hydrar/mistserver
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Global cleanups and standardization of code style.

Browse source
This commit is contained in:
Thulinma 2012-12-11 11:03:33 +01:00
parent 51a9b4162c
commit 38ef8704f8
33 changed files with 4322 additions and 2824 deletions
Download patch file Download diff file Expand all files Collapse all files

62
lib/base64.cpp
View file

@ -3,62 +3,84 @@
/// Needed for base64_encode function
const std::string Base64::chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
/// Helper for base64_decode function
inline bool Base64::is_base64(unsigned char c) {
/// Helper for base64_decode function
inline bool Base64::is_base64(unsigned char c){
return (isalnum(c) || (c == '+') || (c == '/'));
}
/// Used to base64 encode data. Input is the plaintext as std::string, output is the encoded data as std::string.
/// \param input Plaintext data to encode.
/// \returns Base64 encoded data.
std::string Base64::encode(std::string const input) {
std::string Base64::encode(std::string const input){
std::string ret;
unsigned int in_len = input.size();
char quad[4], triple[3];
unsigned int i, x, n = 3;
for (x = 0; x < in_len; x = x + 3){
if ((in_len - x) / 3 == 0){n = (in_len - x) % 3;}
for (i=0; i < 3; i++){triple[i] = '0';}
for (i=0; i < n; i++){triple[i] = input[x + i];}
if ((in_len - x) / 3 == 0){
n = (in_len - x) % 3;
}
for (i = 0; i < 3; i++){
triple[i] = '0';
}
for (i = 0; i < n; i++){
triple[i] = input[x + i];
}
quad[0] = chars[(triple[0] & 0xFC) >> 2]; // FC = 11111100
quad[1] = chars[((triple[0] & 0x03) << 4) | ((triple[1] & 0xF0) >> 4)]; // 03 = 11
quad[2] = chars[((triple[1] & 0x0F) << 2) | ((triple[2] & 0xC0) >> 6)]; // 0F = 1111, C0=11110
quad[3] = chars[triple[2] & 0x3F]; // 3F = 111111
if (n < 3){quad[3] = '=';}
if (n < 2){quad[2] = '=';}
for(i=0; i < 4; i++){ret += quad[i];}
if (n < 3){
quad[3] = '=';
}
if (n < 2){
quad[2] = '=';
}
for (i = 0; i < 4; i++){
ret += quad[i];
}
}
return ret;
}//base64_encode
} //base64_encode
/// Used to base64 decode data. Input is the encoded data as std::string, output is the plaintext data as std::string.
/// \param encoded_string Base64 encoded data to decode.
/// \returns Plaintext decoded data.
std::string Base64::decode(std::string const& encoded_string) {
std::string Base64::decode(std::string const& encoded_string){
int in_len = encoded_string.size();
int i = 0;
int j = 0;
int in_ = 0;
unsigned char char_array_4[4], char_array_3[3];
std::string ret;
while (in_len-- && ( encoded_string[in_] != '=') && is_base64(encoded_string[in_])) {
char_array_4[i++] = encoded_string[in_]; in_++;
if (i ==4) {
for (i = 0; i <4; i++){char_array_4[i] = chars.find(char_array_4[i]);}
while (in_len-- && (encoded_string[in_] != '=') && is_base64(encoded_string[in_])){
char_array_4[i++ ] = encoded_string[in_];
in_++;
if (i == 4){
for (i = 0; i < 4; i++){
char_array_4[i] = chars.find(char_array_4[i]);
}
char_array_3[0] = (char_array_4[0] << 2) + ((char_array_4[1] & 0x30) >> 4);
char_array_3[1] = ((char_array_4[1] & 0xf) << 4) + ((char_array_4[2] & 0x3c) >> 2);
char_array_3[2] = ((char_array_4[2] & 0x3) << 6) + char_array_4[3];
for (i = 0; (i < 3); i++){ret += char_array_3[i];}
for (i = 0; (i < 3); i++){
ret += char_array_3[i];
}
i = 0;
}
}
if (i) {
for (j = i; j <4; j++){char_array_4[j] = 0;}
for (j = 0; j <4; j++){char_array_4[j] = chars.find(char_array_4[j]);}
if (i){
for (j = i; j < 4; j++){
char_array_4[j] = 0;
}
for (j = 0; j < 4; j++){
char_array_4[j] = chars.find(char_array_4[j]);
}
char_array_3[0] = (char_array_4[0] << 2) + ((char_array_4[1] & 0x30) >> 4);
char_array_3[1] = ((char_array_4[1] & 0xf) << 4) + ((char_array_4[2] & 0x3c) >> 2);
char_array_3[2] = ((char_array_4[2] & 0x3) << 6) + char_array_4[3];
for (j = 0; (j < i - 1); j++) ret += char_array_3[j];
for (j = 0; (j < i - 1); j++)
ret += char_array_3[j];
}
return ret;
}