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main.c
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main.c
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#include <string.h>
#include <errno.h>
#include <signal.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <dlfcn.h>
#include <pthread.h>
#include <time.h>
#include <onion/onion.h>
#include <onion/handler.h>
#include <onion/https.h>
#include <onion/listen_point.h>
#include <onion/shortcuts.h>
#include <onion/exportlocal.h>
#include <onion/dict.h>
#include <sds.h>
#include <ezxml.h>
#include <duktape.h>
#include <utlist.h>
#include <uthash.h>
#include <sqlite3.h>
#define CEPA_DEFAULT_CHDIR "/"
#define CEPA_DEFAULT_PORT "8080"
#define CEPA_PATH_MAX 128
#define CEPA_USE_INDEX_HTML 1
typedef struct module {
char *name;
char *url;
onion_handler *handler;
void *handle;
void (*destroy)(void);
struct module *next;
} module;
typedef struct script {
char *name;
char *url;
struct script *next;
} script;
typedef struct {
char *key;
char *value;
UT_hash_handle hh;
} header;
typedef struct {
char *name;
void *handle;
UT_hash_handle hh;
} jslib;
typedef struct {
onion_request *request;
header *headers;
sds buffer;
const char *jslibpath;
jslib *jslibs;
int rc;
} context;
typedef struct {
char *path;
void *bytecode;
duk_size_t len;
time_t modified;
UT_hash_handle hh;
} bytecode;
typedef struct {
char *key;
void *value;
timer_t timer;
void (*ffn)(void *);
UT_hash_handle hh;
} keyvalue;
typedef struct {
onion *server;
char *port;
char *sslport;
char *global_ext;
script *scripts;
char *scripts_path;
char *jslib_path;
module *modules;
char *modules_path;
int (*kv_set)(const char *key,void *value,void *ffn,int expiry,int nx);
const char *(*kv_get)(const char *key);
} module_context;
static int DONE = 0;
static char *JSLIBPATH = NULL;
static keyvalue *kvs = NULL;
static bytecode *cached_scripts = NULL;
static pthread_rwlock_t kvs_lock;
static pthread_rwlock_t scripts_lock;
static int kv_set(const char *key,void *value,void *ffn,int expiry,int nx);
static const char *kv_get(const char *key);
static onion_connection_status index_handler(void *data, onion_request *request, onion_response *response);
static onion_connection_status js_handler(void *data, onion_request *request, onion_response *response);
static duk_int_t duk_modsearch(duk_context *duk);
static duk_int_t duk_print(duk_context *duk);
static duk_int_t duk_is_secure(duk_context *duk);
static duk_int_t duk_set_code(duk_context *duk);
static duk_int_t duk_set_header(duk_context *duk);
static duk_int_t duk_get_method(duk_context *duk);
static duk_int_t duk_get_header(duk_context *duk);
static duk_int_t duk_get_path(duk_context *duk);
static duk_int_t duk_get_fullpath(duk_context *duk);
static duk_int_t duk_get_query(duk_context *duk);
static duk_int_t duk_get_post(duk_context *duk);
static duk_int_t duk_get_post2(duk_context *duk);
static duk_int_t duk_get_file(duk_context *duk);
static duk_int_t duk_get_cookie(duk_context *duk);
static duk_int_t duk_sqlite_factory(duk_context *duk);
static duk_int_t duk_sqlite_query(duk_context *duk);
static duk_int_t duk_sqlite_prepare(duk_context *duk);
static duk_int_t duk_sqlite_close(duk_context *duk);
static duk_int_t duk_sqlite_bind(duk_context *duk);
static duk_int_t duk_sqlite_execute(duk_context *duk);
static duk_int_t duk_sqlite_finalize(duk_context *duk);
static duk_int_t duk_kv_set(duk_context *duk);
static duk_int_t duk_kv_get(duk_context *duk);
static const duk_function_list_entry CGIBINDINGS[] = {
{ "print", duk_print, DUK_VARARGS },
{ "isSecure", duk_is_secure, 0 },
{ "setResponseCode", duk_set_code, 1 },
{ "setHeader", duk_set_header, 2 },
{ "getMethod", duk_get_method, 0 },
{ "getHeader", duk_get_header, 1 },
{ "getPath", duk_get_path, 0 },
{ "getFullPath", duk_get_fullpath, 0 },
{ "getQuery", duk_get_query, 1 },
{ "getPost", duk_get_post, 1 },
{ "getPostMulti", duk_get_post2, 2 },
{ "getFile", duk_get_file, 1 },
{ "getCookie", duk_get_cookie, 1 },
{ NULL, NULL, 0 }
};
static const duk_function_list_entry SQLITEBINDINGS[] = {
{ "close", duk_sqlite_close, 0 },
{ "prepare", duk_sqlite_prepare, 1 },
{ "query", duk_sqlite_query, 2 },
{ NULL, NULL, 0 }
};
static const duk_function_list_entry KVBINDINGS[] = {
{ "get", duk_kv_get, 1 },
{ "set", duk_kv_set, 4 },
{ NULL, NULL, 0 }
};
static void sig_handler(int sig) {
DONE = 1;
}
static void close_modules(module *list) {
module *m,*mt;
LL_FOREACH_SAFE(list,m,mt) {
LL_DELETE(list,m);
if (m->destroy != NULL) m->destroy();
dlclose(m->handle);
free(m);
}
}
static void timer_handler(int sig, siginfo_t *si, void *uc) {
keyvalue *kv;
char *key = si->si_value.sival_ptr;
pthread_rwlock_rdlock(&kvs_lock);
HASH_FIND(hh,kvs,key,strlen(key),kv);
pthread_rwlock_unlock(&kvs_lock);
if (kv) {
pthread_rwlock_wrlock(&kvs_lock);
HASH_DEL(kvs,kv);
pthread_rwlock_unlock(&kvs_lock);
free(kv->key);
if (kv->ffn != NULL) kv->ffn(kv->value);
timer_delete(kv->timer);
free(kv);
}
}
int main(int argc, char **argv) {
onion *o;
onion_handler *root,*files = NULL,*module_handler;
onion_url *urls;
onion_listen_point *ssl = NULL;
ezxml_t xml,sub,node;
const char *script_path,*global_script_ext,*libpath,*modpath;
const char *url,*name,*sslport = NULL,*sslcert = NULL,*sslkey = NULL;
sds data,docroot = NULL,global_regex;
void *handle;
int (*init)(const char *path);
module_context mctx;
onion_connection_status (*dynhandler)(void *,onion_request *,onion_response *);
module *modules = NULL,*mod;
script *scripts = NULL,*scr;
struct sigaction sa;
keyvalue *kv,*kvt;
bytecode *bc,*bct;
if (argc == 1) {
fprintf(stderr,"%s config_file\n",argv[0]);
return 1;
}
if (signal(SIGTERM,sig_handler) == SIG_ERR) {
fprintf(stderr,"failed to set handler for SIGTERM\n");
return 1;
}
if (signal(SIGINT,sig_handler) == SIG_ERR) {
fprintf(stderr,"failed to set handler for SIGINT\n");
return 1;
}
sa.sa_flags = SA_SIGINFO;
sa.sa_sigaction = timer_handler;
sigemptyset(&sa.sa_mask);
if (sigaction(SIGRTMAX - 1,&sa,NULL) < 0) {
fprintf(stderr,"failed to intialize key/value store timeout mechanism\n");
return 1;
}
if (pthread_rwlock_init(&kvs_lock,NULL) < 0) {
fprintf(stderr,"failed to initialize key/value store read/write lock\n");
return 1;
}
if (pthread_rwlock_init(&scripts_lock,NULL) < 0) {
fprintf(stderr,"failed to initialze script cache lock\n");
return 1;
}
if ((o = onion_new(O_POOL | O_DETACH_LISTEN | O_NO_SIGTERM)) == NULL) {
fprintf(stderr,"failed to initialize onion\n");
return 1;
}
if ((urls = onion_url_new()) == NULL) {
fprintf(stderr,"failed to initialize onion\n");
return 1;
}
#ifdef CEPA_USE_INDEX_HANDLER
onion_url_add(urls,"",index_handler);
#endif
mctx.server = o;
mctx.sslport = NULL;
mctx.global_ext = NULL;
mctx.scripts = NULL;
mctx.scripts_path = NULL;
mctx.modules = NULL;
mctx.modules_path = NULL;
mctx.jslib_path = NULL;
mctx.kv_set = kv_set;
mctx.kv_get = kv_get;
xml = ezxml_parse_file(argv[1]);
if (xml->name == NULL) {
fprintf(stderr,"could not parse '%s'\n",argv[1]);
return 1;
}
if (strcmp(xml->name,"server")) {
fprintf(stderr,"configuration must have root node <server>\n");
return 1;
}
if ((node = ezxml_child(xml,"docroot")) != NULL) {
if ((files = onion_handler_export_local_new(node->txt)) == NULL) {
fprintf(stderr,"error exporting local path '%s'\n",node->txt);
return 1;
}
chdir(node->txt);
docroot = sdsnew(node->txt);
} else {
chdir(CEPA_DEFAULT_CHDIR);
}
if ((node = ezxml_child(xml,"port")) != NULL) {
onion_set_port(o,node->txt);
mctx.port = strdup(node->txt); // TODO null check
} else {
onion_set_port(o,CEPA_DEFAULT_PORT);
mctx.port = strdup(CEPA_DEFAULT_PORT); // TODO null check
}
if ((sub = ezxml_child(xml,"scripts")) != NULL) {
if ((script_path = ezxml_attr(sub,"path")) != NULL) {
mctx.scripts_path = strdup(script_path); // TODO null check
for (node = ezxml_child(sub,"script"); node != NULL; node = node->next) {
url = ezxml_attr(node,"url");
name = ezxml_attr(node,"name");
if (url != NULL && name != NULL) {
scr = malloc(sizeof(script)); // TODO null check
scr->name = strdup(name); // TODO null check
scr->url = strdup(url); // TODO null check
LL_APPEND(scripts,scr);
data = sdsempty();
data = sdscatprintf(data,"!%s/%s",script_path,name);
onion_url_add_with_data(urls,url,js_handler,data,sdsfree);
}
}
}
if ((global_script_ext = ezxml_attr(sub,"global")) != NULL) {
if (docroot == NULL) {
fprintf(stderr,"global js handler: missing <docroot> element\n");
return 1;
}
if (strlen(global_script_ext) == 0) global_script_ext = "jsx";
global_regex = sdsempty();
global_regex = sdscatprintf(global_regex,"^(.*)\\.%s$",global_script_ext);
onion_url_add_with_data(urls,global_regex,js_handler,docroot,sdsfree);
mctx.global_ext = strdup(global_script_ext); // TODO null check
sdsfree(global_regex);
}
if ((libpath = ezxml_attr(sub,"libpath")) != NULL) {
JSLIBPATH = strdup(libpath); // TODO null check
}
}
if ((sub = ezxml_child(xml,"modules")) != NULL) {
if ((modpath = ezxml_attr(sub,"path")) != NULL) {
mctx.modules_path = strdup(modpath); // TODO null check
for (node = ezxml_child(sub,"module"); node != NULL; node = node->next) {
url = ezxml_attr(node,"url");
name = ezxml_attr(node,"name");
if (url != NULL && name != NULL) {
data = sdsempty();
data = sdscatprintf(data,"%s/%s",modpath,name);
if ((handle = dlopen(data,RTLD_NOW)) == NULL) {
fprintf(stderr,"failed to open %s: '%s'\n",data,dlerror());
close_modules(modules);
return 1;
}
if ((init = dlsym(handle,"init")) == NULL) {
fprintf(stderr,"failed to get init() from '%s': %s\n",data,dlerror());
dlclose(handle);
close_modules(modules);
return 1;
}
if ((dynhandler = dlsym(handle,"handle")) == NULL) {
fprintf(stderr,"failed to get handle() from '%s': %s\n",data,dlerror());
dlclose(handle);
close_modules(modules);
return 1;
}
init(docroot);
if ((mod = malloc(sizeof(module))) == NULL) {
fprintf(stderr,"out of memory\n");
close_modules(modules);
return 1;
}
module_handler = onion_handler_new(dynhandler,&mctx,NULL);
onion_url_add_handler(urls,url,module_handler);
mod->name = strdup(name); // TODO null check
mod->url = strdup(url); // TODO null check
mod->handler = module_handler;
mod->handle = handle;
mod->destroy = dlsym(handle,"destroy"); // not an error if NULL
LL_APPEND(modules,mod);
}
}
}
}
if ((sub = ezxml_child(xml,"ssl")) != NULL) {
if ((node = ezxml_child(sub,"port")) != NULL) {
sslport = node->txt;
mctx.sslport = strdup(sslport); // TODO null check
}
if ((node = ezxml_child(sub,"cert")) != NULL) sslcert = node->txt;
if ((node = ezxml_child(sub,"key")) != NULL) sslkey = node->txt;
if (sslport != NULL && sslcert != NULL && sslkey != NULL) {
ssl = onion_https_new();
// TODO: error checking. Returns an int, but onion docs are unclear what success or failure is
onion_https_set_certificate(ssl,O_SSL_CERTIFICATE_KEY,sslcert,sslkey,NULL);
onion_add_listen_point(o,NULL,sslport,ssl);
} else {
fprintf(stderr,"<ssl> present, but missing one or more of <port>, <cert>, <key>\n");
close_modules(modules);
return 1;
}
}
root = onion_url_to_handler(urls);
if (files != NULL) onion_handler_add(root,files);
onion_set_root_handler(o,root);
daemon(1,0);
onion_listen(o);
while (!DONE) if (sleep(1) == -1 && errno == EINTR) continue;
onion_listen_stop(o);
onion_free(o);
if (ssl != NULL) onion_listen_point_free(ssl);
close_modules(modules);
if (JSLIBPATH != NULL) free(JSLIBPATH);
HASH_ITER(hh,kvs,kv,kvt) {
HASH_DEL(kvs,kv);
timer_delete(kv->timer);
free(kv->key);
if (kv->ffn != NULL) kv->ffn(kv->value);
free(kv);
}
HASH_ITER(hh,cached_scripts,bc,bct) {
HASH_DEL(cached_scripts,bc);
free(bc->bytecode);
free(bc);
}
pthread_rwlock_destroy(&kvs_lock);
pthread_rwlock_destroy(&scripts_lock);
free(mctx.port);
free(mctx.sslport);
free(mctx.modules_path);
free(mctx.global_ext);
return 0;
}
static onion_connection_status index_handler(void *data, onion_request *request, onion_response *response) {
onion_shortcut_response_file("index.html",request,response);
return OCS_PROCESSED;
}
static onion_connection_status js_handler(void *data, onion_request *request, onion_response *response) {
const char *spath = data,*msg;
char path[CEPA_PATH_MAX];
struct stat astat;
context ctx;
duk_context *duk = NULL;
header *h,*ht;
int len,insert = 0,compiled = 0;
jslib *j,*jt;
sds errfull = NULL;
bytecode *bc;
void *code;
if (*spath == '!') {
snprintf(path,CEPA_PATH_MAX - 1,"%s",&spath[1]);
} else {
snprintf(path,CEPA_PATH_MAX - 1,"%s/%s",spath,onion_request_get_fullpath(request));
}
path[CEPA_PATH_MAX - 1] = '\0';
ctx.request = request;
ctx.headers = NULL;
ctx.buffer = sdsempty();
ctx.jslibs = NULL;
ctx.rc = 200;
if ((duk = duk_create_heap_default()) == NULL) {
msg = "out of memory";
goto FAIL;
}
if (stat(path,&astat) == -1) {
len = errno;
errfull = sdsempty();
errfull = sdscatprintf(errfull,"failed to load %s: %s",path,strerror(len));
msg = errfull;
goto FAIL;
}
pthread_rwlock_rdlock(&scripts_lock);
HASH_FIND(hh,cached_scripts,path,strlen(path),bc);
pthread_rwlock_unlock(&scripts_lock);
if (bc == NULL) {
if ((bc = malloc(sizeof(bytecode))) == NULL) {
msg = "out of memory";
goto FAIL;
}
if ((bc->path = strdup(path)) == NULL) {
free(bc);
msg = "out of memory";
goto FAIL;
}
bc->modified = 0;
bc->bytecode = NULL;
insert = 1;
}
if (bc->modified < astat.st_mtime) {
if (duk_pcompile_file(duk,0,path) != 0) {
msg = duk_get_string(duk,-1);
goto FAIL;
}
duk_dump_function(duk);
code = duk_get_buffer_data(duk,-1,(duk_size_t *)&bc->len);
pthread_rwlock_wrlock(&scripts_lock);
if (bc->bytecode != NULL) free(bc->bytecode);
if ((bc->bytecode = malloc(bc->len)) == NULL) {
free(bc->path);
free(bc);
pthread_rwlock_unlock(&scripts_lock);
msg = "out of memory";
goto FAIL;
}
memcpy(bc->bytecode,code,bc->len);
bc->modified = astat.st_mtime;
if (insert) HASH_ADD_KEYPTR(hh,cached_scripts,bc->path,strlen(bc->path),bc);
pthread_rwlock_unlock(&scripts_lock);
duk_pop(duk);
compiled = 1;
}
duk_push_heap_stash(duk);
duk_push_pointer(duk,&ctx);
duk_put_prop_string(duk,-2,"__CTX");
duk_pop(duk);
duk_push_object(duk);
duk_put_function_list(duk,-1,CGIBINDINGS);
duk_put_global_string(duk,"cgi");
duk_push_c_function(duk,duk_sqlite_factory,DUK_VARARGS);
duk_put_global_string(duk,"sqlite");
duk_push_object(duk);
duk_put_function_list(duk,-1,KVBINDINGS);
duk_put_global_string(duk,"kv");
duk_push_global_object(duk);
duk_del_prop_string(duk,-1,"print");
duk_del_prop_string(duk,-1,"alert");
duk_get_prop_string(duk,-1,"Duktape");
duk_push_c_function(duk,duk_modsearch,4);
duk_put_prop_string(duk,-2,"modSearch");
duk_pop_2(duk);
/*
if (duk_peval_file(duk,path) != 0) {
errfull = sdsempty();
if (duk_is_object(duk,-1)) {
duk_get_prop_string(duk,-1,"fileName");
errfull = sdscat(errfull,duk_safe_to_string(duk,-1));
duk_pop(duk);
errfull = sdscat(errfull," : ");
duk_get_prop_string(duk,-1,"lineNumber");
errfull = sdscat(errfull,duk_safe_to_string(duk,-1));
duk_pop(duk);
errfull = sdscat(errfull," : ");
duk_get_prop_string(duk,-1,"message");
errfull = sdscat(errfull,duk_safe_to_string(duk,-1));
duk_pop(duk);
msg = errfull;
} else {
msg = duk_safe_to_string(duk,-1);
}
goto FAIL;
}
*/
code = duk_push_buffer(duk,bc->len,0);
memcpy(code,bc->bytecode,bc->len);
duk_load_function(duk);
if (duk_pcall(duk,0) != 0) {
errfull = sdsempty();
if (duk_is_object(duk,-1)) {
duk_get_prop_string(duk,-1,"fileName");
errfull = sdscat(errfull,duk_safe_to_string(duk,-1));
duk_pop(duk);
errfull = sdscat(errfull," : ");
duk_get_prop_string(duk,-1,"lineNumber");
errfull = sdscat(errfull,duk_safe_to_string(duk,-1));
duk_pop(duk);
errfull = sdscat(errfull," : ");
duk_get_prop_string(duk,-1,"message");
errfull = sdscat(errfull,duk_safe_to_string(duk,-1));
duk_pop(duk);
msg = errfull;
} else {
msg = duk_safe_to_string(duk,-1);
}
goto FAIL;
}
duk_destroy_heap(duk);
onion_response_set_code(response,ctx.rc);
HASH_ITER(hh,ctx.headers,h,ht) {
onion_response_set_header(response,h->key,h->value);
HASH_DEL(ctx.headers,h);
free(h->key);
free(h->value);
free(h);
}
if (compiled) onion_response_set_header(response,"Compiled","true");
len = sdslen(ctx.buffer);
onion_response_set_length(response,len);
if (len) onion_response_write(response,ctx.buffer,len);
sdsfree(ctx.buffer);
HASH_ITER(hh,ctx.jslibs,j,jt) {
HASH_DEL(ctx.jslibs,j);
free(j->name);
dlclose(j->handle);
free(j);
}
return OCS_PROCESSED;
FAIL:
HASH_ITER(hh,ctx.headers,h,ht) {
HASH_DEL(ctx.headers,h);
free(h->key);
free(h->value);
free(h);
}
HASH_ITER(hh,ctx.jslibs,j,jt) {
HASH_DEL(ctx.jslibs,j);
free(j->name);
dlclose(j->handle);
free(j);
}
sdsfree(ctx.buffer);
if (msg) onion_shortcut_response(msg,500,request,response);
else onion_shortcut_response("unknown error",500,request,response);
if (duk != NULL) duk_destroy_heap(duk);
if (errfull != NULL) sdsfree(errfull);
return OCS_PROCESSED;
}
static duk_int_t duk_modsearch(duk_context *duk) {
context *ctx;
const char *name;
char path[CEPA_PATH_MAX];
struct stat astat;
void *handle = NULL;
duk_int_t (*init)(duk_context *duk);
jslib *lib;
duk_push_heap_stash(duk);
duk_get_prop_string(duk,-1,"__CTX");
ctx = duk_get_pointer(duk,-1);
duk_pop_2(duk);
if (JSLIBPATH == NULL) {
duk_push_string(duk,"no library path");
duk_throw(duk);
}
name = duk_require_string(duk,0);
HASH_FIND(hh,ctx->jslibs,name,strlen(name),lib);
if (lib != NULL) return 0;
if ((lib = malloc(sizeof(jslib))) == NULL) {
duk_push_string(duk,"out of memory");
duk_throw(duk);
}
if ((lib->name = strdup(name)) == NULL) {
free(lib);
duk_push_string(duk,"out of memory");
duk_throw(duk);
}
lib->handle = NULL;
snprintf(path,CEPA_PATH_MAX - 1,"%s/%s.js",JSLIBPATH,name);
path[CEPA_PATH_MAX - 1] = '\0';
if (stat(path,&astat) == -1) {
snprintf(path,CEPA_PATH_MAX - 1,"%s/%s.so",JSLIBPATH,name);
path[CEPA_PATH_MAX - 1] = '\0';
if (stat(path,&astat) == -1) {
duk_push_sprintf(duk,"module %s not found",name);
goto FAIL;
}
if ((handle = dlopen(path,RTLD_NOW)) == NULL) {
duk_push_sprintf(duk,"failed to load native module %s: %s",name,dlerror());
goto FAIL;
}
if ((init = dlsym(handle,"init")) == NULL) {
duk_push_sprintf(duk,"failed to load native module %s: %s",name,dlerror());
goto FAIL;
}
duk_push_c_function(duk,init,2);
duk_dup(duk,2);
duk_dup(duk,3);
if (duk_pcall(duk,2) != 0) {
goto FAIL;
}
duk_pop(duk);
lib->handle = handle;
} else {
duk_push_string_file(duk,path);
return 1;
}
return 0;
FAIL:
free(lib->name);
free(lib);
duk_throw(duk);
return 0; // compiler bodge
}
static duk_int_t duk_is_secure(duk_context *duk) {
context *ctx;
duk_push_heap_stash(duk);
duk_get_prop_string(duk,-1,"__CTX");
ctx = duk_get_pointer(duk,-1);
duk_pop_2(duk);
if (onion_request_is_secure(ctx->request)) duk_push_true(duk);
else duk_push_false(duk);
return 1;
}
static duk_int_t duk_print(duk_context *duk) {
context *ctx;
duk_idx_t i,j;
const char *str;
duk_push_heap_stash(duk);
duk_get_prop_string(duk,-1,"__CTX");
ctx = duk_get_pointer(duk,-1);
duk_pop_2(duk);
j = duk_get_top(duk);
for (i = 0; i < j; i++) {
str = duk_safe_to_string(duk,i);
ctx->buffer = sdscat(ctx->buffer,str);
}
return 0;
}
static duk_int_t duk_set_code(duk_context *duk) {
context *ctx;
duk_int_t rc;
duk_push_heap_stash(duk);
duk_get_prop_string(duk,-1,"__CTX");
ctx = duk_get_pointer(duk,-1);
duk_pop_2(duk);
rc = duk_require_int(duk,0);
ctx->rc = (int)rc;
return 0;
}
static duk_int_t duk_set_header(duk_context *duk) {
context *ctx;
const char *key,*value;
header *h;
duk_push_heap_stash(duk);
duk_get_prop_string(duk,-1,"__CTX");
ctx = duk_get_pointer(duk,-1);
duk_pop_2(duk);
key = duk_require_string(duk,0);
value = duk_safe_to_string(duk,1);
if (strcmp(value,"null") == 0 || strcmp(value,"undefined") == 0) value = NULL;
HASH_FIND(hh,ctx->headers,key,strlen(key),h);
if (h != NULL) {
free(h->value);
if (value != NULL) {
if ((h->value = strdup(value)) == NULL) goto FAIL;
} else {
HASH_DEL(ctx->headers,h);
free(h->key);
free(h);
}
} else {
if (value == NULL) return 0;
if ((h = malloc(sizeof(header))) == NULL) goto FAIL;
if ((h->key = strdup(key)) == NULL) goto FAIL;
if ((h->value = strdup(value)) == NULL) goto FAIL;
HASH_ADD_KEYPTR(hh,ctx->headers,h->key,strlen(h->key),h);
}
return 0;
FAIL:
duk_push_string(duk,"out of memory");
duk_throw(duk);
}
static duk_int_t duk_get_method(duk_context *duk) {
context *ctx;
int method;
duk_push_heap_stash(duk);
duk_get_prop_string(duk,-1,"__CTX");
ctx = duk_get_pointer(duk,-1);
duk_pop_2(duk);
method = onion_request_get_flags(ctx->request);
method &= OR_METHODS;
switch (method) {
case OR_GET:
duk_push_string(duk,"GET");
break;
case OR_PUT:
duk_push_string(duk,"PUT");
break;
case OR_POST:
duk_push_string(duk,"POST");
break;
case OR_DELETE:
duk_push_string(duk,"DELETE");
break;
case OR_HEAD:
duk_push_string(duk,"HEAD");
break;
default:
return 0;
}
return 1;
}
static duk_int_t duk_get_header(duk_context *duk) {
context *ctx;
const char *key,*value;
duk_push_heap_stash(duk);
duk_get_prop_string(duk,-1,"__CTX");
ctx = duk_get_pointer(duk,-1);
duk_pop_2(duk);
key = duk_require_string(duk,0);
value = onion_request_get_header(ctx->request,key);
duk_push_string(duk,value);
return 1;
}
static duk_int_t duk_get_path(duk_context *duk) {
context *ctx;
const char *path;
duk_push_heap_stash(duk);
duk_get_prop_string(duk,-1,"__CTX");
ctx = duk_get_pointer(duk,-1);
duk_pop_2(duk);
path = onion_request_get_path(ctx->request);
duk_push_string(duk,path);
return 1;
}
static duk_int_t duk_get_fullpath(duk_context *duk) {
context *ctx;
const char *path;
duk_push_heap_stash(duk);
duk_get_prop_string(duk,-1,"__CTX");
ctx = duk_get_pointer(duk,-1);
duk_pop_2(duk);
path = onion_request_get_fullpath(ctx->request);
duk_push_string(duk,path);
return 1;
}
static duk_int_t duk_get_query(duk_context *duk) {
context *ctx;
const char *key,*value;
duk_push_heap_stash(duk);
duk_get_prop_string(duk,-1,"__CTX");
ctx = duk_get_pointer(duk,-1);
duk_pop_2(duk);
key = duk_require_string(duk,0);
value = onion_request_get_query(ctx->request,key);
duk_push_string(duk,value);
return 1;
}
static duk_int_t duk_get_post(duk_context *duk) {
context *ctx;
const char *key,*value;
duk_push_heap_stash(duk);
duk_get_prop_string(duk,-1,"__CTX");
ctx = duk_get_pointer(duk,-1);
duk_pop_2(duk);
key = duk_require_string(duk,0);
value = onion_request_get_post(ctx->request,key);
duk_push_string(duk,value);
return 1;
}
static void multi_callback(void *data, const char *key, const char *value) {
duk_context *duk = data;
const char *current_key;
duk_push_heap_stash(duk);
duk_get_prop_string(duk,-1,"__CALLBACK_ERROR");
if (duk_is_null_or_undefined(duk,-1)) {
duk_pop(duk);
} else {
duk_pop_2(duk);
return;
}
duk_get_prop_string(duk,-1,"__CURRENT_KEY");
current_key = duk_get_string(duk,-1);
duk_pop(duk);
if (!strcmp(current_key,key)) {
duk_get_prop_string(duk,-1,"__CURRENT_CALLBACK");
duk_swap(duk,-1,-2);
duk_pop(duk);
duk_push_string(duk,value);
if (duk_pcall(duk,1) == 0) {
duk_pop(duk);
} else {
duk_push_heap_stash(duk);
duk_swap(duk,-1,-2);
duk_put_prop_string(duk,-2,"__CURRENT_ERROR");
duk_pop(duk);
}
} else {
duk_pop(duk);
}
}
static duk_int_t duk_get_post2(duk_context *duk) {
context *ctx;
const char *key;
const onion_dict *dict;
duk_push_heap_stash(duk); // <ARG0> <ARG1> <STASH>
duk_get_prop_string(duk,-1,"__CTX"); // <ARG0> <ARG1> <STASH> <PTR>
ctx = duk_get_pointer(duk,-1);
duk_pop(duk); // <ARG0> <ARG1> <STASH>
key = duk_require_string(duk,0);
key = key; // -Wall dodge
duk_require_function(duk,1);
duk_dup(duk,0); // <ARG0> <ARG1> <STASH> <ARG0>
duk_put_prop_string(duk,-2,"__CURRENT_KEY"); // <ARG0> <ARG1> <STASH>
duk_dup(duk,1); // <ARG0> <ARG1> <STASH> <ARG1>
duk_put_prop_string(duk,-2,"__CURRENT_CALLBACK"); // <ARG0> <ARG1> <STASH>
duk_pop(duk); // <ARG0> <ARG1>
dict = onion_request_get_post_dict(ctx->request);
onion_dict_preorder(dict,multi_callback,duk);
duk_push_heap_stash(duk);
duk_del_prop_string(duk,-1,"__CURRENT_KEY");
duk_del_prop_string(duk,-1,"__CURRENT_CALLBACK");
duk_get_prop_string(duk,-1,"__CALLBACK_ERROR");
duk_swap_top(duk,-2);
duk_pop(duk);
if (duk_is_undefined(duk,-1)) duk_pop(duk);
else duk_throw(duk);
return 0;
}
static duk_int_t duk_get_file(duk_context *duk) {
context *ctx;
const char *key,*value;
duk_push_heap_stash(duk);
duk_get_prop_string(duk,-1,"__CTX");
ctx = duk_get_pointer(duk,-1);
duk_pop_2(duk);
key = duk_require_string(duk,0);
value = onion_request_get_file(ctx->request,key);
duk_push_string(duk,value);
return 1;
}
static duk_int_t duk_get_cookie(duk_context *duk) {
context *ctx;
const char *key,*value;
duk_push_heap_stash(duk);
duk_get_prop_string(duk,-1,"__CTX");
ctx = duk_get_pointer(duk,-1);
duk_pop_2(duk);
key = duk_require_string(duk,0);
value = onion_request_get_cookie(ctx->request,key);
duk_push_string(duk,value);
return 1;
}
static duk_int_t duk_sqlite_factory(duk_context *duk) {
const char *path;
sqlite3 *db;
int flags = SQLITE_OPEN_READWRITE | SQLITE_OPEN_NOMUTEX,timeout = 50;
path = duk_require_string(duk,0);