diff options
Diffstat (limited to 'skypeweb/skypeweb_util.c')
| -rw-r--r-- | skypeweb/skypeweb_util.c | 562 |
1 files changed, 281 insertions, 281 deletions
diff --git a/skypeweb/skypeweb_util.c b/skypeweb/skypeweb_util.c index ef306c2..a9107f3 100644 --- a/skypeweb/skypeweb_util.c +++ b/skypeweb/skypeweb_util.c @@ -1,282 +1,282 @@ -/*
- * SkypeWeb Plugin for libpurple/Pidgin
- * Copyright (c) 2014-2020 Eion Robb
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include "skypeweb_util.h"
-
-gchar *
-skypeweb_string_get_chunk(const gchar *haystack, gsize len, const gchar *start, const gchar *end)
-{
- const gchar *chunk_start, *chunk_end;
- g_return_val_if_fail(haystack && start, NULL);
-
- if (len > 0) {
- chunk_start = g_strstr_len(haystack, len, start);
- } else {
- chunk_start = strstr(haystack, start);
- }
- g_return_val_if_fail(chunk_start, NULL);
- chunk_start += strlen(start);
-
- if (end != NULL) {
- if (len > 0) {
- chunk_end = g_strstr_len(chunk_start, len - (chunk_start - haystack), end);
- } else {
- chunk_end = strstr(chunk_start, end);
- }
- g_return_val_if_fail(chunk_end, NULL);
-
- return g_strndup(chunk_start, chunk_end - chunk_start);
- } else {
- return g_strdup(chunk_start);
- }
-}
-
-gchar *
-skypeweb_jsonobj_to_string(JsonObject *jsonobj)
-{
- JsonGenerator *generator;
- JsonNode *root;
- gchar *string;
-
- root = json_node_new(JSON_NODE_OBJECT);
- json_node_set_object(root, jsonobj);
-
- generator = json_generator_new();
- json_generator_set_root(generator, root);
-
- string = json_generator_to_data(generator, NULL);
-
- g_object_unref(generator);
- json_node_free(root);
-
- return string;
-}
-
-/** turn https://bay-client-s.gateway.messenger.live.com/v1/users/ME/contacts/8:eionrobb
- or https://bay-client-s.gateway.messenger.live.com/v1/users/8:eionrobb/presenceDocs/messagingService
- into eionrobb
-*/
-const gchar *
-skypeweb_contact_url_to_name(const gchar *url)
-{
- static gchar *tempname = NULL;
- const gchar *start, *end;
-
- start = g_strrstr(url, "/8:");
- if (!start) start = g_strrstr(url, "/1:");
- if (!start) start = g_strrstr(url, "/4:");
- if (start) start = start + 2;
- if (!start) start = g_strrstr(url, "/2:");
- if (!start) start = g_strrstr(url, "/28:");
- if (start) start = start + 1;
- if (!start) return NULL;
-
- if ((end = strchr(start, '/'))) {
- g_free(tempname);
- tempname = g_strndup(start, end - start);
- return tempname;
- }
-
- g_free(tempname);
- tempname = g_strdup(start);
- return tempname;
-}
-
-/** turn https://bay-client-s.gateway.messenger.live.com/v1/users/ME/conversations/19:blah@thread.skype
- into 19:blah@thread.skype
-*/
-const gchar *
-skypeweb_thread_url_to_name(const gchar *url)
-{
- static gchar *tempname = NULL;
- const gchar *start, *end;
-
- start = g_strrstr(url, "/19:");
- if (!start) return NULL;
- start = start + 1;
-
- if ((end = strchr(start, '/'))) {
- g_free(tempname);
- tempname = g_strndup(start, end - start);
- return tempname;
- }
-
- return start;
-}
-
-/** Blatantly stolen from MSN prpl, with super-secret SHA256 change! */
-#define BUFSIZE 256
-char *
-skypeweb_hmac_sha256(char *input)
-{
- GChecksum *hash;
- const guchar productKey[] = SKYPEWEB_LOCKANDKEY_SECRET;
- const guchar productID[] = SKYPEWEB_LOCKANDKEY_APPID;
- const char hexChars[] = "0123456789abcdef";
- char buf[BUFSIZE];
- unsigned char sha256Hash[32];
- gsize sha256HashLen = sizeof(sha256Hash);
- unsigned char *newHash;
- unsigned int *sha256Parts;
- unsigned int *chlStringParts;
- unsigned int newHashParts[5];
- gchar *output;
-
- long long nHigh = 0, nLow = 0;
-
- int len;
- int i;
-
- hash = g_checksum_new(G_CHECKSUM_SHA256);
- g_checksum_update(hash, (guchar *)input, strlen(input));
- g_checksum_update(hash, productKey, sizeof(productKey) - 1);
- g_checksum_get_digest(hash, (guchar *)sha256Hash, &sha256HashLen);
- g_checksum_free(hash);
-
- /* Split it into four integers */
- sha256Parts = (unsigned int *)sha256Hash;
- for (i = 0; i < 4; i++) {
- /* adjust endianess */
- sha256Parts[i] = GUINT_TO_LE(sha256Parts[i]);
-
- /* & each integer with 0x7FFFFFFF */
- /* and save one unmodified array for later */
- newHashParts[i] = sha256Parts[i];
- sha256Parts[i] &= 0x7FFFFFFF;
- }
-
- /* make a new string and pad with '0' to length that's a multiple of 8 */
- snprintf(buf, BUFSIZE - 5, "%s%s", input, productID);
- len = strlen(buf);
- if ((len % 8) != 0) {
- int fix = 8 - (len % 8);
- memset(&buf[len], '0', fix);
- buf[len + fix] = '\0';
- len += fix;
- }
-
- /* split into integers */
- chlStringParts = (unsigned int *)buf;
-
- /* this is magic */
- for (i = 0; i < (len / 4); i += 2) {
- long long temp;
-
- chlStringParts[i] = GUINT_TO_LE(chlStringParts[i]);
- chlStringParts[i + 1] = GUINT_TO_LE(chlStringParts[i + 1]);
-
- temp = (0x0E79A9C1 * (long long)chlStringParts[i]) % 0x7FFFFFFF;
- temp = (sha256Parts[0] * (temp + nLow) + sha256Parts[1]) % 0x7FFFFFFF;
- nHigh += temp;
-
- temp = ((long long)chlStringParts[i + 1] + temp) % 0x7FFFFFFF;
- nLow = (sha256Parts[2] * temp + sha256Parts[3]) % 0x7FFFFFFF;
- nHigh += nLow;
- }
- nLow = (nLow + sha256Parts[1]) % 0x7FFFFFFF;
- nHigh = (nHigh + sha256Parts[3]) % 0x7FFFFFFF;
-
- newHashParts[0] ^= nLow;
- newHashParts[1] ^= nHigh;
- newHashParts[2] ^= nLow;
- newHashParts[3] ^= nHigh;
-
- /* adjust endianness */
- for(i = 0; i < 4; i++)
- newHashParts[i] = GUINT_TO_LE(newHashParts[i]);
-
- /* make a string of the parts */
- newHash = (unsigned char *)newHashParts;
-
- /* convert to hexadecimal */
- output = g_new0(gchar, 33);
- for (i = 0; i < 16; i++)
- {
- output[i * 2] = hexChars[(newHash[i] >> 4) & 0xF];
- output[(i * 2) + 1] = hexChars[newHash[i] & 0xF];
- }
- output[32] = '\0';
-
- return output;
-}
-
-gint64
-skypeweb_get_js_time()
-{
-#if GLIB_CHECK_VERSION(2, 28, 0)
- return (g_get_real_time() / 1000);
-#else
- GTimeVal val;
-
- g_get_current_time (&val);
-
- return (((gint64) val.tv_sec) * 1000) + (val.tv_usec / 1000);
-#endif
-}
-
-/* copied from oscar.c to be libpurple 2.1 compatible */
-PurpleAccount *
-find_acct(const char *prpl, const char *acct_id)
-{
- PurpleAccount *acct = NULL;
-
- /* If we have a specific acct, use it */
- if (acct_id && *acct_id) {
- acct = purple_accounts_find(acct_id, prpl);
- if (acct && !purple_account_is_connected(acct))
- acct = NULL;
- } else { /* Otherwise find an active account for the protocol */
- GList *l = purple_accounts_get_all();
- while (l) {
- if (!strcmp(prpl, purple_account_get_protocol_id(l->data))
- && purple_account_is_connected(l->data)) {
- acct = l->data;
- break;
- }
- l = l->next;
- }
- }
-
- return acct;
-}
-
-const gchar *
-skypeweb_user_url_prefix(const gchar *who)
-{
- if(SKYPEWEB_BUDDY_IS_S4B(who) || SKYPEWEB_BUDDY_IS_BOT(who)) {
- return ""; // already has a prefix
- } else if (SKYPEWEB_BUDDY_IS_MSN(who)) {
- return "1:";
- } else if(SKYPEWEB_BUDDY_IS_PHONE(who)) {
- return "4:";
- } else {
- return "8:";
- }
-}
-
-const gchar *
-skypeweb_strip_user_prefix(const gchar *who)
-{
- if (who[1] == ':') {
- if (who[0] != '2') {
- return who + 2;
- }
- }
-
- return who;
+/* + * SkypeWeb Plugin for libpurple/Pidgin + * Copyright (c) 2014-2020 Eion Robb + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#include "skypeweb_util.h" + +gchar * +skypeweb_string_get_chunk(const gchar *haystack, gsize len, const gchar *start, const gchar *end) +{ + const gchar *chunk_start, *chunk_end; + g_return_val_if_fail(haystack && start, NULL); + + if (len > 0) { + chunk_start = g_strstr_len(haystack, len, start); + } else { + chunk_start = strstr(haystack, start); + } + g_return_val_if_fail(chunk_start, NULL); + chunk_start += strlen(start); + + if (end != NULL) { + if (len > 0) { + chunk_end = g_strstr_len(chunk_start, len - (chunk_start - haystack), end); + } else { + chunk_end = strstr(chunk_start, end); + } + g_return_val_if_fail(chunk_end, NULL); + + return g_strndup(chunk_start, chunk_end - chunk_start); + } else { + return g_strdup(chunk_start); + } +} + +gchar * +skypeweb_jsonobj_to_string(JsonObject *jsonobj) +{ + JsonGenerator *generator; + JsonNode *root; + gchar *string; + + root = json_node_new(JSON_NODE_OBJECT); + json_node_set_object(root, jsonobj); + + generator = json_generator_new(); + json_generator_set_root(generator, root); + + string = json_generator_to_data(generator, NULL); + + g_object_unref(generator); + json_node_free(root); + + return string; +} + +/** turn https://bay-client-s.gateway.messenger.live.com/v1/users/ME/contacts/8:eionrobb + or https://bay-client-s.gateway.messenger.live.com/v1/users/8:eionrobb/presenceDocs/messagingService + into eionrobb +*/ +const gchar * +skypeweb_contact_url_to_name(const gchar *url) +{ + static gchar *tempname = NULL; + const gchar *start, *end; + + start = g_strrstr(url, "/8:"); + if (!start) start = g_strrstr(url, "/1:"); + if (!start) start = g_strrstr(url, "/4:"); + if (start) start = start + 2; + if (!start) start = g_strrstr(url, "/2:"); + if (!start) start = g_strrstr(url, "/28:"); + if (start) start = start + 1; + if (!start) return NULL; + + if ((end = strchr(start, '/'))) { + g_free(tempname); + tempname = g_strndup(start, end - start); + return tempname; + } + + g_free(tempname); + tempname = g_strdup(start); + return tempname; +} + +/** turn https://bay-client-s.gateway.messenger.live.com/v1/users/ME/conversations/19:blah@thread.skype + into 19:blah@thread.skype +*/ +const gchar * +skypeweb_thread_url_to_name(const gchar *url) +{ + static gchar *tempname = NULL; + const gchar *start, *end; + + start = g_strrstr(url, "/19:"); + if (!start) return NULL; + start = start + 1; + + if ((end = strchr(start, '/'))) { + g_free(tempname); + tempname = g_strndup(start, end - start); + return tempname; + } + + return start; +} + +/** Blatantly stolen from MSN prpl, with super-secret SHA256 change! */ +#define BUFSIZE 256 +char * +skypeweb_hmac_sha256(char *input) +{ + GChecksum *hash; + const guchar productKey[] = SKYPEWEB_LOCKANDKEY_SECRET; + const guchar productID[] = SKYPEWEB_LOCKANDKEY_APPID; + const char hexChars[] = "0123456789abcdef"; + char buf[BUFSIZE]; + unsigned char sha256Hash[32]; + gsize sha256HashLen = sizeof(sha256Hash); + unsigned char *newHash; + unsigned int *sha256Parts; + unsigned int *chlStringParts; + unsigned int newHashParts[5]; + gchar *output; + + long long nHigh = 0, nLow = 0; + + int len; + int i; + + hash = g_checksum_new(G_CHECKSUM_SHA256); + g_checksum_update(hash, (guchar *)input, strlen(input)); + g_checksum_update(hash, productKey, sizeof(productKey) - 1); + g_checksum_get_digest(hash, (guchar *)sha256Hash, &sha256HashLen); + g_checksum_free(hash); + + /* Split it into four integers */ + sha256Parts = (unsigned int *)sha256Hash; + for (i = 0; i < 4; i++) { + /* adjust endianess */ + sha256Parts[i] = GUINT_TO_LE(sha256Parts[i]); + + /* & each integer with 0x7FFFFFFF */ + /* and save one unmodified array for later */ + newHashParts[i] = sha256Parts[i]; + sha256Parts[i] &= 0x7FFFFFFF; + } + + /* make a new string and pad with '0' to length that's a multiple of 8 */ + snprintf(buf, BUFSIZE - 5, "%s%s", input, productID); + len = strlen(buf); + if ((len % 8) != 0) { + int fix = 8 - (len % 8); + memset(&buf[len], '0', fix); + buf[len + fix] = '\0'; + len += fix; + } + + /* split into integers */ + chlStringParts = (unsigned int *)buf; + + /* this is magic */ + for (i = 0; i < (len / 4); i += 2) { + long long temp; + + chlStringParts[i] = GUINT_TO_LE(chlStringParts[i]); + chlStringParts[i + 1] = GUINT_TO_LE(chlStringParts[i + 1]); + + temp = (0x0E79A9C1 * (long long)chlStringParts[i]) % 0x7FFFFFFF; + temp = (sha256Parts[0] * (temp + nLow) + sha256Parts[1]) % 0x7FFFFFFF; + nHigh += temp; + + temp = ((long long)chlStringParts[i + 1] + temp) % 0x7FFFFFFF; + nLow = (sha256Parts[2] * temp + sha256Parts[3]) % 0x7FFFFFFF; + nHigh += nLow; + } + nLow = (nLow + sha256Parts[1]) % 0x7FFFFFFF; + nHigh = (nHigh + sha256Parts[3]) % 0x7FFFFFFF; + + newHashParts[0] ^= nLow; + newHashParts[1] ^= nHigh; + newHashParts[2] ^= nLow; + newHashParts[3] ^= nHigh; + + /* adjust endianness */ + for(i = 0; i < 4; i++) + newHashParts[i] = GUINT_TO_LE(newHashParts[i]); + + /* make a string of the parts */ + newHash = (unsigned char *)newHashParts; + + /* convert to hexadecimal */ + output = g_new0(gchar, 33); + for (i = 0; i < 16; i++) + { + output[i * 2] = hexChars[(newHash[i] >> 4) & 0xF]; + output[(i * 2) + 1] = hexChars[newHash[i] & 0xF]; + } + output[32] = '\0'; + + return output; +} + +gint64 +skypeweb_get_js_time() +{ +#if GLIB_CHECK_VERSION(2, 28, 0) + return (g_get_real_time() / 1000); +#else + GTimeVal val; + + g_get_current_time (&val); + + return (((gint64) val.tv_sec) * 1000) + (val.tv_usec / 1000); +#endif +} + +/* copied from oscar.c to be libpurple 2.1 compatible */ +PurpleAccount * +find_acct(const char *prpl, const char *acct_id) +{ + PurpleAccount *acct = NULL; + + /* If we have a specific acct, use it */ + if (acct_id && *acct_id) { + acct = purple_accounts_find(acct_id, prpl); + if (acct && !purple_account_is_connected(acct)) + acct = NULL; + } else { /* Otherwise find an active account for the protocol */ + GList *l = purple_accounts_get_all(); + while (l) { + if (!strcmp(prpl, purple_account_get_protocol_id(l->data)) + && purple_account_is_connected(l->data)) { + acct = l->data; + break; + } + l = l->next; + } + } + + return acct; +} + +const gchar * +skypeweb_user_url_prefix(const gchar *who) +{ + if(SKYPEWEB_BUDDY_IS_S4B(who) || SKYPEWEB_BUDDY_IS_BOT(who)) { + return ""; // already has a prefix + } else if (SKYPEWEB_BUDDY_IS_MSN(who)) { + return "1:"; + } else if(SKYPEWEB_BUDDY_IS_PHONE(who)) { + return "4:"; + } else { + return "8:"; + } +} + +const gchar * +skypeweb_strip_user_prefix(const gchar *who) +{ + if (who[1] == ':') { + if (who[0] != '2') { + return who + 2; + } + } + + return who; }
\ No newline at end of file |