
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hex.EncodeToString(entity.PrimaryKey.Fingerprint[:])))
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}
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return SendMD(c, ev.RoomID, fmt.Sprintf("%s\n\n%s",
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strings.Join(ids, "\n"),
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strings.Join(fps, "\n")))
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}
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// Name PGP!
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func (p *PGP) Name() string {
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return "PGP"
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}
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