add snap plugin

README.md

@@ -11,7 +11,8 @@
 |HighFive|`o/|\o`|Everyone loves highfives.|
 |Hi|`(?i)^hi|hi$`|Friendly bots say hi.|
 |LoveYou|`(?i)i love you`|Spreading love where ever we can by responding when someone shows us love.|
-|OpenBSDMan|`(?i)^man: ([1-9]?p?)\s?(\w+)$`|Produces a link to man.openbsd.org.|
+|OpenBSDMan|`(?i)^man: ([1-9]?p?)\s?(.+)$`|Produces a link to man.openbsd.org.|
+|Snap|`(?i)^snap:$`|checks the current build date of OpenBSD snapshots.|
 |Source|`(?i)where is your (source|code)`|Tell people where they can find more information about myself.|
 |Thanks|`(?i)^thank you|thank you$|^thanks|thanks$|^ty|ty$`|Bots should be respectful. Respond to thanks.|
 |Version|`(?i)version$`|Show a bit of information about what we are.|

plugins/plugins.go

@@ -136,6 +136,7 @@ var Plugs = Plugins{
 	&Hi{},
 	&LoveYou{},
 	&OpenBSDMan{},
+	&Snap{},
 	&Source{},
 	&Thanks{},
 	&Version{},

plugins/snap.go

@@ -0,0 +1,58 @@
+package plugins
+
+import (
+	"fmt"
+	"io/ioutil"
+	"log"
+	"net/http"
+	"regexp"
+
+	"github.com/matrix-org/gomatrix"
+)
+
+// Snap responds to OpenBSD snapshot checks
+type Snap struct {
+}
+
+// Descr describes this plugin
+func (p *Snap) Descr() string {
+	return "checks the current build date of OpenBSD snapshots."
+}
+
+// Re returns the federation check matching string
+func (p *Snap) Re() string {
+	return `(?i)^snap:$`
+}
+
+// Match determines if we should call the response for Snap
+func (p *Snap) Match(user, msg string) bool {
+	re := regexp.MustCompile(p.Re())
+	return re.MatchString(msg)
+}
+
+// SetStore we don't need a store here.
+func (p *Snap) SetStore(s PluginStore) {}
+
+// RespondText to looking up of federation check requests
+func (p *Snap) RespondText(c *gomatrix.Client, ev *gomatrix.Event, user, post string) {
+	log.Printf("%s: responding to '%s'", p.Name(), ev.Sender)
+	resp, err := http.Get("https://ftp.usa.openbsd.org/pub/OpenBSD/snapshots/amd64/BUILDINFO")
+	if err != nil {
+		SendText(c, ev.RoomID, fmt.Sprintf("%s", err))
+		return
+	}
+	defer resp.Body.Close()
+
+	body, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		SendText(c, ev.RoomID, fmt.Sprintf("%s", err))
+		return
+	}
+
+	SendText(c, ev.RoomID, string(body))
+}
+
+// Name Snap!
+func (p *Snap) Name() string {
+	return "Snap"
+}