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builtins_bcrypt.go
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builtins_bcrypt.go
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//go:build b_bcrypt
// +build b_bcrypt
package evaldo
import (
"crypto/rand"
"encoding/hex"
"github.com/refaktor/rye/env"
"golang.org/x/crypto/bcrypt"
)
func __bcrypt_hash(ps *env.ProgramState, arg0 env.Object, arg1 env.Object, arg2 env.Object, arg3 env.Object, arg4 env.Object) env.Object {
switch str := arg0.(type) {
case env.String:
bytes, err := bcrypt.GenerateFromPassword([]byte(str.Value), bcrypt.DefaultCost)
if err != nil {
ps.FailureFlag = true
return MakeBuiltinError(ps, "Problem in hashing.", "__bcrypt_hash")
}
return env.String{string(bytes)}
default:
ps.FailureFlag = true
return MakeArgError(ps, 1, []env.Type{env.StringType}, "__bcrypt_hash")
}
}
func __bcrypt_check(ps *env.ProgramState, arg0 env.Object, arg1 env.Object, arg2 env.Object, arg3 env.Object, arg4 env.Object) env.Object {
switch password := arg1.(type) {
case env.String:
switch hash := arg0.(type) {
case env.String:
err := bcrypt.CompareHashAndPassword([]byte(hash.Value), []byte(password.Value))
if err == nil {
return env.Integer{1}
} else {
return env.Integer{0}
}
default:
ps.FailureFlag = true
return MakeArgError(ps, 1, []env.Type{env.StringType}, "__bcrypt_check")
}
default:
ps.FailureFlag = true
return MakeArgError(ps, 2, []env.Type{env.StringType}, "__bcrypt_check")
}
}
func __generate_token(ps *env.ProgramState, arg0 env.Object, arg1 env.Object, arg2 env.Object, arg3 env.Object, arg4 env.Object) env.Object {
switch n := arg0.(type) {
case env.Integer:
b := make([]byte, n.Value)
if _, err := rand.Read(b); err != nil {
return MakeBuiltinError(ps, "Problem reading random stream.", "__generate_token")
}
return env.String{hex.EncodeToString(b)}
default:
ps.FailureFlag = true
return MakeArgError(ps, 1, []env.Type{env.IntegerType}, "__generate_token")
}
}
var Builtins_bcrypt = map[string]*env.Builtin{
"bcrypt-hash": {
Argsn: 1,
Doc: "Generate hashing.",
Fn: func(ps *env.ProgramState, arg0 env.Object, arg1 env.Object, arg2 env.Object, arg3 env.Object, arg4 env.Object) env.Object {
return __bcrypt_hash(ps, arg0, arg1, arg2, arg3, arg4)
},
},
"bcrypt-check": {
Argsn: 2,
Doc: "Compare hash and password.",
Fn: func(ps *env.ProgramState, arg0 env.Object, arg1 env.Object, arg2 env.Object, arg3 env.Object, arg4 env.Object) env.Object {
return __bcrypt_check(ps, arg0, arg1, arg2, arg3, arg4)
},
},
"generate-token": {
Argsn: 1,
Doc: "Generate token for hashing.",
Fn: func(ps *env.ProgramState, arg0 env.Object, arg1 env.Object, arg2 env.Object, arg3 env.Object, arg4 env.Object) env.Object {
return __generate_token(ps, arg0, arg1, arg2, arg3, arg4)
},
},
}