1 files changed, 0 insertions, 388 deletions
diff --git a/vendor/github.com/Rhymen/go-whatsapp/binary/decoder.go b/vendor/github.com/Rhymen/go-whatsapp/binary/decoder.go
deleted file mode 100644
index 95da606c..00000000
--- a/vendor/github.com/Rhymen/go-whatsapp/binary/decoder.go
+++ /dev/null
@@ -1,388 +0,0 @@
-package binary
-
-import (
-	"fmt"
-	"github.com/Rhymen/go-whatsapp/binary/token"
-	"io"
-	"strconv"
-)
-
-type binaryDecoder struct {
-	data  []byte
-	index int
-}
-
-func NewDecoder(data []byte) *binaryDecoder {
-	return &binaryDecoder{data, 0}
-}
-
-func (r *binaryDecoder) checkEOS(length int) error {
-	if r.index+length > len(r.data) {
-		return io.EOF
-	}
-
-	return nil
-}
-
-func (r *binaryDecoder) readByte() (byte, error) {
-	if err := r.checkEOS(1); err != nil {
-		return 0, err
-	}
-
-	b := r.data[r.index]
-	r.index++
-
-	return b, nil
-}
-
-func (r *binaryDecoder) readIntN(n int, littleEndian bool) (int, error) {
-	if err := r.checkEOS(n); err != nil {
-		return 0, err
-	}
-
-	var ret int
-
-	for i := 0; i < n; i++ {
-		var curShift int
-		if littleEndian {
-			curShift = i
-		} else {
-			curShift = n - i - 1
-		}
-		ret |= int(r.data[r.index+i]) << uint(curShift*8)
-	}
-
-	r.index += n
-	return ret, nil
-}
-
-func (r *binaryDecoder) readInt8(littleEndian bool) (int, error) {
-	return r.readIntN(1, littleEndian)
-}
-
-func (r *binaryDecoder) readInt16(littleEndian bool) (int, error) {
-	return r.readIntN(2, littleEndian)
-}
-
-func (r *binaryDecoder) readInt20() (int, error) {
-	if err := r.checkEOS(3); err != nil {
-		return 0, err
-	}
-
-	ret := ((int(r.data[r.index]) & 15) << 16) + (int(r.data[r.index+1]) << 8) + int(r.data[r.index+2])
-	r.index += 3
-	return ret, nil
-}
-
-func (r *binaryDecoder) readInt32(littleEndian bool) (int, error) {
-	return r.readIntN(4, littleEndian)
-}
-
-func (r *binaryDecoder) readInt64(littleEndian bool) (int, error) {
-	return r.readIntN(8, littleEndian)
-}
-
-func (r *binaryDecoder) readPacked8(tag int) (string, error) {
-	startByte, err := r.readByte()
-	if err != nil {
-		return "", err
-	}
-
-	ret := ""
-
-	for i := 0; i < int(startByte&127); i++ {
-		currByte, err := r.readByte()
-		if err != nil {
-			return "", err
-		}
-
-		lower, err := unpackByte(tag, currByte&0xF0>>4)
-		if err != nil {
-			return "", err
-		}
-
-		upper, err := unpackByte(tag, currByte&0x0F)
-		if err != nil {
-			return "", err
-		}
-
-		ret += lower + upper
-	}
-
-	if startByte>>7 != 0 {
-		ret = ret[:len(ret)-1]
-	}
-	return ret, nil
-}
-
-func unpackByte(tag int, value byte) (string, error) {
-	switch tag {
-	case token.NIBBLE_8:
-		return unpackNibble(value)
-	case token.HEX_8:
-		return unpackHex(value)
-	default:
-		return "", fmt.Errorf("unpackByte with unknown tag %d", tag)
-	}
-}
-
-func unpackNibble(value byte) (string, error) {
-	switch {
-	case value < 0 || value > 15:
-		return "", fmt.Errorf("unpackNibble with value %d", value)
-	case value == 10:
-		return "-", nil
-	case value == 11:
-		return ".", nil
-	case value == 15:
-		return "\x00", nil
-	default:
-		return strconv.Itoa(int(value)), nil
-	}
-}
-
-func unpackHex(value byte) (string, error) {
-	switch {
-	case value < 0 || value > 15:
-		return "", fmt.Errorf("unpackHex with value %d", value)
-	case value < 10:
-		return strconv.Itoa(int(value)), nil
-	default:
-		return string('A' + value - 10), nil
-	}
-}
-
-func (r *binaryDecoder) readListSize(tag int) (int, error) {
-	switch tag {
-	case token.LIST_EMPTY:
-		return 0, nil
-	case token.LIST_8:
-		return r.readInt8(false)
-	case token.LIST_16:
-		return r.readInt16(false)
-	default:
-		return 0, fmt.Errorf("readListSize with unknown tag %d at position %d", tag, r.index)
-	}
-}
-
-func (r *binaryDecoder) readString(tag int) (string, error) {
-	switch {
-	case tag >= 3 && tag <= len(token.SingleByteTokens):
-		tok, err := token.GetSingleToken(tag)
-		if err != nil {
-			return "", err
-		}
-
-		if tok == "s.whatsapp.net" {
-			tok = "c.us"
-		}
-
-		return tok, nil
-	case tag == token.DICTIONARY_0 || tag == token.DICTIONARY_1 || tag == token.DICTIONARY_2 || tag == token.DICTIONARY_3:
-		i, err := r.readInt8(false)
-		if err != nil {
-			return "", err
-		}
-
-		return token.GetDoubleToken(tag-token.DICTIONARY_0, i)
-	case tag == token.LIST_EMPTY:
-		return "", nil
-	case tag == token.BINARY_8:
-		length, err := r.readInt8(false)
-		if err != nil {
-			return "", err
-		}
-
-		return r.readStringFromChars(length)
-	case tag == token.BINARY_20:
-		length, err := r.readInt20()
-		if err != nil {
-			return "", err
-		}
-
-		return r.readStringFromChars(length)
-	case tag == token.BINARY_32:
-		length, err := r.readInt32(false)
-		if err != nil {
-			return "", err
-		}
-
-		return r.readStringFromChars(length)
-	case tag == token.JID_PAIR:
-		b, err := r.readByte()
-		if err != nil {
-			return "", err
-		}
-		i, err := r.readString(int(b))
-		if err != nil {
-			return "", err
-		}
-
-		b, err = r.readByte()
-		if err != nil {
-			return "", err
-		}
-		j, err := r.readString(int(b))
-		if err != nil {
-			return "", err
-		}
-
-		if i == "" || j == "" {
-			return "", fmt.Errorf("invalid jid pair: %s - %s", i, j)
-		}
-
-		return i + "@" + j, nil
-	case tag == token.NIBBLE_8 || tag == token.HEX_8:
-		return r.readPacked8(tag)
-	default:
-		return "", fmt.Errorf("invalid string with tag %d", tag)
-	}
-}
-
-func (r *binaryDecoder) readStringFromChars(length int) (string, error) {
-	if err := r.checkEOS(length); err != nil {
-		return "", err
-	}
-
-	ret := r.data[r.index : r.index+length]
-	r.index += length
-
-	return string(ret), nil
-}
-
-func (r *binaryDecoder) readAttributes(n int) (map[string]string, error) {
-	if n == 0 {
-		return nil, nil
-	}
-
-	ret := make(map[string]string)
-	for i := 0; i < n; i++ {
-		idx, err := r.readInt8(false)
-		if err != nil {
-			return nil, err
-		}
-
-		index, err := r.readString(idx)
-		if err != nil {
-			return nil, err
-		}
-
-		idx, err = r.readInt8(false)
-		if err != nil {
-			return nil, err
-		}
-
-		ret[index], err = r.readString(idx)
-		if err != nil {
-			return nil, err
-		}
-	}
-
-	return ret, nil
-}
-
-func (r *binaryDecoder) readList(tag int) ([]Node, error) {
-	size, err := r.readListSize(tag)
-	if err != nil {
-		return nil, err
-	}
-
-	ret := make([]Node, size)
-	for i := 0; i < size; i++ {
-		n, err := r.ReadNode()
-
-		if err != nil {
-			return nil, err
-		}
-
-		ret[i] = *n
-	}
-
-	return ret, nil
-}
-
-func (r *binaryDecoder) ReadNode() (*Node, error) {
-	ret := &Node{}
-
-	size, err := r.readInt8(false)
-	if err != nil {
-		return nil, err
-	}
-	listSize, err := r.readListSize(size)
-	if err != nil {
-		return nil, err
-	}
-
-	descrTag, err := r.readInt8(false)
-	if descrTag == token.STREAM_END {
-		return nil, fmt.Errorf("unexpected stream end")
-	}
-	ret.Description, err = r.readString(descrTag)
-	if err != nil {
-		return nil, err
-	}
-	if listSize == 0 || ret.Description == "" {
-		return nil, fmt.Errorf("invalid Node")
-	}
-
-	ret.Attributes, err = r.readAttributes((listSize - 1) >> 1)
-	if err != nil {
-		return nil, err
-	}
-
-	if listSize%2 == 1 {
-		return ret, nil
-	}
-
-	tag, err := r.readInt8(false)
-	if err != nil {
-		return nil, err
-	}
-
-	switch tag {
-	case token.LIST_EMPTY, token.LIST_8, token.LIST_16:
-		ret.Content, err = r.readList(tag)
-	case token.BINARY_8:
-		size, err = r.readInt8(false)
-		if err != nil {
-			return nil, err
-		}
-
-		ret.Content, err = r.readBytes(size)
-	case token.BINARY_20:
-		size, err = r.readInt20()
-		if err != nil {
-			return nil, err
-		}
-
-		ret.Content, err = r.readBytes(size)
-	case token.BINARY_32:
-		size, err = r.readInt32(false)
-		if err != nil {
-			return nil, err
-		}
-
-		ret.Content, err = r.readBytes(size)
-	default:
-		ret.Content, err = r.readString(tag)
-	}
-
-	if err != nil {
-		return nil, err
-	}
-	return ret, nil
-}
-
-func (r *binaryDecoder) readBytes(n int) ([]byte, error) {
-	ret := make([]byte, n)
-	var err error
-
-	for i := range ret {
-		ret[i], err = r.readByte()
-		if err != nil {
-			return nil, err
-		}
-	}
-
-	return ret, nil
-}