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Removed Unused util Package
This commit is contained in:
Brad Rydzewski
parent
36b01512c0
commit
f0a8e91a68
3 changed files with 19 additions and 159 deletions
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@ -1,116 +0,0 @@
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package util
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import (
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"crypto/md5"
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"crypto/rand"
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"crypto/rsa"
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"crypto/x509"
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"encoding/pem"
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"fmt"
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"io"
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"strings"
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"unicode"
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"code.google.com/p/go.crypto/ssh"
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"code.google.com/p/go.text/unicode/norm"
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)
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// standard characters allowed in token string.
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var chars = []byte("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789")
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// default token length
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var length = 40
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var (
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lat = []*unicode.RangeTable{unicode.Letter, unicode.Number}
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nop = []*unicode.RangeTable{unicode.Mark, unicode.Sk, unicode.Lm}
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)
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// helper function to create a Gravatar Hash
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// for the given Email address.
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func CreateGravatar(email string) string {
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email = strings.ToLower(strings.TrimSpace(email))
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hash := md5.New()
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hash.Write([]byte(email))
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return fmt.Sprintf("%x", hash.Sum(nil))
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}
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// helper function to create a Slug for the
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// given string of text.
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func CreateSlug(s string) string {
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buf := make([]rune, 0, len(s))
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dash := false
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for _, r := range norm.NFKD.String(s) {
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switch {
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// unicode 'letters' like mandarin characters pass through
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case unicode.IsOneOf(lat, r):
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buf = append(buf, unicode.ToLower(r))
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dash = true
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case unicode.IsOneOf(nop, r):
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// skip
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case dash:
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buf = append(buf, '-')
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dash = false
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}
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}
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if i := len(buf) - 1; i >= 0 && buf[i] == '-' {
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buf = buf[:i]
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}
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return string(buf)
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}
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// GenerateToken generates random strings good for use in URIs to
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// identify unique objects.
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func GenerateToken() string {
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b := make([]byte, length)
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r := make([]byte, length+(length/4)) // storage for random bytes.
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clen := byte(len(chars))
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maxrb := byte(256 - (256 % len(chars)))
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i := 0
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for {
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io.ReadFull(rand.Reader, r)
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for _, c := range r {
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if c >= maxrb {
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// Skip this number to avoid modulo bias.
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continue
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}
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b[i] = chars[c%clen]
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i++
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if i == length {
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return string(b)
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}
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}
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}
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}
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// -----------------------------------------------------------------------------
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// SSH Functions
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const (
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RSA_BITS = 2048 // Default number of bits in an RSA key
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RSA_BITS_MIN = 768 // Minimum number of bits in an RSA key
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)
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// helper function to generate an RSA Private Key.
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func GeneratePrivateKey() (*rsa.PrivateKey, error) {
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return rsa.GenerateKey(rand.Reader, RSA_BITS)
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}
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// helper function that marshalls an RSA Public Key to an SSH
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// .authorized_keys format
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func MarshalPublicKey(pubkey *rsa.PublicKey) string {
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pk, err := ssh.NewPublicKey(pubkey)
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if err != nil {
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return ""
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}
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return string(ssh.MarshalAuthorizedKey(pk))
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}
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// helper function that marshalls an RSA Private Key to
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// a PEM encoded file.
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func MarshalPrivateKey(privkey *rsa.PrivateKey) string {
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privateKeyMarshaled := x509.MarshalPKCS1PrivateKey(privkey)
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privateKeyPEM := pem.EncodeToMemory(&pem.Block{Type: "RSA PRIVATE KEY", Headers: nil, Bytes: privateKeyMarshaled})
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return string(privateKeyPEM)
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}
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@ -1,43 +0,0 @@
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package util
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import (
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"testing"
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)
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func Test_CreateGravatar(t *testing.T) {
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var got, want = CreateGravatar("dr_cooper@caltech.edu"), "2b77ba83e2216ddcd11fe8c24b70c2a3"
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if got != want {
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t.Errorf("Got gravatar hash %s, want %s", got, want)
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}
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}
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func TestCreateSlug(t *testing.T) {
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var slugs = map[string]string{
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"sheldoncooper": "sheldoncooper",
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"SheldonCooper": "sheldoncooper",
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"Sheldon-Cooper": "sheldon-cooper",
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"Sheldon_Cooper": "sheldon-cooper",
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"Sheldon Cooper": "sheldon-cooper",
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"Sheldon Cooper1": "sheldon-cooper1",
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"Sheldon Cooper*": "sheldon-cooper",
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"Sheldon[Cooper]": "sheldon-cooper",
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"Sheldon[Cooper]]": "sheldon-cooper",
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// let's try almost every single special character
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"Sheldon!@#$%^&*()+=,<.>/?_Cooper": "sheldon-cooper",
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"Sheldon!@#$%^&*()+=,<->/?Cooper": "sheldon-cooper",
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}
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for in, out := range slugs {
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var got, want = CreateSlug(in), out
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if got != want {
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t.Errorf("Got slug %s, want %s", got, want)
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}
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}
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}
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func TestGenerateToken(t *testing.T) {
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token := GenerateToken()
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if len(token) != length {
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t.Errorf("Want token length %d, got %d", length, len(token))
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}
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}
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19
shared/model/util_test.go
Normal file
19
shared/model/util_test.go
Normal file
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@ -0,0 +1,19 @@
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package model
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import (
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"testing"
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)
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func Test_createGravatar(t *testing.T) {
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var got, want = createGravatar("dr_cooper@caltech.edu"), "2b77ba83e2216ddcd11fe8c24b70c2a3"
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if got != want {
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t.Errorf("Got gravatar hash %s, want %s", got, want)
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}
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}
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func Test_generateToken(t *testing.T) {
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token := generateToken()
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if len(token) != length {
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t.Errorf("Want token length %d, got %d", length, len(token))
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}
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}
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