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GopherJS Implementation (WIP) #3

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18500e9
add wip gopherjs compilation
Sep 3, 2020
8b9e0cb
chore: add gopherjs implementation
Sep 3, 2020
758787d
examples/wasm: add wip wasm example
Sep 3, 2020
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11 changes: 11 additions & 0 deletions README.md
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Expand Up @@ -16,6 +16,17 @@ After the VDF is solved the proof is then stored inside the ticket, and sent bac

To see a usage example implementing vcaptcha in a HTTP server see the `examples` directory.

# javascript

there is experimental support for building javascript bindings to vcaptcha, however it requires Go 1.12.x, if you don't have this you can run the following instructions:
```
go get golang.org/dl/go1.12.16
go1.12.16 download
export GOPHERJS_GOROOT="$(go1.12.16 env GOROOT)" # Also add this line to your .profile or equivalent.
```

Build with `gopherjs build -m`

# future improvements

* each captcha can be used by at most one session
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17 changes: 17 additions & 0 deletions examples/wasm/index.html
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@@ -0,0 +1,17 @@


<html>
<head>
<meta charset="utf-8"/>
<script src="wasm_exec.js"></script>
<script>
const go = new Go();
WebAssembly.instantiateStreaming(fetch("main.wasm"), go.importObject).then((result) => {
go.run(result.instance);
});
</script>
</head>
<body></body>
</html>


15 changes: 15 additions & 0 deletions examples/wasm/main.go
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package main

import (
"log"

"github.com/bonedaddy/vcaptcha/ticket"
)

func main() {
tick, err := ticket.NewTicket(1)
if err != nil {
log.Fatal(err)
}
tick.Solve()
}
7 changes: 6 additions & 1 deletion go.mod
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Expand Up @@ -3,9 +3,14 @@ module github.com/bonedaddy/vcaptcha
go 1.14

require (
github.com/davecgh/go-spew v1.1.1 // indirect
github.com/dgrijalva/jwt-go v3.2.0+incompatible
github.com/go-chi/chi v4.1.2+incompatible // indirect
github.com/go-chi/chi v4.1.2+incompatible
github.com/go-chi/jwtauth v4.0.4+incompatible
github.com/gopherjs/gopherjs v0.0.0-20200217142428-fce0ec30dd00
github.com/kr/pretty v0.1.0 // indirect
github.com/segmentio/ksuid v1.0.3
github.com/stretchr/testify v1.6.1
golang.org/x/net v0.0.0-20200822124328-c89045814202 // indirect
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 // indirect
)
21 changes: 21 additions & 0 deletions go.sum
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@@ -1,19 +1,40 @@
github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/dgrijalva/jwt-go v3.2.0+incompatible h1:7qlOGliEKZXTDg6OTjfoBKDXWrumCAMpl/TFQ4/5kLM=
github.com/dgrijalva/jwt-go v3.2.0+incompatible/go.mod h1:E3ru+11k8xSBh+hMPgOLZmtrrCbhqsmaPHjLKYnJCaQ=
github.com/go-chi/chi v4.1.2+incompatible h1:fGFk2Gmi/YKXk0OmGfBh0WgmN3XB8lVnEyNz34tQRec=
github.com/go-chi/chi v4.1.2+incompatible/go.mod h1:eB3wogJHnLi3x/kFX2A+IbTBlXxmMeXJVKy9tTv1XzQ=
github.com/go-chi/jwtauth v4.0.4+incompatible h1:LGIxg6YfvSBzxU2BljXbrzVc1fMlgqSKBQgKOGAVtPY=
github.com/go-chi/jwtauth v4.0.4+incompatible/go.mod h1:Q5EIArY/QnD6BdS+IyDw7B2m6iNbnPxtfd6/BcmtWbs=
github.com/gopherjs/gopherjs v0.0.0-20200217142428-fce0ec30dd00 h1:l5lAOZEym3oK3SQ2HBHWsJUfbNBiTXJDeW2QDxw9AQ0=
github.com/gopherjs/gopherjs v0.0.0-20200217142428-fce0ec30dd00/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY=
github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/segmentio/ksuid v1.0.3 h1:FoResxvleQwYiPAVKe1tMUlEirodZqlqglIuFsdDntY=
github.com/segmentio/ksuid v1.0.3/go.mod h1:/XUiZBD3kVx5SmUOl55voK5yeAbBNNIed+2O73XgrPE=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/testify v1.6.1 h1:hDPOHmpOpP40lSULcqw7IrRb/u7w6RpDC9399XyoNd0=
github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
golang.org/x/net v0.0.0-20200822124328-c89045814202 h1:VvcQYSHwXgi7W+TpUR6A9g6Up98WAHf3f/ulnJ62IyA=
golang.org/x/net v0.0.0-20200822124328-c89045814202/go.mod h1:/O7V0waA8r7cgGh81Ro3o1hOxt32SMVPicZroKQ2sZA=
golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
2 changes: 2 additions & 0 deletions ticket/js/doc.go
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// Package main provides javascript bindigns for vcaptcha using gopherjs
package main
7 changes: 7 additions & 0 deletions ticket/js/index.js
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require("./js.js");

var main = global.ticket;

var vdftick = main.New(1);

vdftick.Solve();
62 changes: 62 additions & 0 deletions ticket/js/js.js
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1 change: 1 addition & 0 deletions ticket/js/js.js.map
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22 changes: 22 additions & 0 deletions ticket/js/main.go
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package main

import (
"os"

"github.com/bonedaddy/vcaptcha/ticket"
"github.com/gopherjs/gopherjs/js"
)

func main() {
js.Global.Set("ticket", map[string]interface{}{
"New": New,
})
}

func New(diff int) *js.Object {
tick, err := ticket.NewTicket(diff)
if err != nil {
os.Exit(1)
}
return js.MakeWrapper(tick)
}