add basic sign-ping logic

LICENSE

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright © 2024 NAME HERE <EMAIL ADDRESS>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

addr.go

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+package mention
+
+type Addr string

go.mod

@@ -1,3 +1,16 @@
 module git.bivouac.wiki/go/mention
 
 go 1.22.5
+
+require (
+	git.bivouac.wiki/go/bloat v0.0.0-20250407094740-2ee034250e69
+	git.bivouac.wiki/go/phish v0.0.0-20250407100600-4994fb139ea6
+	golang.org/x/net v0.21.0
+)
+
+require (
+	aead.dev/minisign v0.3.0 // indirect
+	filippo.io/age v1.2.1 // indirect
+	golang.org/x/crypto v0.24.0 // indirect
+	golang.org/x/sys v0.21.0 // indirect
+)

go.sum

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+aead.dev/minisign v0.3.0 h1:8Xafzy5PEVZqYDNP60yJHARlW1eOQtsKNp/Ph2c0vRA=
+aead.dev/minisign v0.3.0/go.mod h1:NLvG3Uoq3skkRMDuc3YHpWUTMTrSExqm+Ij73W13F6Y=
+filippo.io/age v1.2.1 h1:X0TZjehAZylOIj4DubWYU1vWQxv9bJpo+Uu2/LGhi1o=
+filippo.io/age v1.2.1/go.mod h1:JL9ew2lTN+Pyft4RiNGguFfOpewKwSHm5ayKD/A4004=
+git.bivouac.wiki/go/bloat v0.0.0-20250407094740-2ee034250e69 h1:QRR3RiX6e42Tk0zD5o6OZ/Smic8ULOjO21xRtzcneKs=
+git.bivouac.wiki/go/bloat v0.0.0-20250407094740-2ee034250e69/go.mod h1:eENxh70rdl9L8YurQY1wpaW7zRh9KUgSYN7bSbVAssE=
+git.bivouac.wiki/go/phish v0.0.0-20250407100600-4994fb139ea6 h1:dwvi5dyEg56naUrT82dWcxNXrD4KI/Eyp+WBA9LD+t8=
+git.bivouac.wiki/go/phish v0.0.0-20250407100600-4994fb139ea6/go.mod h1:frn1dDLluD6IBycpRpRWBXthNCvi/x4Bzck9AZkeu2Y=
+golang.org/x/crypto v0.24.0 h1:mnl8DM0o513X8fdIkmyFE/5hTYxbwYOjDS/+rK6qpRI=
+golang.org/x/crypto v0.24.0/go.mod h1:Z1PMYSOR5nyMcyAVAIQSKCDwalqy85Aqn1x3Ws4L5DM=
+golang.org/x/net v0.21.0 h1:AQyQV4dYCvJ7vGmJyKki9+PBdyvhkSd8EIx/qb0AYv4=
+golang.org/x/net v0.21.0/go.mod h1:bIjVDfnllIU7BJ2DNgfnXvpSvtn8VRwhlsaeUTyUS44=
+golang.org/x/sys v0.21.0 h1:rF+pYz3DAGSQAxAu1CbC7catZg4ebC4UIeIhKxBZvws=
+golang.org/x/sys v0.21.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=

ping.go

@@ -1 +1,44 @@
 package mention
+
+import (
+	"encoding/base64"
+	"fmt"
+	"net/http"
+
+	"git.bivouac.wiki/go/phish"
+	"golang.org/x/net/proxy"
+)
+
+func SignedPing(greeting string, a Addr, other phish.Identity, self phish.Identity) error {
+	type HelloMention struct {
+		Greeting string
+		Addr     Addr
+	}
+	// pick one of the carriers as the addr
+	hi := HelloMention{
+		Greeting: greeting,
+		Addr:     Addr(self.Carrier[0]),
+	}
+	hello, err := self.SignMsgFor(hi, other)
+	if err != nil {
+		return err
+	}
+	dialer, err := proxy.SOCKS5("tcp", "127.0.0.1:9050", nil, nil)
+	if err != nil {
+		fmt.Printf(err)
+		return err
+	}
+	conn, err := dialer.Dial("tcp", a)
+	if err != nil {
+		fmt.Printf(err)
+		return err
+	}
+	defer conn.Close()
+	transport := &http.Transport{
+		Dial: conn.Dial,
+	}
+	httpClient := http.Client{Transport: transport}
+	greeturi := base64.URLEncoding.EncodeToString(hello)
+	httpClient.Get("/bloatphish.xml?hello=" + greeturi)
+	return nil
+}