]> ToastFreeware Gitweb - gregoa/bti.git/blobdiff - bti.c
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[gregoa/bti.git] / bti.c
diff --git a/bti.c b/bti.c
index b5de9e599c7ece0be1976640cf327a1fc4ce8ecf..bd311cd97d6bfdffb8017d7d32f97b38526e1af9 100644 (file)
--- a/bti.c
+++ b/bti.c
@@ -28,6 +28,9 @@
 #include <sys/stat.h>
 #include <curl/curl.h>
 #include <readline/readline.h>
+#include <libxml/xmlmemory.h>
+#include <libxml/parser.h>
+#include <libxml/tree.h>
 #include "bti_version.h"
 
 
 #define dbg(format, arg...)                                            \
        do {                                                            \
                if (debug)                                              \
-                       printf("%s: " format , __func__ , ## arg );     \
+                       printf("%s: " format , __func__ , ## arg);      \
        } while (0)
 
 
-static int debug = 0;
+static int debug;
 
 enum host {
        HOST_TWITTER = 0,
        HOST_IDENTICA = 1,
 };
 
+enum action {
+       ACTION_UPDATE = 0,
+       ACTION_FRIENDS = 1,
+       ACTION_USER = 2,
+       ACTION_REPLIES = 4,
+       ACTION_PUBLIC = 8
+};
+
 struct session {
        char *password;
        char *account;
@@ -54,12 +65,16 @@ struct session {
        char *proxy;
        char *time;
        char *homedir;
+       char *logfile;
+       char *user;
        int bash;
        enum host host;
+       enum action action;
 };
 
 struct bti_curl_buffer {
        char *data;
+       enum action action;
        int length;
 };
 
@@ -74,7 +89,10 @@ static void display_help(void)
        fprintf(stdout, "  --password password\n");
        fprintf(stdout, "  --proxy PROXY:PORT\n");
        fprintf(stdout, "  --host HOST\n");
+       fprintf(stdout, "  --logfile logfile\n");
        fprintf(stdout, "  --bash\n");
+       fprintf(stdout, "  --action action\n");
+       fprintf(stdout, "  --user screenname\n");
        fprintf(stdout, "  --debug\n");
        fprintf(stdout, "  --version\n");
        fprintf(stdout, "  --help\n");
@@ -85,19 +103,6 @@ static void display_version(void)
        fprintf(stdout, "bti - version %s\n", BTI_VERSION);
 }
 
-static char *get_string_from_stdin(void)
-{
-       static char *string = (char *)NULL;
-       if (string) {
-               free(string);
-               string = (char *)NULL;
-       }
-
-       string = readline("tweet: ");
-
-       return string;
-}
-
 static struct session *session_alloc(void)
 {
        struct session *session;
@@ -118,10 +123,11 @@ static void session_free(struct session *session)
        free(session->proxy);
        free(session->time);
        free(session->homedir);
+       free(session->user);
        free(session);
 }
 
-static struct bti_curl_buffer *bti_curl_buffer_alloc(void)
+static struct bti_curl_buffer *bti_curl_buffer_alloc(enum action action)
 {
        struct bti_curl_buffer *buffer;
 
@@ -137,6 +143,7 @@ static struct bti_curl_buffer *bti_curl_buffer_alloc(void)
                return NULL;
        }
        buffer->length = 0;
+       buffer->action = action;
        return buffer;
 }
 
@@ -148,8 +155,17 @@ static void bti_curl_buffer_free(struct bti_curl_buffer *buffer)
        free(buffer);
 }
 
-static const char *twitter_url = "https://twitter.com/statuses/update.xml";
-static const char *identica_url = "http://identi.ca/api/statuses/update.xml";
+static const char *twitter_user_url    = "http://twitter.com/statuses/user_timeline/";
+static const char *twitter_update_url  = "https://twitter.com/statuses/update.xml";
+static const char *twitter_public_url  = "http://twitter.com/statuses/public_timeline.xml";
+static const char *twitter_friends_url = "https://twitter.com/statuses/friends_timeline.xml";
+static const char *twitter_replies_url = "http://twitter.com/statuses/replies.xml";
+
+static const char *identica_user_url    = "http://identi.ca/api/statuses/user_timeline/";
+static const char *identica_update_url  = "http://identi.ca/api/statuses/update.xml";
+static const char *identica_public_url  = "http://identi.ca/api/statuses/public_timeline.xml";
+static const char *identica_friends_url = "http://identi.ca/api/statuses/friends_timeline.xml";
+static const char *identica_replies_url = "http://identi.ca/api/statuses/replies.xml";
 
 static CURL *curl_init(void)
 {
@@ -166,6 +182,75 @@ static CURL *curl_init(void)
        return curl;
 }
 
+void parse_statuses(xmlDocPtr doc, xmlNodePtr current)
+{
+       xmlChar *text = NULL;
+       xmlChar *user = NULL;
+       xmlNodePtr userinfo;
+
+       current = current->xmlChildrenNode;
+       while (current != NULL) {
+               if (current->type == XML_ELEMENT_NODE) {
+                       if (!xmlStrcmp(current->name, (const xmlChar *)"text"))
+                               text = xmlNodeListGetString(doc, current->xmlChildrenNode, 1);
+                       if (!xmlStrcmp(current->name, (const xmlChar *)"user")) {
+                               userinfo = current->xmlChildrenNode;
+                               while (userinfo != NULL) {
+                                       if ((!xmlStrcmp(userinfo->name, (const xmlChar *)"screen_name"))) {
+                                               if (user)
+                                                       xmlFree(user);
+                                               user = xmlNodeListGetString(doc, userinfo->xmlChildrenNode, 1);
+                                       }
+                                       userinfo = userinfo->next;
+                               }
+                       }
+                       if (user && text) {
+                               printf("[%s] %s\n", user, text);
+                               xmlFree(user);
+                               xmlFree(text);
+                               user = NULL;
+                               text = NULL;
+                       }
+               }
+               current = current->next;
+       }
+
+       return;
+}
+
+static void parse_timeline(char *document)
+{
+       xmlDocPtr doc;
+       xmlNodePtr current;
+       doc = xmlReadMemory(document, strlen(document), "timeline.xml", NULL, XML_PARSE_NOERROR);
+
+       if (doc == NULL)
+               return;
+
+       current = xmlDocGetRootElement(doc);
+       if (current == NULL) {
+               fprintf(stderr, "empty document\n");
+               xmlFreeDoc(doc);
+               return;
+       }
+
+       if (xmlStrcmp(current->name, (const xmlChar *) "statuses")) {
+               fprintf(stderr, "unexpected document type\n");
+               xmlFreeDoc(doc);
+               return;
+       }
+
+       current = current->xmlChildrenNode;
+       while (current != NULL) {
+               if ((!xmlStrcmp(current->name, (const xmlChar *)"status")))
+                       parse_statuses(doc, current);
+               current = current->next;
+       }
+       xmlFreeDoc(doc);
+
+       return;
+}
+
 size_t curl_callback(void *buffer, size_t size, size_t nmemb, void *userp)
 {
        struct bti_curl_buffer *curl_buf = userp;
@@ -185,16 +270,20 @@ size_t curl_callback(void *buffer, size_t size, size_t nmemb, void *userp)
        curl_buf->data = temp;
        memcpy(&curl_buf->data[curl_buf->length], (char *)buffer, buffer_size);
        curl_buf->length += buffer_size;
+       if (curl_buf->action)
+               parse_timeline(curl_buf->data);
 
        dbg("%s\n", curl_buf->data);
 
        return buffer_size;
 }
 
-static int send_tweet(struct session *session)
+static int send_request(struct session *session)
 {
        char user_password[500];
        char data[500];
+       /* is there usernames longer than 22 chars? */
+       char user_url[70];
        struct bti_curl_buffer *curl_buf;
        CURL *curl = NULL;
        CURLcode res;
@@ -205,37 +294,94 @@ static int send_tweet(struct session *session)
        if (!session)
                return -EINVAL;
 
-       curl_buf = bti_curl_buffer_alloc();
+       curl_buf = bti_curl_buffer_alloc(session->action);
        if (!curl_buf)
                return -ENOMEM;
 
-       snprintf(user_password, sizeof(user_password), "%s:%s",
-                session->account, session->password);
-       snprintf(data, sizeof(data), "status=\"%s\"", session->tweet);
-
        curl = curl_init();
        if (!curl)
                return -EINVAL;
 
-       curl_formadd(&formpost, &lastptr,
-                    CURLFORM_COPYNAME, "status",
-                    CURLFORM_COPYCONTENTS, session->tweet,
-                    CURLFORM_END);
-
-       curl_easy_setopt(curl, CURLOPT_HTTPPOST, formpost);
-
-       switch (session->host) {
-       case HOST_TWITTER:
-               curl_easy_setopt(curl, CURLOPT_URL, twitter_url);
-               /*
-                * twitter doesn't like the "Expect: 100-continue" header
-                * anymore, so turn it off.
-                */
+       switch (session->action) {
+       case ACTION_UPDATE:
+               snprintf(user_password, sizeof(user_password), "%s:%s",
+                        session->account, session->password);
+               snprintf(data, sizeof(data), "status=\"%s\"", session->tweet);
+               curl_formadd(&formpost, &lastptr,
+                            CURLFORM_COPYNAME, "status",
+                            CURLFORM_COPYCONTENTS, session->tweet,
+                            CURLFORM_END);
+
+               curl_formadd(&formpost, &lastptr,
+                            CURLFORM_COPYNAME, "source",
+                            CURLFORM_COPYCONTENTS, "bti",
+                            CURLFORM_END);
+
+               curl_easy_setopt(curl, CURLOPT_HTTPPOST, formpost);
                slist = curl_slist_append(slist, "Expect:");
                curl_easy_setopt(curl, CURLOPT_HTTPHEADER, slist);
+               switch (session->host) {
+               case HOST_TWITTER:
+                       curl_easy_setopt(curl, CURLOPT_URL, twitter_update_url);
+                       break;
+               case HOST_IDENTICA:
+                       curl_easy_setopt(curl, CURLOPT_URL, identica_update_url);
+                       break;
+               }
+               curl_easy_setopt(curl, CURLOPT_USERPWD, user_password);
+
                break;
-       case HOST_IDENTICA:
-               curl_easy_setopt(curl, CURLOPT_URL, identica_url);
+       case ACTION_FRIENDS:
+               snprintf(user_password, sizeof(user_password), "%s:%s",
+                        session->account, session->password);
+               switch (session->host) {
+               case HOST_TWITTER:
+                       curl_easy_setopt(curl, CURLOPT_URL, twitter_friends_url);
+                       break;
+               case HOST_IDENTICA:
+                       curl_easy_setopt(curl, CURLOPT_URL, identica_friends_url);
+                       break;
+               }
+               curl_easy_setopt(curl, CURLOPT_USERPWD, user_password);
+
+               break;
+       case ACTION_USER:
+               switch (session->host) {
+               case HOST_TWITTER:
+                       sprintf(user_url, "%s%s.xml", twitter_user_url, session->user);
+                       curl_easy_setopt(curl, CURLOPT_URL, user_url);
+                       break;
+               case HOST_IDENTICA:
+                       sprintf(user_url, "%s%s.xml", identica_user_url, session->user);
+                       curl_easy_setopt(curl, CURLOPT_URL, user_url);
+                       break;
+               }
+
+               break;
+       case ACTION_REPLIES:
+               snprintf(user_password, sizeof(user_password), "%s:%s",
+                        session->account, session->password);
+               switch (session->host) {
+               case HOST_TWITTER:
+                       curl_easy_setopt(curl, CURLOPT_URL, twitter_replies_url);
+                       break;
+               case HOST_IDENTICA:
+                       curl_easy_setopt(curl, CURLOPT_URL, identica_replies_url);
+                       break;
+               }
+               curl_easy_setopt(curl, CURLOPT_USERPWD, user_password);
+
+               break;
+       case ACTION_PUBLIC:
+               switch (session->host) {
+               case HOST_TWITTER:
+                       curl_easy_setopt(curl, CURLOPT_URL, twitter_public_url);
+                       break;
+               case HOST_IDENTICA:
+                       curl_easy_setopt(curl, CURLOPT_URL, identica_public_url);
+                       break;
+               }
+
                break;
        }
 
@@ -244,7 +390,6 @@ static int send_tweet(struct session *session)
 
        if (debug)
                curl_easy_setopt(curl, CURLOPT_VERBOSE, 1);
-       curl_easy_setopt(curl, CURLOPT_USERPWD, user_password);
 
        dbg("user_password = %s\n", user_password);
        dbg("data = %s\n", data);
@@ -254,12 +399,13 @@ static int send_tweet(struct session *session)
        curl_easy_setopt(curl, CURLOPT_WRITEDATA, curl_buf);
        res = curl_easy_perform(curl);
        if (res && !session->bash) {
-               fprintf(stderr, "error(%d) trying to send tweet\n", res);
+               fprintf(stderr, "error(%d) trying to perform operation\n", res);
                return -EINVAL;
        }
 
        curl_easy_cleanup(curl);
-       curl_formfree(formpost);
+       if (session->action == ACTION_UPDATE)
+               curl_formfree(formpost);
        bti_curl_buffer_free(curl_buf);
        return 0;
 }
@@ -273,6 +419,9 @@ static void parse_configfile(struct session *session)
        char *password = NULL;
        char *host = NULL;
        char *proxy = NULL;
+       char *logfile = NULL;
+       char *action = NULL;
+       char *user = NULL;
        char *file;
 
        /* config file is ~/.bti  */
@@ -324,6 +473,21 @@ static void parse_configfile(struct session *session)
                        c += 6;
                        if (c[0] != '\0')
                                proxy = strdup(c);
+               } else if (!strncasecmp(c, "logfile", 7) &&
+                          (c[7] == '=')) {
+                       c += 8;
+                       if (c[0] != '\0')
+                               logfile = strdup(c);
+               } else if (!strncasecmp(c, "action", 6) &&
+                          (c[6] == '=')) {
+                       c += 7;
+                       if (c[0] != '\0')
+                               action = strdup(c);
+               } else if (!strncasecmp(c, "user", 4) &&
+                               (c[4] == '=')) {
+                       c += 5;
+                       if (c[0] != '\0')
+                               user = strdup(c);
                }
        } while (!feof(config_file));
 
@@ -343,6 +507,24 @@ static void parse_configfile(struct session *session)
                        free(session->proxy);
                session->proxy = proxy;
        }
+       if (logfile)
+               session->logfile = logfile;
+       if (action) {
+               if (strcasecmp(action, "update") == 0)
+                       session->action = ACTION_UPDATE;
+               if (strcasecmp(action, "friends") == 0)
+                       session->action = ACTION_FRIENDS;
+               if (strcasecmp(action, "user") == 0)
+                       session->action = ACTION_USER;
+               if (strcasecmp(action, "replies") == 0)
+                       session->action = ACTION_REPLIES;
+               if (strcasecmp(action, "public") == 0)
+                       session->action = ACTION_PUBLIC;
+               free(action);
+       }
+       if (user) {
+               session->user = user;
+       }
 
        /* Free buffer and close file.  */
        free(line);
@@ -355,10 +537,14 @@ static void log_session(struct session *session, int retval)
        char *filename;
        char *host;
 
-       /* logfile is ~/.bti.log  */
-       filename = alloca(strlen(session->homedir) + 10);
+       /* Only log something if we have a log file set */
+       if (!session->logfile)
+               return;
+
+       filename = alloca(strlen(session->homedir) +
+                         strlen(session->logfile) + 3);
 
-       sprintf(filename, "%s/.bti.log", session->homedir);
+       sprintf(filename, "%s/%s", session->homedir, session->logfile);
 
        log_file = fopen(filename, "a+");
        if (log_file == NULL)
@@ -375,10 +561,20 @@ static void log_session(struct session *session, int retval)
                break;
        }
 
-       if (retval)
-               fprintf(log_file, "%s: host=%s tweet failed\n", session->time, host);
-       else
-               fprintf(log_file, "%s: host=%s tweet=%s\n", session->time, host, session->tweet);
+       if (session->action == ACTION_UPDATE) {
+               if (retval)
+                       fprintf(log_file, "%s: host=%s tweet failed\n",
+                               session->time, host);
+               else
+                       fprintf(log_file, "%s: host=%s tweet=%s\n",
+                               session->time, host, session->tweet);
+       } else if (session->action == ACTION_FRIENDS) {
+               fprintf(log_file, "%s: host=%s retrieving friends timeline\n",
+                       session->time, host);
+       } else if (session->action == ACTION_PUBLIC) {
+               fprintf(log_file, "%s: host=%s retrieving public timeline\n",
+                       session->time, host);
+       }
 
        fclose(log_file);
 }
@@ -391,6 +587,9 @@ int main(int argc, char *argv[], char *envp[])
                { "password", 1, NULL, 'p' },
                { "host", 1, NULL, 'H' },
                { "proxy", 1, NULL, 'P' },
+               { "action", 1, NULL, 'A' },
+               { "user", 1, NULL, 'u' },
+               { "logfile", 1, NULL, 'L' },
                { "help", 0, NULL, 'h' },
                { "bash", 0, NULL, 'b' },
                { "version", 0, NULL, 'v' },
@@ -403,12 +602,10 @@ int main(int argc, char *argv[], char *envp[])
        int option;
        char *http_proxy;
        time_t t;
-#if 0
-       char *pwd = getenv("PWD");
-       char *dir;
-#endif
 
+       debug = 0;
        rl_bind_key('\t', rl_insert);
+
        session = session_alloc();
        if (!session) {
                fprintf(stderr, "no more memory...\n");
@@ -437,7 +634,7 @@ int main(int argc, char *argv[], char *envp[])
        parse_configfile(session);
 
        while (1) {
-               option = getopt_long_only(argc, argv, "dqe:p:P:H:a:h",
+               option = getopt_long_only(argc, argv, "dqe:p:P:H:a:A:u:h",
                                          options, NULL);
                if (option == -1)
                        break;
@@ -463,6 +660,31 @@ int main(int argc, char *argv[], char *envp[])
                        session->proxy = strdup(optarg);
                        dbg("proxy = %s\n", session->proxy);
                        break;
+               case 'A':
+                       if (strcasecmp(optarg, "update") == 0)
+                               session->action = ACTION_UPDATE;
+                       if (strcasecmp(optarg, "friends") == 0)
+                               session->action = ACTION_FRIENDS;
+                       if (strcasecmp(optarg, "user") == 0)
+                               session->action = ACTION_USER;
+                       if (strcasecmp(optarg, "replies") == 0)
+                               session->action = ACTION_REPLIES;
+                       if (strcasecmp(optarg, "public") == 0)
+                               session->action = ACTION_PUBLIC;
+                       dbg("action = %d\n", session->action);
+                       break;
+               case 'u':
+                       if (session->user)
+                               free(session->user);
+                       session->user = strdup(optarg);
+                       dbg("user = %s\n", session->user);
+                       break;
+               case 'L':
+                       if (session->logfile)
+                               free(session->logfile);
+                       session->logfile = strdup(optarg);
+                       dbg("logfile = %s\n", session->logfile);
+                       break;
                case 'H':
                        if (strcasecmp(optarg, "twitter") == 0)
                                session->host = HOST_TWITTER;
@@ -471,7 +693,7 @@ int main(int argc, char *argv[], char *envp[])
                        dbg("host = %d\n", session->host);
                        break;
                case 'b':
-                       session->bash= 1;
+                       session->bash = 1;
                        break;
                case 'h':
                        display_help();
@@ -487,62 +709,56 @@ int main(int argc, char *argv[], char *envp[])
 
        if (!session->account) {
                fprintf(stdout, "Enter twitter account: ");
-               session->account = get_string_from_stdin();
+               session->account = readline(NULL);
        }
 
        if (!session->password) {
                fprintf(stdout, "Enter twitter password: ");
-               session->password = get_string_from_stdin();
+               session->password = readline(NULL);
        }
-#if 0
-       /* get the current working directory basename */
-       if (strcmp(pwd, home) == 0)
-               dir = "~";
-       else {
-               dir = strrchr(pwd, '/');
-               if (dir)
-                       dir++;
+
+       if (session->action == ACTION_UPDATE) {
+               if (session->bash)
+                       tweet = readline(NULL);
                else
-                       dir = "?";
-       }
-#endif
-       tweet = get_string_from_stdin();
-       if (!tweet || strlen(tweet) == 0) {
-               dbg("no tweet?\n");
-               return -1;
-       }
+                       tweet = readline("tweet: ");
+               if (!tweet || strlen(tweet) == 0) {
+                       dbg("no tweet?\n");
+                       return -1;
+               }
 
-//     session->tweet = zalloc(strlen(tweet) + strlen(dir) + 10);
-       session->tweet = zalloc(strlen(tweet) + 10);
+               session->tweet = zalloc(strlen(tweet) + 10);
+               if (session->bash)
+                       sprintf(session->tweet, "$ %s", tweet);
+               else
+                       sprintf(session->tweet, "%s", tweet);
+
+               free(tweet);
+               dbg("tweet = %s\n", session->tweet);
+       }
 
-       /* if --bash is specified, add the "PWD $ " to
-        * the start of the tweet. */
-       if (session->bash)
-//             sprintf(session->tweet, "%s $ %s", dir, tweet);
-               sprintf(session->tweet, "$ %s", tweet);
-       else
-               sprintf(session->tweet, "%s", tweet);
-       free(tweet);
+       if (!session->user)
+               session->user = session->account;
 
        dbg("account = %s\n", session->account);
        dbg("password = %s\n", session->password);
-       dbg("tweet = %s\n", session->tweet);
        dbg("host = %d\n", session->host);
+       dbg("action = %d\n", session->action);
 
        /* fork ourself so that the main shell can get on
         * with it's life as we try to connect and handle everything
         */
        if (session->bash) {
                child = fork();
-                       if (child) {
+               if (child) {
                        dbg("child is %d\n", child);
                        exit(0);
                }
        }
 
-       retval = send_tweet(session);
+       retval = send_request(session);
        if (retval && !session->bash)
-               fprintf(stderr, "tweet failed\n");
+               fprintf(stderr, "operation failed\n");
 
        log_session(session, retval);
 exit: