#include <stdlib.h>
#include <string.h>
#include <microhttpd.h>
+#include <yajl/yajl_gen.h>
#include "database.h"
#include "tags.h"
+#include "auth.h"
+#include "config.h"
#define URL_INFO_AUTHOR 0x1
#define URL_INFO_RECORD 0x2
char password[33];
};
+struct put_state {
+ struct MHD_PostProcessor *pp;
+ char *data;
+ int data_size;
+};
+
+struct get_state {
+ struct blerg *b;
+ yajl_gen g;
+ unsigned int yoff;
+ uint64_t from;
+ uint64_t to;
+ int done;
+};
+
+struct MHD_Response *response_401;
struct MHD_Response *response_404;
-struct MHD_Response *response_501;
+struct MHD_Response *response_405;
struct MHD_Response *response_JSON_Success;
+struct MHD_Response *response_JSON_Failure;
void init_responses() {
+#define CONTENT_401 "<html><head><title>401 Unauthorized</title></head><body><h1>401 Unauthorized</h1>DENIED</body></html>"
+ response_401 = MHD_create_response_from_data(strlen (CONTENT_401), CONTENT_401, MHD_NO, MHD_NO);
+
#define CONTENT_404 "<html><head><title>404 Not Found</title></head><body><h1>404 Not Found</h1>I couldn't find that.</body></html>"
response_404 = MHD_create_response_from_data(strlen(CONTENT_404), CONTENT_404, MHD_NO, MHD_NO);
-#define CONTENT_501 "<html><head><title>501 Not Implemented</title></head><body><h1>501 Not Implemented</h1>I'm sorry, Dave. I'm afraid I can't do that.</body></html>"
- response_501 = MHD_create_response_from_data(strlen(CONTENT_501), CONTENT_501, MHD_NO, MHD_NO);
+#define CONTENT_405 "<html><head><title>405 Method Not Allowed</title></head><body><h1>405 Method Not Allowed</h1>I'm sorry, Dave. I'm afraid I can't do that.</body></html>"
+ response_405 = MHD_create_response_from_data(strlen(CONTENT_405), CONTENT_405, MHD_NO, MHD_NO);
#define JSON_SUCCESS "{status: \"success\"}"
response_JSON_Success = MHD_create_response_from_data(strlen(JSON_SUCCESS), JSON_SUCCESS, MHD_NO, MHD_NO);
+
+#define JSON_FAILURE "{status: \"failure\"}"
+ response_JSON_Failure = MHD_create_response_from_data(strlen(JSON_FAILURE), JSON_FAILURE, MHD_NO, MHD_NO);
+}
+
+#define REALM "Blerg"
+#define OPAQUE "d29fb6db8f21a6e99903651a9f87470e"
+int respond_401(struct MHD_Connection *connection, int signal_stale) {
+ return MHD_queue_auth_fail_response(connection, REALM, OPAQUE, response_401, signal_stale);
}
int respond_404(struct MHD_Connection *connection) {
return MHD_queue_response(connection, MHD_HTTP_NOT_FOUND, response_404);
}
-int respond_501(struct MHD_Connection *connection) {
- return MHD_queue_response(connection, MHD_HTTP_NOT_IMPLEMENTED, response_501);
+int respond_405(struct MHD_Connection *connection) {
+ return MHD_queue_response(connection, MHD_HTTP_METHOD_NOT_ALLOWED, response_405);
}
int respond_JSON_Success(struct MHD_Connection *connection) {
return MHD_queue_response(connection, MHD_HTTP_OK, response_JSON_Success);
}
+int respond_JSON_Failure(struct MHD_Connection *connection) {
+ return MHD_queue_response(connection, MHD_HTTP_OK, response_JSON_Failure);
+}
+
int parse_url_info(const char *url, char *author, uint64_t *record) {
const char *c;
int ret = 0;
return ret;
}
+ssize_t GET_generate_list(void *cls, uint64_t pos, char *buf, size_t max) {
+ struct get_state *gs = cls;
+ const unsigned char *ybuf;
+ char *data;
+ unsigned int len;
+
+ if (gs->yoff > 0) {
+ yajl_gen_get_buf(gs->g, &ybuf, &len);
+ size_t bytes_remaining = len - gs->yoff;
+ if (bytes_remaining > max) {
+ memcpy(buf, ybuf + gs->yoff, max);
+ gs->yoff += max;
+ printf("generate list: gave %d bytes\n", max);
+ return max;
+ } else {
+ memcpy(buf, ybuf + gs->yoff, bytes_remaining);
+ gs->yoff = 0;
+ yajl_gen_clear(gs->g);
+ printf("generate list: gave %d bytes\n", bytes_remaining);
+ return bytes_remaining;
+ }
+ }
+
+ if (gs->done)
+ return -1;
+
+ if (pos == 0) { /* Start iterating */
+ gs->yoff = 0;
+ yajl_gen_array_open(gs->g);
+ uint64_t record_count = blerg_get_record_count(gs->b);
+ if (record_count == 0) {
+ gs->from = 1;
+ gs->to = 0;
+ } else {
+ gs->to = record_count - 1;
+ gs->from = (record_count > 50 ? gs->to - 49 : 0);
+ }
+ }
+
+ if (gs->from > gs->to) { /* Done iterating */
+ yajl_gen_array_close(gs->g);
+ gs->done = 1;
+ } else {
+ /* Snarf one record */
+ blerg_fetch(gs->b, gs->from, &data, &len);
+ yajl_gen_string(gs->g, data, len);
+ free(data);
+ gs->from++;
+ }
+
+
+ yajl_gen_get_buf(gs->g, &ybuf, &len);
+ printf("%d bytes in yajl buffer\n", len);
+ if (len > max) {
+ memcpy(buf, ybuf, max);
+ gs->yoff = max;
+ printf("generate list: gave %d bytes\n", max);
+ return max;
+ } else {
+ memcpy(buf, ybuf, len);
+ yajl_gen_clear(gs->g);
+ printf("generate list: gave %d bytes\n", len);
+ return len;
+ }
+}
+
+void GET_generate_list_free(void *cls) {
+ struct get_state *gs = cls;
+
+ blerg_close(gs->b);
+ yajl_gen_free(gs->g);
+ free(gs);
+}
+
int POST_create_iterator(void *cls, enum MHD_ValueKind kind, const char *key, const char *filename, const char *content_type, const char *transfer_encoding, const char *data, uint64_t off, size_t size) {
struct create_state *cs = cls;
- if (strncmp(key, "username", 8) == 0) {
+ if (strncmp(key, "username", 9) == 0) {
if (size > 32) size = 32;
memcpy(cs->username, data, size);
cs->username[size] = 0;
- } else if (strncmp(key, "password", 8) == 0) {
+ } else if (strncmp(key, "password", 9) == 0) {
if (size > 32) size = 32;
memcpy(cs->password, data, size);
cs->password[size] = 0;
}
+
+ return MHD_YES;
+}
+
+int POST_put_iterator(void *cls, enum MHD_ValueKind kind, const char *key, const char *filename, const char *content_type, const char *transfer_encoding, const char *data, uint64_t off, size_t size) {
+ struct put_state *ps = cls;
+
+ if (strncmp(key, "data", 5) == 0) {
+ if (ps->data == NULL) {
+ ps->data_size = size;
+ ps->data = malloc(size);
+ } else {
+ if (ps->data_size + size > MAX_RECORD_SIZE) {
+ size = MAX_RECORD_SIZE - ps->data_size;
+ }
+ ps->data_size += size;
+ ps->data = realloc(ps->data, ps->data_size);
+ }
+ printf("Copying %d bytes, total size %d\n", size, ps->data_size);
+ memcpy(ps->data + off, data, size);
+ if (ps->data_size == MAX_RECORD_SIZE)
+ return MHD_NO;
+ }
+
+ return MHD_YES;
}
static int
char *data;
if (strncmp(url, "/get", 4) == 0 && strlen(url) > 4) {
- if (strcmp(method, MHD_HTTP_METHOD_GET) != 0)
- return MHD_NO;
+ if (*ptr == NULL) {
+ if (strcmp(method, MHD_HTTP_METHOD_GET) != 0)
+ return respond_405(connection);
+
+ *ptr = (void *) 1;
+ return MHD_YES;
+ }
+
if (url[4] != '/')
return respond_404(connection);
+
ret = parse_url_info(url + 5, author, &record);
if ((ret & URL_INFO_AUTHOR) == 0)
return respond_404(connection);
if (!blerg_exists(author))
return respond_404(connection);
+ *ptr == NULL;
+
if (ret & URL_INFO_RECORD) {
- if (*ptr == NULL) {
- *ptr = (void *) 1;
- return MHD_YES;
- } else {
- *ptr == NULL;
-
- struct blerg *b = blerg_open(author);
- ret = blerg_fetch(b, record, &data, &len);
- blerg_close(b);
-
- if (ret == 0) {
- return respond_404(connection);
- } else {
- response = MHD_create_response_from_data(len, data, MHD_YES, MHD_NO);
- ret = MHD_queue_response(connection, MHD_HTTP_OK, response);
- }
- MHD_destroy_response(response);
- return ret;
- }
- } else {
- if (*ptr == NULL) {
- *ptr = (void*) 1;
- return MHD_YES;
+ struct blerg *b = blerg_open(author);
+ ret = blerg_fetch(b, record, &data, &len);
+ blerg_close(b);
+
+ if (ret == 0) {
+ return respond_404(connection);
} else {
- *ptr == NULL;
- response = MHD_create_response_from_data(strlen(DERP), DERP, MHD_NO, MHD_NO);
+ response = MHD_create_response_from_data(len, data, MHD_YES, MHD_NO);
ret = MHD_queue_response(connection, MHD_HTTP_OK, response);
- MHD_destroy_response(response);
- return ret;
}
+ MHD_destroy_response(response);
+ return ret;
+ } else {
+ yajl_gen_config c;
+ c.beautify = 0;
+
+ struct get_state *gs = malloc(sizeof(struct get_state));
+ gs->b = blerg_open(author);
+ gs->g = yajl_gen_alloc(&c, NULL);
+ gs->yoff = 0;
+ gs->done = 0;
+
+ response = MHD_create_response_from_callback(-1, 262144, &GET_generate_list, gs, &GET_generate_list_free);
+ ret = MHD_queue_response(connection, MHD_HTTP_OK, response);
+ MHD_destroy_response(response);
+
+ return ret;
}
} else if (strncmp(url, "/put", 4) == 0) {
+ struct put_state *ps = (struct put_state *) *ptr;
char *username;
- const char *password = "testpass";
- const char *realm = "Blerg Post";
-
-#define OPAQUE "d29fb6db8f21a6e99903651a9f87470e"
-#define DENIED "DENIED, MOTHERFUCKER"
-#define PAGE "DERP DERP AUTHENTICATED DERP"
+ char password[33];
if (*ptr == NULL) {
+ if (strcmp(method, MHD_HTTP_METHOD_POST) != 0)
+ return respond_405(connection);
+
+ if (url[4] == '/')
+ return respond_404(connection);
+
*ptr = (void *) 1;
username = MHD_digest_auth_get_username(connection);
- if (username == NULL) {
- response = MHD_create_response_from_data(strlen (DENIED), DENIED, MHD_NO, MHD_NO);
- ret = MHD_queue_auth_fail_response(connection, realm, OPAQUE, response, MHD_NO);
- MHD_destroy_response(response);
- return ret;
- }
+ if (username == NULL)
+ return respond_401(connection, MHD_NO);
+ auth_get_password(username, password);
- printf("username: %s\n", username);
-
- ret = MHD_digest_auth_check(connection, realm, username, password, 300);
+ ret = MHD_digest_auth_check(connection, REALM, username, password, 300);
free(username);
- if (ret == MHD_INVALID_NONCE || ret == MHD_NO) {
- response = MHD_create_response_from_data(strlen (DENIED), DENIED, MHD_NO, MHD_NO);
- ret = MHD_queue_auth_fail_response(connection, realm, OPAQUE, response,
- (ret == MHD_INVALID_NONCE) ? MHD_YES : MHD_NO);
- MHD_destroy_response(response);
- return ret;
- }
+ if (ret == MHD_INVALID_NONCE || ret == MHD_NO)
+ return respond_401(connection, (ret == MHD_INVALID_NONCE) ? MHD_YES : MHD_NO);
+
+ struct put_state *ps = malloc(sizeof(struct put_state));
+ ps->data = NULL;
+ ps->data_size = 0;
+ ps->pp = MHD_create_post_processor(connection, 16384, &POST_put_iterator, ps);
+ *ptr = ps;
+ return MHD_YES;
}
- *ptr = NULL;
+ if (*upload_data_size) {
+ MHD_post_process(ps->pp, upload_data, *upload_data_size);
+ *upload_data_size = 0;
+ return MHD_YES;
+ }
- if (url[4] != '/')
- return respond_404(connection);
- ret = parse_url_info(url + 5, author, &record);
- if ((ret & URL_INFO_AUTHOR) == 0)
- return respond_404(connection);
+ if (ps->data == NULL || ps->data_size == 0)
+ return respond_JSON_Failure(connection);
- response = MHD_create_response_from_data(strlen(PAGE), PAGE, MHD_NO, MHD_NO);
- ret = MHD_queue_response(connection, MHD_HTTP_OK, response);
- MHD_destroy_response(response);
- return ret;
+ username = MHD_digest_auth_get_username(connection);
+ struct blerg *b = blerg_open(username);
+ if (b == NULL)
+ return respond_JSON_Failure(connection);
+ if (blerg_store(b, ps->data, ps->data_size) == -1) {
+ blerg_close(b);
+ return respond_JSON_Failure(connection);
+ }
+ blerg_close(b);
+
+ MHD_destroy_post_processor(ps->pp);
+ free(username);
+ free(ps->data);
+ free(ps);
+ *ptr = NULL;
+
+ return respond_JSON_Success(connection);
} else if (strncmp(url, "/create", 8) == 0) {
struct create_state *cs = (struct create_state *) *ptr;
if (cs == NULL) {
if (strcmp(method, MHD_HTTP_METHOD_POST) != 0)
- return respond_501(connection);
+ return respond_405(connection);
struct create_state *cs = malloc(sizeof(struct create_state));
cs->username[0] = cs->password[0] = 0;
MHD_post_process(cs->pp, upload_data, *upload_data_size);
*upload_data_size = 0;
return MHD_YES;
- } else {
- printf("username: %s, password: %s\n", cs->username, cs->password);
+ }
- if (cs->username[0] == 0 || cs->password[0] == 0)
- return MHD_NO; // TODO: Give a better response
+ if (cs->username[0] == 0 || cs->password[0] == 0)
+ return respond_JSON_Failure(connection);
- struct blerg *b = blerg_open(cs->username);
- blerg_close(b);
- /* auth_set_password(cs->username, cs->password); */
+ if (blerg_exists(cs->username))
+ return respond_JSON_Failure(connection);
- MHD_destroy_post_processor(cs->pp);
- free(cs);
- return respond_JSON_Success(connection);
- }
+ struct blerg *b = blerg_open(cs->username);
+ blerg_close(b);
+ auth_set_password(cs->username, cs->password);
+
+ MHD_destroy_post_processor(cs->pp);
+ free(cs);
+ *ptr = NULL;
+
+ return respond_JSON_Success(connection);
} else {
return respond_404(connection);
}
projects / blerg.git / blobdiff