Cory McWilliams
b6dffa8e66
git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@4361 ed5197a5-7fde-0310-b194-c3ffbd925b24
1401 lines
46 KiB
C
1401 lines
46 KiB
C
#include "ssb.js.h"
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#include "database.js.h"
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#include "log.h"
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#include "mem.h"
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#include "ssb.db.h"
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#include "ssb.h"
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#include "trace.h"
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#include "util.js.h"
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#include "sodium/crypto_hash_sha256.h"
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#include "sodium/crypto_box.h"
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#include "sodium/crypto_scalarmult.h"
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#include "sodium/crypto_scalarmult_curve25519.h"
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#include "sodium/crypto_secretbox.h"
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#include "sodium/crypto_sign.h"
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#include "sodium/randombytes.h"
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#include "string.h"
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#include "sqlite3.h"
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#include "uv.h"
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#include <assert.h>
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#include <inttypes.h>
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static JSClassID _tf_ssb_classId;
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void _tf_ssb_on_rpc(tf_ssb_connection_t* connection, uint8_t flags, int32_t request_number, JSValue args, const uint8_t* message, size_t size, void* user_data);
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static JSValue _tf_ssb_createIdentity(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
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{
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tf_ssb_t* ssb = JS_GetOpaque(this_val, _tf_ssb_classId);
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JSValue result = JS_UNDEFINED;
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if (ssb)
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{
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const char* user = JS_ToCString(context, argv[0]);
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int count = tf_ssb_db_identity_get_count_for_user(ssb, user);
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if (count < 16)
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{
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char public[512];
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char private[512];
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tf_ssb_generate_keys_buffer(public, sizeof(public), private, sizeof(private));
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if (tf_ssb_db_identity_add(ssb, user, public, private))
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{
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char id[513];
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snprintf(id, sizeof(id), "@%s", public);
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result = JS_NewString(context, id);
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}
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else
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{
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result = JS_ThrowInternalError(context, "Unable to add identity.");
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}
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}
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else
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{
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result = JS_ThrowInternalError(context, "Too many identities for user.");
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}
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JS_FreeCString(context, user);
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}
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return result;
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}
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typedef struct _identities_visit_t
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{
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JSContext* context;
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JSValue array;
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int count;
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} identities_visit_t;
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static void _tf_ssb_getIdentities_visit(const char* identity, void* data)
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{
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identities_visit_t* state = data;
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char id[k_id_base64_len];
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snprintf(id, sizeof(id), "@%s", identity);
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JS_SetPropertyUint32(state->context, state->array, state->count++, JS_NewString(state->context, id));
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}
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static JSValue _tf_ssb_getIdentities(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
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{
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JSValue result = JS_NewArray(context);
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tf_ssb_t* ssb = JS_GetOpaque(this_val, _tf_ssb_classId);
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if (ssb)
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{
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const char* user = JS_ToCString(context, argv[0]);
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identities_visit_t state =
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{
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.context = context,
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.array = result,
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};
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tf_ssb_db_identity_visit(ssb, user, _tf_ssb_getIdentities_visit, &state);
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JS_FreeCString(context, user);
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}
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return result;
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}
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static JSValue _tf_ssb_getAllIdentities(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
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{
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JSValue result = JS_NewArray(context);
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tf_ssb_t* ssb = JS_GetOpaque(this_val, _tf_ssb_classId);
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if (ssb)
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{
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identities_visit_t state =
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{
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.context = context,
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.array = result,
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};
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tf_ssb_db_identity_visit_all(ssb, _tf_ssb_getIdentities_visit, &state);
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}
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return result;
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}
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typedef struct _append_message_t
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{
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JSContext* context;
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JSValue promise[2];
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} append_message_t;
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static void _tf_ssb_appendMessage_finish(append_message_t* async, bool success, JSValue result)
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{
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JSValue error = JS_Call(async->context, success ? async->promise[0] : async->promise[1], JS_UNDEFINED, 1, &result);
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tf_util_report_error(async->context, error);
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JS_FreeValue(async->context, error);
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JS_FreeValue(async->context, async->promise[0]);
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JS_FreeValue(async->context, async->promise[1]);
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tf_free(async);
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}
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static void _tf_ssb_appendMessageWithIdentity_callback(const char* id, bool verified, bool is_new, void* user_data)
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{
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append_message_t* async = user_data;
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JSValue result = JS_UNDEFINED;
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if (verified)
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{
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result = is_new ? JS_TRUE : JS_FALSE;
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}
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_tf_ssb_appendMessage_finish(async, verified, result);
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}
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static JSValue _tf_ssb_appendMessageWithIdentity(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
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{
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append_message_t* async = tf_malloc(sizeof(append_message_t));
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*async = (append_message_t) { .context = context };
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JSValue result = JS_NewPromiseCapability(context, async->promise);
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tf_ssb_t* ssb = JS_GetOpaque(this_val, _tf_ssb_classId);
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if (ssb)
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{
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const char* user = JS_ToCString(context, argv[0]);
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const char* id = JS_ToCString(context, argv[1]);
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uint8_t private_key[crypto_sign_SECRETKEYBYTES];
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if (tf_ssb_db_identity_get_private_key(ssb, user, id, private_key, sizeof(private_key)))
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{
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tf_ssb_verify_strip_and_store_message(ssb, tf_ssb_sign_message(ssb, id, private_key, argv[2]), _tf_ssb_appendMessageWithIdentity_callback, async);
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}
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else
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{
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_tf_ssb_appendMessage_finish(async, false, JS_ThrowInternalError(context, "Unable to get private key for user %s with identity %s.", user, id));
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}
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JS_FreeCString(context, id);
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JS_FreeCString(context, user);
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}
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else
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{
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_tf_ssb_appendMessage_finish(async, false, JS_ThrowInternalError(context, "No SSB instance."));
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}
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return result;
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}
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static JSValue _tf_ssb_getMessage(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
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{
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JSValue result = JS_NULL;
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tf_ssb_t* ssb = JS_GetOpaque(this_val, _tf_ssb_classId);
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if (ssb)
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{
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const char* id = JS_ToCString(context, argv[0]);
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int64_t sequence = 0;
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JS_ToInt64(context, &sequence, argv[1]);
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double timestamp = -1.0;
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char* contents = NULL;
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if (tf_ssb_db_get_message_by_author_and_sequence(ssb, id, sequence, NULL, 0, ×tamp, &contents))
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{
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result = JS_NewObject(context);
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JS_SetPropertyStr(context, result, "timestamp", JS_NewFloat64(context, timestamp));
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JS_SetPropertyStr(context, result, "content", JS_NewString(context, contents));
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tf_free(contents);
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}
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JS_FreeCString(context, id);
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}
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return result;
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}
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static JSValue _tf_ssb_blobGet(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
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{
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JSValue result = JS_NULL;
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tf_ssb_t* ssb = JS_GetOpaque(this_val, _tf_ssb_classId);
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if (ssb)
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{
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const char* id = JS_ToCString(context, argv[0]);
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uint8_t* blob = NULL;
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size_t size = 0;
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if (tf_ssb_db_blob_get(ssb, id, &blob, &size))
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{
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result = JS_NewArrayBufferCopy(context, blob, size);
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tf_free(blob);
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}
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JS_FreeCString(context, id);
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}
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return result;
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}
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typedef struct _blob_store_t
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{
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JSContext* context;
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JSValue promise[2];
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uint8_t* buffer;
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} blob_store_t;
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void _tf_ssb_blob_store_complete(blob_store_t* store, const char* id)
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{
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JSValue result = JS_UNDEFINED;
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if (id)
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{
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JSValue id_value = JS_NewString(store->context, id);
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JS_Call(store->context, store->promise[0], JS_UNDEFINED, 1, &id_value);
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}
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else
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{
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JS_Call(store->context, store->promise[1], JS_UNDEFINED, 0, NULL);
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}
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tf_util_report_error(store->context, result);
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JS_FreeValue(store->context, result);
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JS_FreeValue(store->context, store->promise[0]);
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JS_FreeValue(store->context, store->promise[1]);
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tf_free(store->buffer);
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tf_free(store);
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}
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void _tf_ssb_blob_store_callback(const char* id, bool is_new, void* user_data)
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{
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blob_store_t* store = user_data;
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_tf_ssb_blob_store_complete(store, id);
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}
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static JSValue _tf_ssb_blobStore(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
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{
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blob_store_t* store = tf_malloc(sizeof(blob_store_t));
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*store = (blob_store_t) { .context = context };
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JSValue result = JS_NewPromiseCapability(context, store->promise);
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tf_ssb_t* ssb = JS_GetOpaque(this_val, _tf_ssb_classId);
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if (ssb)
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{
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uint8_t* blob = NULL;
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size_t size = 0;
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if (JS_IsString(argv[0]))
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{
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const char* text = JS_ToCStringLen(context, &size, argv[0]);
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store->buffer = tf_malloc(size);
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memcpy(store->buffer, text, size);
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tf_ssb_db_blob_store_async(ssb, store->buffer, size, _tf_ssb_blob_store_callback, store);
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JS_FreeCString(context, text);
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}
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else if ((blob = tf_util_try_get_array_buffer(context, &size, argv[0])) != 0)
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{
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store->buffer = tf_malloc(size);
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memcpy(store->buffer, blob, size);
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tf_ssb_db_blob_store_async(ssb, store->buffer, size, _tf_ssb_blob_store_callback, store);
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}
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else
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{
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size_t offset;
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size_t element_size;
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JSValue buffer = tf_util_try_get_typed_array_buffer(context, argv[0], &offset, &size, &element_size);
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if (!JS_IsException(buffer))
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{
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blob = tf_util_try_get_array_buffer(context, &size, buffer);
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if (blob)
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{
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store->buffer = tf_malloc(size);
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memcpy(store->buffer, blob, size);
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tf_ssb_db_blob_store_async(ssb, store->buffer, size, _tf_ssb_blob_store_callback, store);
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}
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else
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{
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_tf_ssb_blob_store_complete(store, NULL);
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}
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}
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else
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{
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_tf_ssb_blob_store_complete(store, NULL);
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}
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JS_FreeValue(context, buffer);
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}
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}
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return result;
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}
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static JSValue _tf_ssb_messageContentGet(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
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{
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JSValue result = JS_NULL;
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tf_ssb_t* ssb = JS_GetOpaque(this_val, _tf_ssb_classId);
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if (ssb)
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{
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const char* id = JS_ToCString(context, argv[0]);
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uint8_t* blob = NULL;
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size_t size = 0;
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if (tf_ssb_db_message_content_get(ssb, id, &blob, &size))
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{
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result = JS_NewArrayBufferCopy(context, blob, size);
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tf_free(blob);
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}
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JS_FreeCString(context, id);
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}
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return result;
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}
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static JSValue _tf_ssb_connections(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
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{
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JSValue result = JS_NULL;
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tf_ssb_t* ssb = JS_GetOpaque(this_val, _tf_ssb_classId);
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if (ssb)
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{
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const char** connections = tf_ssb_get_connection_ids(ssb);
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if (connections)
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{
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result = JS_NewArray(context);
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uint32_t i = 0;
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for (const char** p = connections; *p; p++, i++)
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{
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JS_SetPropertyUint32(context, result, i, JS_NewString(context, *p));
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}
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tf_free(connections);
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}
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}
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return result;
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}
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static JSValue _tf_ssb_storedConnections(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
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{
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JSValue result = JS_NULL;
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tf_ssb_t* ssb = JS_GetOpaque(this_val, _tf_ssb_classId);
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if (ssb)
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{
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int count = 0;
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tf_ssb_db_stored_connection_t* connections = tf_ssb_db_get_stored_connections(ssb, &count);
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result = JS_NewArray(context);
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for (int i = 0; i < count; i++)
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{
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JSValue connection = JS_NewObject(context);
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JS_SetPropertyStr(context, connection, "address", JS_NewString(context, connections[i].address));
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JS_SetPropertyStr(context, connection, "port", JS_NewInt32(context, connections[i].port));
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JS_SetPropertyStr(context, connection, "pubkey", JS_NewString(context, connections[i].pubkey));
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JS_SetPropertyUint32(context, result, i, connection);
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}
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tf_free(connections);
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}
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return result;
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}
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static JSValue _tf_ssb_getConnection(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
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{
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tf_ssb_t* ssb = JS_GetOpaque(this_val, _tf_ssb_classId);
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const char* id = JS_ToCString(context, argv[0]);
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tf_ssb_connection_t* connection = tf_ssb_connection_get(ssb, id);
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JS_FreeCString(context, id);
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return JS_DupValue(context, tf_ssb_connection_get_object(connection));
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}
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static JSValue _tf_ssb_closeConnection(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
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{
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tf_ssb_t* ssb = JS_GetOpaque(this_val, _tf_ssb_classId);
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const char* id = JS_ToCString(context, argv[0]);
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tf_ssb_connection_t* connection = tf_ssb_connection_get(ssb, id);
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if (connection)
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{
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tf_ssb_connection_close(connection);
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}
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JS_FreeCString(context, id);
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return connection ? JS_TRUE : JS_FALSE;
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}
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typedef struct _sql_work_t
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{
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uv_work_t request;
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tf_ssb_t* ssb;
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uv_thread_t thread_id;
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uint64_t start_time;
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uint64_t end_time;
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const char* query;
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uint8_t* binds;
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size_t binds_count;
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uint8_t* rows;
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size_t rows_count;
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JSValue callback;
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JSValue promise[2];
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int result;
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char* error;
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} sql_work_t;
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static void _tf_ssb_sql_append(uint8_t** rows, size_t* rows_count, const void* data, size_t size)
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{
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*rows = tf_resize_vec(*rows, *rows_count + size);
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memcpy(*rows + *rows_count, data, size);
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*rows_count += size;
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}
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static void _tf_ssb_sqlAsync_work(uv_work_t* work)
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{
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sql_work_t* sql_work = work->data;
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tf_trace_t* trace = tf_ssb_get_trace(sql_work->ssb);
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tf_trace_begin(trace, "sql_async_work");
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sql_work->start_time = uv_hrtime();
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sql_work->thread_id = uv_thread_self();
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sqlite3* db = tf_ssb_acquire_db_reader(sql_work->ssb);
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sqlite3_stmt* statement = NULL;
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sql_work->result = sqlite3_prepare(db, sql_work->query, -1, &statement, NULL);
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if (sql_work->result == SQLITE_OK)
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{
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const uint8_t* p = sql_work->binds;
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int column = 0;
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while (p < sql_work->binds + sql_work->binds_count)
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{
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switch (*p++)
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{
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case SQLITE_INTEGER:
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{
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int64_t value = 0;
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memcpy(&value, p, sizeof(value));
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sqlite3_bind_int64(statement, column + 1, value);
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p += sizeof(value);
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}
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break;
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case SQLITE_TEXT:
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{
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size_t length = 0;
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memcpy(&length, p, sizeof(length));
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p += sizeof(length);
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sqlite3_bind_text(statement, column + 1, (const char*)p, length, NULL);
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p += length;
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}
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break;
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case SQLITE_NULL:
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sqlite3_bind_null(statement, column + 1);
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break;
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default:
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abort();
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}
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column++;
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}
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int r = SQLITE_OK;
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while ((r = sqlite3_step(statement)) == SQLITE_ROW)
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{
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_tf_ssb_sql_append(&sql_work->rows, &sql_work->rows_count, &(uint8_t[]) { 'r' }, 1);
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for (int i = 0; i < sqlite3_column_count(statement); i++)
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{
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_tf_ssb_sql_append(&sql_work->rows, &sql_work->rows_count, &(uint8_t[]) { 'c' }, 1);
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const char* name = sqlite3_column_name(statement, i);
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_tf_ssb_sql_append(&sql_work->rows, &sql_work->rows_count, name, strlen(name) + 1);
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uint8_t type = sqlite3_column_type(statement, i);
|
|
_tf_ssb_sql_append(&sql_work->rows, &sql_work->rows_count, &type, sizeof(type));
|
|
switch (type)
|
|
{
|
|
case SQLITE_INTEGER:
|
|
{
|
|
int64_t value = sqlite3_column_int64(statement, i);
|
|
_tf_ssb_sql_append(&sql_work->rows, &sql_work->rows_count, &value, sizeof(value));
|
|
}
|
|
break;
|
|
case SQLITE_FLOAT:
|
|
{
|
|
double value = sqlite3_column_double(statement, i);
|
|
_tf_ssb_sql_append(&sql_work->rows, &sql_work->rows_count, &value, sizeof(value));
|
|
}
|
|
break;
|
|
case SQLITE_TEXT:
|
|
{
|
|
size_t bytes = sqlite3_column_bytes(statement, i);
|
|
_tf_ssb_sql_append(&sql_work->rows, &sql_work->rows_count, &bytes, sizeof(bytes));
|
|
_tf_ssb_sql_append(&sql_work->rows, &sql_work->rows_count, sqlite3_column_text(statement, i), bytes);
|
|
}
|
|
break;
|
|
case SQLITE_BLOB:
|
|
{
|
|
size_t bytes = sqlite3_column_bytes(statement, i);
|
|
_tf_ssb_sql_append(&sql_work->rows, &sql_work->rows_count, &bytes, sizeof(bytes));
|
|
_tf_ssb_sql_append(&sql_work->rows, &sql_work->rows_count, sqlite3_column_blob(statement, i), bytes);
|
|
}
|
|
break;
|
|
case SQLITE_NULL:
|
|
break;
|
|
default:
|
|
abort();
|
|
}
|
|
}
|
|
}
|
|
sql_work->result = r;
|
|
if (r != SQLITE_OK && r != SQLITE_DONE)
|
|
{
|
|
sql_work->error = tf_strdup(sqlite3_errmsg(db));
|
|
}
|
|
_tf_ssb_sql_append(&sql_work->rows, &sql_work->rows_count, &(uint8_t[]) { 0 }, 1);
|
|
sqlite3_finalize(statement);
|
|
}
|
|
else
|
|
{
|
|
sql_work->error = tf_strdup(sqlite3_errmsg(db));
|
|
}
|
|
tf_ssb_release_db_reader(sql_work->ssb, db);
|
|
sql_work->end_time = uv_hrtime();
|
|
tf_trace_end(trace);
|
|
}
|
|
|
|
static void _tf_ssb_sqlAsync_after_work(uv_work_t* work, int status)
|
|
{
|
|
sql_work_t* sql_work = work->data;
|
|
tf_trace_t* trace = tf_ssb_get_trace(sql_work->ssb);
|
|
tf_trace_begin(trace, "sql_async_after_work");
|
|
tf_ssb_record_thread_time(sql_work->ssb, (int64_t)sql_work->thread_id, sql_work->end_time - sql_work->start_time);
|
|
JSContext* context = tf_ssb_get_context(sql_work->ssb);
|
|
uint8_t* p = sql_work->rows;
|
|
while (p < sql_work->rows + sql_work->rows_count)
|
|
{
|
|
if (*p++ == 'r')
|
|
{
|
|
JSValue row = JS_NewObject(context);
|
|
|
|
while (*p == 'c')
|
|
{
|
|
p++;
|
|
const char* column_name = (const char*)p;
|
|
size_t length = strlen((char*)p);
|
|
p += length + 1;
|
|
|
|
switch (*p++)
|
|
{
|
|
case SQLITE_INTEGER:
|
|
{
|
|
int64_t value = 0;
|
|
memcpy(&value, p, sizeof(value));
|
|
JS_SetPropertyStr(context, row, column_name, JS_NewInt64(context, value));
|
|
p += sizeof(value);
|
|
}
|
|
break;
|
|
case SQLITE_FLOAT:
|
|
{
|
|
double value = 0.0;
|
|
memcpy(&value, p, sizeof(value));
|
|
JS_SetPropertyStr(context, row, column_name, JS_NewFloat64(context, value));
|
|
p += sizeof(value);
|
|
}
|
|
break;
|
|
case SQLITE_TEXT:
|
|
case SQLITE_BLOB:
|
|
{
|
|
size_t length = 0;
|
|
memcpy(&length, p, sizeof(length));
|
|
p += sizeof(length);
|
|
JS_SetPropertyStr(context, row, column_name, JS_NewStringLen(context, (const char*)p, length));
|
|
p += length;
|
|
}
|
|
break;
|
|
case SQLITE_NULL:
|
|
JS_SetPropertyStr(context, row, column_name, JS_NULL);
|
|
break;
|
|
}
|
|
}
|
|
|
|
JSValue response = JS_Call(context, sql_work->callback, JS_UNDEFINED, 1, &row);
|
|
tf_util_report_error(context, response);
|
|
JS_FreeValue(context, response);
|
|
JS_FreeValue(context, row);
|
|
}
|
|
else
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
tf_free(sql_work->binds);
|
|
tf_free(sql_work->rows);
|
|
|
|
JSValue result = JS_UNDEFINED;
|
|
if (sql_work->result == SQLITE_OK || sql_work->result == SQLITE_DONE)
|
|
{
|
|
result = JS_Call(context, sql_work->promise[0], JS_UNDEFINED, 0, NULL);
|
|
tf_util_report_error(context, result);
|
|
}
|
|
else
|
|
{
|
|
JSValue error = JS_ThrowInternalError(context, "SQL Error %s: %s", sql_work->error, sql_work->query);
|
|
JSValue exception = JS_GetException(context);
|
|
result = JS_Call(context, sql_work->promise[1], JS_UNDEFINED, 1, &exception);
|
|
tf_util_report_error(context, result);
|
|
JS_FreeValue(context, exception);
|
|
JS_FreeValue(context, error);
|
|
}
|
|
JS_FreeValue(context, result);
|
|
JS_FreeValue(context, sql_work->promise[0]);
|
|
JS_FreeValue(context, sql_work->promise[1]);
|
|
JS_FreeValue(context, sql_work->callback);
|
|
JS_FreeCString(context, sql_work->query);
|
|
|
|
tf_free(sql_work->error);
|
|
tf_free(sql_work);
|
|
tf_trace_end(trace);
|
|
}
|
|
|
|
static JSValue _tf_ssb_sqlAsync(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
|
|
{
|
|
tf_ssb_t* ssb = JS_GetOpaque(this_val, _tf_ssb_classId);
|
|
const char* query = JS_ToCString(context, argv[0]);
|
|
sql_work_t* work = tf_malloc(sizeof(sql_work_t));
|
|
*work = (sql_work_t)
|
|
{
|
|
.request =
|
|
{
|
|
.data = work,
|
|
},
|
|
.ssb = ssb,
|
|
.callback = JS_DupValue(context, argv[2]),
|
|
.query = query,
|
|
};
|
|
JSValue result = JS_NewPromiseCapability(context, work->promise);
|
|
JSValue error_value = JS_UNDEFINED;
|
|
if (ssb)
|
|
{
|
|
int32_t length = tf_util_get_length(context, argv[1]);
|
|
for (int i = 0; i < length; i++)
|
|
{
|
|
JSValue value = JS_GetPropertyUint32(context, argv[1], i);
|
|
if (JS_IsNumber(value))
|
|
{
|
|
uint8_t type = SQLITE_INTEGER;
|
|
int64_t number = 0;
|
|
JS_ToInt64(context, &number, value);
|
|
_tf_ssb_sql_append(&work->binds, &work->binds_count, &type, sizeof(type));
|
|
_tf_ssb_sql_append(&work->binds, &work->binds_count, &number, sizeof(number));
|
|
}
|
|
else if (JS_IsBool(value))
|
|
{
|
|
uint8_t type = SQLITE_INTEGER;
|
|
int64_t number = JS_ToBool(context, value) ? 1 : 0;
|
|
_tf_ssb_sql_append(&work->binds, &work->binds_count, &type, sizeof(type));
|
|
_tf_ssb_sql_append(&work->binds, &work->binds_count, &number, sizeof(number));
|
|
}
|
|
else if (JS_IsNull(value))
|
|
{
|
|
uint8_t type = SQLITE_NULL;
|
|
_tf_ssb_sql_append(&work->binds, &work->binds_count, &type, sizeof(type));
|
|
}
|
|
else
|
|
{
|
|
uint8_t type = SQLITE_TEXT;
|
|
size_t length = 0;
|
|
const char* string = JS_ToCStringLen(context, &length, value);
|
|
if (!string)
|
|
{
|
|
string = "";
|
|
}
|
|
_tf_ssb_sql_append(&work->binds, &work->binds_count, &type, sizeof(type));
|
|
_tf_ssb_sql_append(&work->binds, &work->binds_count, &length, sizeof(length));
|
|
_tf_ssb_sql_append(&work->binds, &work->binds_count, string, length);
|
|
JS_FreeCString(context, string);
|
|
}
|
|
JS_FreeValue(context, value);
|
|
}
|
|
int r = uv_queue_work(tf_ssb_get_loop(ssb), &work->request, _tf_ssb_sqlAsync_work, _tf_ssb_sqlAsync_after_work);
|
|
if (r)
|
|
{
|
|
error_value = JS_ThrowInternalError(context, "uv_queue_work failed: %s", uv_strerror(r));
|
|
}
|
|
}
|
|
if (!JS_IsUndefined(error_value))
|
|
{
|
|
JSValue call_result = JS_Call(context, work->promise[1], JS_UNDEFINED, 1, &error_value);
|
|
tf_util_report_error(context, call_result);
|
|
JS_FreeValue(context, call_result);
|
|
JS_FreeValue(context, work->promise[0]);
|
|
JS_FreeValue(context, work->promise[1]);
|
|
JS_FreeValue(context, work->callback);
|
|
JS_FreeValue(context, error_value);
|
|
JS_FreeCString(context, query);
|
|
tf_free(work->binds);
|
|
tf_free(work->error);
|
|
tf_free(work);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
typedef struct _message_store_t
|
|
{
|
|
JSContext* context;
|
|
JSValue promise[2];
|
|
} message_store_t;
|
|
|
|
void _tf_ssb_message_store_callback(const char* id, bool verified, bool is_new, void* user_data)
|
|
{
|
|
message_store_t* store = user_data;
|
|
JSValue result = JS_Call(store->context, id ? store->promise[0] : store->promise[1], JS_UNDEFINED, 0, NULL);
|
|
tf_util_report_error(store->context, result);
|
|
JS_FreeValue(store->context, result);
|
|
JS_FreeValue(store->context, store->promise[0]);
|
|
JS_FreeValue(store->context, store->promise[1]);
|
|
tf_free(store);
|
|
}
|
|
|
|
static JSValue _tf_ssb_storeMessage(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
|
|
{
|
|
tf_ssb_t* ssb = JS_GetOpaque(this_val, _tf_ssb_classId);
|
|
message_store_t* store = tf_malloc(sizeof(message_store_t));
|
|
*store = (message_store_t) { .context = context };
|
|
JSValue result = JS_NewPromiseCapability(context, store->promise);
|
|
tf_ssb_verify_strip_and_store_message(ssb, argv[0], _tf_ssb_message_store_callback, store);
|
|
return result;
|
|
}
|
|
|
|
typedef struct _broadcasts_t
|
|
{
|
|
JSContext* context;
|
|
JSValue array;
|
|
int length;
|
|
} broadcasts_t;
|
|
|
|
static void _tf_ssb_broadcasts_visit(const char* host, const struct sockaddr_in* addr, tf_ssb_connection_t* tunnel, const uint8_t* pub, void* user_data)
|
|
{
|
|
broadcasts_t* broadcasts = user_data;
|
|
JSValue entry = JS_NewObject(broadcasts->context);
|
|
char pubkey[k_id_base64_len];
|
|
tf_ssb_id_bin_to_str(pubkey, sizeof(pubkey), pub);
|
|
if (tunnel)
|
|
{
|
|
JS_SetPropertyStr(broadcasts->context, entry, "tunnel", JS_DupValue(broadcasts->context, tf_ssb_connection_get_object(tunnel)));
|
|
}
|
|
else
|
|
{
|
|
JS_SetPropertyStr(broadcasts->context, entry, "address", JS_NewString(broadcasts->context, host));
|
|
JS_SetPropertyStr(broadcasts->context, entry, "port", JS_NewInt32(broadcasts->context, ntohs(addr->sin_port)));
|
|
}
|
|
JS_SetPropertyStr(broadcasts->context, entry, "pubkey", JS_NewString(broadcasts->context, pubkey));
|
|
JS_SetPropertyUint32(broadcasts->context, broadcasts->array, broadcasts->length++, entry);
|
|
}
|
|
|
|
static JSValue _tf_ssb_getBroadcasts(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
|
|
{
|
|
JSValue result = JS_UNDEFINED;
|
|
tf_ssb_t* ssb = JS_GetOpaque(this_val, _tf_ssb_classId);
|
|
if (ssb)
|
|
{
|
|
result = JS_NewArray(context);
|
|
broadcasts_t broadcasts = {
|
|
.context = context,
|
|
.array = result,
|
|
.length = 0,
|
|
};
|
|
tf_ssb_visit_broadcasts(ssb, _tf_ssb_broadcasts_visit, &broadcasts);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
static JSValue _tf_ssb_connect(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
|
|
{
|
|
JSValue args = argv[0];
|
|
tf_ssb_t* ssb = JS_GetOpaque(this_val, _tf_ssb_classId);
|
|
if (ssb)
|
|
{
|
|
if (JS_IsString(args))
|
|
{
|
|
const char* address_str = JS_ToCString(context, args);
|
|
tf_printf("Connecting to %s\n", address_str);
|
|
tf_ssb_connect_str(ssb, address_str);
|
|
JS_FreeCString(context, address_str);
|
|
}
|
|
else
|
|
{
|
|
JSValue address = JS_GetPropertyStr(context, args, "address");
|
|
JSValue port = JS_GetPropertyStr(context, args, "port");
|
|
JSValue pubkey = JS_GetPropertyStr(context, args, "pubkey");
|
|
const char* address_str = JS_ToCString(context, address);
|
|
int32_t port_int = 0;
|
|
JS_ToInt32(context, &port_int, port);
|
|
const char* pubkey_str = JS_ToCString(context, pubkey);
|
|
if (pubkey_str)
|
|
{
|
|
tf_printf("Connecting to %s:%d\n", address_str, port_int);
|
|
uint8_t pubkey_bin[k_id_bin_len];
|
|
tf_ssb_id_str_to_bin(pubkey_bin, pubkey_str);
|
|
tf_ssb_connect(ssb, address_str, port_int, pubkey_bin);
|
|
}
|
|
else
|
|
{
|
|
tf_printf("Not connecting to null.\n");
|
|
}
|
|
JS_FreeCString(context, pubkey_str);
|
|
JS_FreeCString(context, address_str);
|
|
JS_FreeValue(context, address);
|
|
JS_FreeValue(context, port);
|
|
JS_FreeValue(context, pubkey);
|
|
}
|
|
}
|
|
return JS_UNDEFINED;
|
|
}
|
|
|
|
static JSValue _tf_ssb_forgetStoredConnection(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
|
|
{
|
|
JSValue args = argv[0];
|
|
tf_ssb_t* ssb = JS_GetOpaque(this_val, _tf_ssb_classId);
|
|
if (ssb)
|
|
{
|
|
JSValue address = JS_GetPropertyStr(context, args, "address");
|
|
JSValue port = JS_GetPropertyStr(context, args, "port");
|
|
JSValue pubkey = JS_GetPropertyStr(context, args, "pubkey");
|
|
const char* address_str = JS_ToCString(context, address);
|
|
int32_t port_int = 0;
|
|
JS_ToInt32(context, &port_int, port);
|
|
const char* pubkey_str = JS_ToCString(context, pubkey);
|
|
if (pubkey_str)
|
|
{
|
|
tf_ssb_db_forget_stored_connection(ssb, address_str, port_int, pubkey_str);
|
|
}
|
|
JS_FreeCString(context, pubkey_str);
|
|
JS_FreeCString(context, address_str);
|
|
JS_FreeValue(context, address);
|
|
JS_FreeValue(context, port);
|
|
JS_FreeValue(context, pubkey);
|
|
}
|
|
return JS_UNDEFINED;
|
|
}
|
|
|
|
static void _tf_ssb_cleanup_value(tf_ssb_t* ssb, void* user_data)
|
|
{
|
|
JSValue callback = JS_MKPTR(JS_TAG_OBJECT, user_data);
|
|
JS_FreeValue(tf_ssb_get_context(ssb), callback);
|
|
}
|
|
|
|
static void _tf_ssb_on_message_added_callback(tf_ssb_t* ssb, const char* id, void* user_data)
|
|
{
|
|
JSContext* context = tf_ssb_get_context(ssb);
|
|
JSValue callback = JS_MKPTR(JS_TAG_OBJECT, user_data);
|
|
JSValue string = JS_NewString(context, id);
|
|
JSValue response = JS_Call(context, callback, JS_UNDEFINED, 1, &string);
|
|
if (tf_util_report_error(context, response))
|
|
{
|
|
tf_ssb_remove_message_added_callback(ssb, _tf_ssb_on_message_added_callback, user_data);
|
|
}
|
|
JS_FreeValue(context, response);
|
|
JS_FreeValue(context, string);
|
|
}
|
|
|
|
static void _tf_ssb_on_blob_want_added_callback(tf_ssb_t* ssb, const char* id, void* user_data)
|
|
{
|
|
JSContext* context = tf_ssb_get_context(ssb);
|
|
JSValue callback = JS_MKPTR(JS_TAG_OBJECT, user_data);
|
|
JSValue string = JS_NewString(context, id);
|
|
JSValue response = JS_Call(context, callback, JS_UNDEFINED, 1, &string);
|
|
if (tf_util_report_error(context, response))
|
|
{
|
|
tf_ssb_remove_blob_want_added_callback(ssb, _tf_ssb_on_blob_want_added_callback, user_data);
|
|
}
|
|
JS_FreeValue(context, response);
|
|
JS_FreeValue(context, string);
|
|
}
|
|
|
|
static void _tf_ssb_on_connections_changed_callback(tf_ssb_t* ssb, tf_ssb_change_t change, tf_ssb_connection_t* connection, void* user_data)
|
|
{
|
|
JSContext* context = tf_ssb_get_context(ssb);
|
|
JSValue callback = JS_MKPTR(JS_TAG_OBJECT, user_data);
|
|
JSValue response = JS_UNDEFINED;
|
|
switch (change)
|
|
{
|
|
case k_tf_ssb_change_create:
|
|
break;
|
|
case k_tf_ssb_change_connect:
|
|
{
|
|
JSValue object = JS_DupValue(context, tf_ssb_connection_get_object(connection));
|
|
JSValue args[] =
|
|
{
|
|
JS_NewString(context, "add"),
|
|
object,
|
|
};
|
|
response = JS_Call(context, callback, JS_UNDEFINED, 2, args);
|
|
if (tf_util_report_error(context, response))
|
|
{
|
|
tf_ssb_remove_connections_changed_callback(ssb, _tf_ssb_on_connections_changed_callback, user_data);
|
|
}
|
|
JS_FreeValue(context, args[0]);
|
|
JS_FreeValue(context, object);
|
|
}
|
|
break;
|
|
case k_tf_ssb_change_remove:
|
|
{
|
|
JSValue object = JS_DupValue(context, tf_ssb_connection_get_object(connection));
|
|
JSValue args[] =
|
|
{
|
|
JS_NewString(context, "remove"),
|
|
object,
|
|
};
|
|
response = JS_Call(context, callback, JS_UNDEFINED, 2, args);
|
|
if (tf_util_report_error(context, response))
|
|
{
|
|
tf_ssb_remove_connections_changed_callback(ssb, _tf_ssb_on_connections_changed_callback, user_data);
|
|
}
|
|
JS_FreeValue(context, args[0]);
|
|
JS_FreeValue(context, object);
|
|
}
|
|
break;
|
|
}
|
|
JS_FreeValue(context, response);
|
|
}
|
|
|
|
static void _tf_ssb_on_broadcasts_changed_callback(tf_ssb_t* ssb, void* user_data)
|
|
{
|
|
JSContext* context = tf_ssb_get_context(ssb);
|
|
JSValue callback = JS_MKPTR(JS_TAG_OBJECT, user_data);
|
|
JSValue argv = JS_UNDEFINED;
|
|
JSValue response = JS_Call(context, callback, JS_UNDEFINED, 1, &argv);
|
|
if (tf_util_report_error(context, response))
|
|
{
|
|
tf_ssb_remove_broadcasts_changed_callback(ssb, _tf_ssb_on_broadcasts_changed_callback, user_data);
|
|
}
|
|
JS_FreeValue(context, response);
|
|
}
|
|
|
|
static JSValue _tf_ssb_add_event_listener(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
|
|
{
|
|
tf_ssb_t* ssb = JS_GetOpaque(this_val, _tf_ssb_classId);
|
|
const char* event_name = JS_ToCString(context, argv[0]);
|
|
JSValue callback = argv[1];
|
|
JSValue result = JS_UNDEFINED;
|
|
|
|
if (!event_name)
|
|
{
|
|
result = JS_ThrowTypeError(context, "Expected argument 1 to be a string event name.");
|
|
}
|
|
else if (!JS_IsFunction(context, callback))
|
|
{
|
|
result = JS_ThrowTypeError(context, "Expected argument 2 to be a function.");
|
|
}
|
|
else
|
|
{
|
|
if (strcmp(event_name, "connections") == 0)
|
|
{
|
|
void* ptr = JS_VALUE_GET_PTR(JS_DupValue(context, callback));
|
|
tf_ssb_add_connections_changed_callback(ssb, _tf_ssb_on_connections_changed_callback, _tf_ssb_cleanup_value, ptr);
|
|
}
|
|
else if (strcmp(event_name, "broadcasts") == 0)
|
|
{
|
|
void* ptr = JS_VALUE_GET_PTR(JS_DupValue(context, callback));
|
|
tf_ssb_add_broadcasts_changed_callback(ssb, _tf_ssb_on_broadcasts_changed_callback, _tf_ssb_cleanup_value, ptr);
|
|
}
|
|
else if (strcmp(event_name, "message") == 0)
|
|
{
|
|
void* ptr = JS_VALUE_GET_PTR(JS_DupValue(context, callback));
|
|
tf_ssb_add_message_added_callback(ssb, _tf_ssb_on_message_added_callback, _tf_ssb_cleanup_value, ptr);
|
|
}
|
|
else if (strcmp(event_name, "blob_want_added") == 0)
|
|
{
|
|
void* ptr = JS_VALUE_GET_PTR(JS_DupValue(context, callback));
|
|
tf_ssb_add_blob_want_added_callback(ssb, _tf_ssb_on_blob_want_added_callback, _tf_ssb_cleanup_value, ptr);
|
|
}
|
|
}
|
|
|
|
JS_FreeCString(context, event_name);
|
|
return result;
|
|
}
|
|
|
|
static JSValue _tf_ssb_remove_event_listener(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
|
|
{
|
|
tf_ssb_t* ssb = JS_GetOpaque(this_val, _tf_ssb_classId);
|
|
const char* event_name = JS_ToCString(context, argv[0]);
|
|
JSValue callback = argv[1];
|
|
JSValue result = JS_UNDEFINED;
|
|
|
|
if (!event_name)
|
|
{
|
|
result = JS_ThrowTypeError(context, "Expected argument 1 to be a string event name.");
|
|
}
|
|
else if (!JS_IsFunction(context, callback))
|
|
{
|
|
result = JS_ThrowTypeError(context, "Expected argument 2 to be a function.");
|
|
}
|
|
else
|
|
{
|
|
if (strcmp(event_name, "connections") == 0)
|
|
{
|
|
void* ptr = JS_VALUE_GET_PTR(JS_DupValue(context, callback));
|
|
tf_ssb_remove_connections_changed_callback(ssb, _tf_ssb_on_connections_changed_callback, ptr);
|
|
}
|
|
else if (strcmp(event_name, "broadcasts") == 0)
|
|
{
|
|
void* ptr = JS_VALUE_GET_PTR(JS_DupValue(context, callback));
|
|
tf_ssb_remove_broadcasts_changed_callback(ssb, _tf_ssb_on_broadcasts_changed_callback, ptr);
|
|
}
|
|
else if (strcmp(event_name, "message") == 0)
|
|
{
|
|
void* ptr = JS_VALUE_GET_PTR(JS_DupValue(context, callback));
|
|
tf_ssb_remove_message_added_callback(ssb, _tf_ssb_on_message_added_callback, ptr);
|
|
}
|
|
else if (strcmp(event_name, "blob_want_added") == 0)
|
|
{
|
|
void* ptr = JS_VALUE_GET_PTR(JS_DupValue(context, callback));
|
|
tf_ssb_remove_blob_want_added_callback(ssb, _tf_ssb_on_blob_want_added_callback, ptr);
|
|
}
|
|
}
|
|
|
|
JS_FreeCString(context, event_name);
|
|
return result;
|
|
}
|
|
|
|
static JSValue _tf_ssb_hmacsha256_sign(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
|
|
{
|
|
JSValue result = JS_UNDEFINED;
|
|
tf_ssb_t* ssb = JS_GetOpaque(this_val, _tf_ssb_classId);
|
|
|
|
size_t payload_length = 0;
|
|
const char* payload = JS_ToCStringLen(context, &payload_length, argv[0]);
|
|
const char* user = JS_ToCString(context, argv[1]);
|
|
const char* public_key = JS_ToCString(context, argv[2]);
|
|
|
|
uint8_t private_key[crypto_sign_SECRETKEYBYTES];
|
|
if (tf_ssb_db_identity_get_private_key(ssb, user, public_key, private_key, sizeof(private_key)))
|
|
{
|
|
uint8_t signature[crypto_sign_BYTES];
|
|
unsigned long long siglen;
|
|
if (crypto_sign_detached(signature, &siglen, (const uint8_t*)payload, payload_length, private_key) == 0)
|
|
{
|
|
char signature_base64[crypto_sign_BYTES * 2];
|
|
tf_base64_encode(signature, sizeof(signature), signature_base64, sizeof(signature_base64));
|
|
result = JS_NewString(context, signature_base64);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
result = JS_ThrowInternalError(context, "Private key not found.");
|
|
}
|
|
|
|
JS_FreeCString(context, public_key);
|
|
JS_FreeCString(context, user);
|
|
JS_FreeCString(context, payload);
|
|
|
|
return result;
|
|
}
|
|
|
|
static JSValue _tf_ssb_hmacsha256_verify(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
|
|
{
|
|
JSValue result = JS_UNDEFINED;
|
|
|
|
size_t public_key_length = 0;
|
|
const char* public_key = JS_ToCStringLen(context, &public_key_length, argv[0]);
|
|
size_t payload_length = 0;
|
|
const char* payload = JS_ToCStringLen(context, &payload_length, argv[1]);
|
|
size_t signature_length = 0;
|
|
const char* signature = JS_ToCStringLen(context, &signature_length, argv[2]);
|
|
|
|
const char* public_key_start = public_key && *public_key == '@' ? public_key + 1 : public_key;
|
|
const char* public_key_end = strstr(public_key_start, ".ed25519");
|
|
if (!public_key_end)
|
|
{
|
|
public_key_end = public_key_start + strlen(public_key_start);
|
|
}
|
|
|
|
uint8_t bin_public_key[crypto_sign_PUBLICKEYBYTES] = { 0 };
|
|
if (tf_base64_decode(public_key_start, public_key_end - public_key_start, bin_public_key, sizeof(bin_public_key)) > 0)
|
|
{
|
|
uint8_t bin_signature[crypto_sign_BYTES] = { 0 };
|
|
if (tf_base64_decode(signature, signature_length, bin_signature, sizeof(bin_signature)) > 0)
|
|
{
|
|
if (crypto_sign_verify_detached(bin_signature, (const uint8_t*)payload, payload_length, bin_public_key) == 0)
|
|
{
|
|
result = JS_TRUE;
|
|
}
|
|
}
|
|
}
|
|
|
|
JS_FreeCString(context, signature);
|
|
JS_FreeCString(context, payload);
|
|
JS_FreeCString(context, public_key);
|
|
|
|
return result;
|
|
}
|
|
|
|
static JSValue _tf_ssb_createTunnel(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
|
|
{
|
|
JSValue result = JS_UNDEFINED;
|
|
tf_ssb_t* ssb = JS_GetOpaque(this_val, _tf_ssb_classId);
|
|
const char* portal_id = JS_ToCString(context, argv[0]);
|
|
const char* target_id = JS_ToCString(context, argv[1]);
|
|
|
|
tf_ssb_connection_t* connection = tf_ssb_connection_get(ssb, portal_id);
|
|
if (connection)
|
|
{
|
|
int32_t request_number = tf_ssb_connection_next_request_number(connection);
|
|
JSValue message = JS_NewObject(context);
|
|
JSValue name = JS_NewArray(context);
|
|
JS_SetPropertyUint32(context, name, 0, JS_NewString(context, "tunnel"));
|
|
JS_SetPropertyUint32(context, name, 1, JS_NewString(context, "connect"));
|
|
JS_SetPropertyStr(context, message, "name", name);
|
|
JSValue arg = JS_NewObject(context);
|
|
JS_SetPropertyStr(context, arg, "portal", JS_NewString(context, portal_id));
|
|
JS_SetPropertyStr(context, arg, "target", JS_NewString(context, target_id));
|
|
JSValue args = JS_NewArray(context);
|
|
JS_SetPropertyUint32(context, args, 0, arg);
|
|
JS_SetPropertyStr(context, message, "args", args);
|
|
JS_SetPropertyStr(context, message, "type", JS_NewString(context, "duplex"));
|
|
tf_ssb_connection_rpc_send_json(connection, k_ssb_rpc_flag_stream, request_number, message, NULL, NULL, NULL);
|
|
JS_FreeValue(context, message);
|
|
|
|
tf_ssb_connection_tunnel_create(ssb, portal_id, request_number, target_id);
|
|
result = JS_TRUE;
|
|
}
|
|
|
|
JS_FreeCString(context, target_id);
|
|
JS_FreeCString(context, portal_id);
|
|
return result;
|
|
}
|
|
|
|
enum { k_max_private_message_recipients = 8 };
|
|
|
|
static bool _tf_ssb_get_private_key_curve25519(sqlite3* db, const char* user, const char* identity, uint8_t out_private_key[static crypto_sign_SECRETKEYBYTES])
|
|
{
|
|
if (!user || !identity || !out_private_key)
|
|
{
|
|
tf_printf("user=%p identity=%p out_private_key=%p\n", user, identity, out_private_key);
|
|
return false;
|
|
}
|
|
|
|
bool success = false;
|
|
sqlite3_stmt* statement = NULL;
|
|
if (sqlite3_prepare(db, "SELECT private_key FROM identities WHERE user = ? AND public_key = ?", -1, &statement, NULL) == SQLITE_OK)
|
|
{
|
|
if (sqlite3_bind_text(statement, 1, user, -1, NULL) == SQLITE_OK &&
|
|
sqlite3_bind_text(statement, 2, *identity == '@' ? identity + 1 : identity, -1, NULL) == SQLITE_OK)
|
|
{
|
|
while (sqlite3_step(statement) == SQLITE_ROW)
|
|
{
|
|
uint8_t key[crypto_sign_SECRETKEYBYTES] = { 0 };
|
|
int length = tf_base64_decode(
|
|
(const char*)sqlite3_column_text(statement, 0),
|
|
sqlite3_column_bytes(statement, 0) - strlen(".ed25519"),
|
|
key,
|
|
sizeof(key));
|
|
if (length == crypto_sign_SECRETKEYBYTES)
|
|
{
|
|
success = crypto_sign_ed25519_sk_to_curve25519(out_private_key, key) == 0;
|
|
}
|
|
}
|
|
}
|
|
sqlite3_finalize(statement);
|
|
}
|
|
return success;
|
|
}
|
|
|
|
static JSValue _tf_ssb_private_message_encrypt(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
|
|
{
|
|
JSValue result = JS_UNDEFINED;
|
|
int recipient_count = tf_util_get_length(context, argv[2]);
|
|
if (recipient_count < 1 || recipient_count > k_max_private_message_recipients)
|
|
{
|
|
return JS_ThrowRangeError(context, "Number of recipients must be between 1 and %d.", k_max_private_message_recipients);
|
|
}
|
|
|
|
const char* signer_user = JS_ToCString(context, argv[0]);
|
|
const char* signer_identity = JS_ToCString(context, argv[1]);
|
|
uint8_t recipients[k_max_private_message_recipients][crypto_scalarmult_curve25519_SCALARBYTES];
|
|
size_t message_size = 0;
|
|
const char* message = JS_ToCStringLen(context, &message_size, argv[3]);
|
|
for (int i = 0; i < recipient_count && JS_IsUndefined(result); i++)
|
|
{
|
|
JSValue recipient = JS_GetPropertyUint32(context, argv[2], i);
|
|
const char* id = JS_ToCString(context, recipient);
|
|
if (id)
|
|
{
|
|
const char* type = strstr(id, ".ed25519");
|
|
const char* id_start = *id == '@' ? id + 1 : id;
|
|
uint8_t key[crypto_box_PUBLICKEYBYTES] = { 0 };
|
|
if (tf_base64_decode(id_start, type ? (size_t)(type - id_start) : strlen(id_start), key, sizeof(key)) != sizeof(key))
|
|
{
|
|
result = JS_ThrowInternalError(context, "Invalid recipient: %s.\n", id);
|
|
}
|
|
else if (crypto_sign_ed25519_pk_to_curve25519(recipients[i], key) != 0)
|
|
{
|
|
result = JS_ThrowInternalError(context, "Failed to convert recipient ID.\n");
|
|
}
|
|
JS_FreeCString(context, id);
|
|
}
|
|
JS_FreeValue(context, recipient);
|
|
}
|
|
|
|
if (JS_IsUndefined(result))
|
|
{
|
|
tf_ssb_t* ssb = JS_GetOpaque(this_val, _tf_ssb_classId);
|
|
uint8_t private_key[crypto_sign_SECRETKEYBYTES] = { 0 };
|
|
|
|
sqlite3* db = tf_ssb_acquire_db_reader(ssb);
|
|
bool found = _tf_ssb_get_private_key_curve25519(db, signer_user, signer_identity, private_key);
|
|
tf_ssb_release_db_reader(ssb, db);
|
|
|
|
if (found)
|
|
{
|
|
uint8_t public_key[crypto_box_PUBLICKEYBYTES] = { 0 };
|
|
uint8_t secret_key[crypto_box_SECRETKEYBYTES] = { 0 };
|
|
uint8_t nonce[crypto_box_NONCEBYTES] = { 0 };
|
|
uint8_t body_key[crypto_box_SECRETKEYBYTES] = { 0 };
|
|
crypto_box_keypair(public_key, secret_key);
|
|
randombytes_buf(nonce, sizeof(nonce));
|
|
randombytes_buf(body_key, sizeof(body_key));
|
|
|
|
uint8_t length_and_key[1 + sizeof(body_key)];
|
|
length_and_key[0] = (uint8_t)recipient_count;
|
|
memcpy(length_and_key + 1, body_key, sizeof(body_key));
|
|
|
|
size_t payload_size = sizeof(nonce) +
|
|
sizeof(public_key) +
|
|
(crypto_secretbox_MACBYTES + sizeof(length_and_key)) * recipient_count +
|
|
crypto_secretbox_MACBYTES + message_size;
|
|
|
|
uint8_t* payload = tf_malloc(payload_size);
|
|
|
|
uint8_t* p = payload;
|
|
memcpy(p, nonce, sizeof(nonce));
|
|
p += sizeof(nonce);
|
|
|
|
memcpy(p, public_key, sizeof(public_key));
|
|
p += sizeof(public_key);
|
|
|
|
for (int i = 0; i < recipient_count && JS_IsUndefined(result); i++)
|
|
{
|
|
uint8_t shared_secret[crypto_secretbox_KEYBYTES] = { 0 };
|
|
if (crypto_scalarmult(shared_secret, secret_key, recipients[i]) == 0)
|
|
{
|
|
if (crypto_secretbox_easy(p, length_and_key, sizeof(length_and_key), nonce, shared_secret) != 0)
|
|
{
|
|
result = JS_ThrowInternalError(context, "crypto_secretbox_easy failed");
|
|
}
|
|
else
|
|
{
|
|
p += crypto_secretbox_MACBYTES + sizeof(length_and_key);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
result = JS_ThrowInternalError(context, "crypto_scalarmult failed");
|
|
}
|
|
}
|
|
|
|
if (JS_IsUndefined(result))
|
|
{
|
|
if (crypto_secretbox_easy(p, (const uint8_t*)message, message_size, nonce, body_key) != 0)
|
|
{
|
|
result = JS_ThrowInternalError(context, "crypto_secretbox_easy failed for the message.\n");
|
|
}
|
|
else
|
|
{
|
|
p += crypto_secretbox_MACBYTES + message_size;
|
|
assert((size_t)(p - payload) == payload_size);
|
|
|
|
char* encoded = tf_malloc(payload_size * 2 + 5);
|
|
size_t encoded_length = tf_base64_encode(payload, payload_size, encoded, payload_size * 2 + 5);
|
|
memcpy(encoded + encoded_length, ".box", 5);
|
|
encoded_length += 4;
|
|
result = JS_NewStringLen(context, encoded, encoded_length);
|
|
tf_free(encoded);
|
|
}
|
|
}
|
|
tf_free(payload);
|
|
}
|
|
else
|
|
{
|
|
result = JS_ThrowInternalError(context, "Unable to get key for ID %s of user %s.", signer_identity, signer_user);
|
|
}
|
|
}
|
|
|
|
JS_FreeCString(context, signer_user);
|
|
JS_FreeCString(context, signer_identity);
|
|
JS_FreeCString(context, message);
|
|
return result;
|
|
|
|
}
|
|
|
|
static JSValue _tf_ssb_private_message_decrypt(JSContext* context, JSValueConst this_val, int argc, JSValueConst* argv)
|
|
{
|
|
JSValue result = JS_UNDEFINED;
|
|
const char* user = JS_ToCString(context, argv[0]);
|
|
const char* identity = JS_ToCString(context, argv[1]);
|
|
size_t message_size = 0;
|
|
const char* message = JS_ToCStringLen(context, &message_size, argv[2]);
|
|
|
|
uint8_t private_key[crypto_sign_SECRETKEYBYTES] = { 0 };
|
|
|
|
tf_ssb_t* ssb = JS_GetOpaque(this_val, _tf_ssb_classId);
|
|
sqlite3* db = tf_ssb_acquire_db_reader(ssb);
|
|
bool found = _tf_ssb_get_private_key_curve25519(db, user, identity, private_key);
|
|
tf_ssb_release_db_reader(ssb, db);
|
|
|
|
if (found)
|
|
{
|
|
uint8_t* decoded = tf_malloc(message_size);
|
|
int decoded_length = tf_base64_decode(message, message_size - strlen(".box"), decoded, message_size);
|
|
uint8_t* nonce = decoded;
|
|
uint8_t* public_key = decoded + crypto_box_NONCEBYTES;
|
|
if (public_key + crypto_secretbox_KEYBYTES < decoded + decoded_length)
|
|
{
|
|
uint8_t shared_secret[crypto_secretbox_KEYBYTES] = { 0 };
|
|
if (crypto_scalarmult(shared_secret, private_key, public_key) == 0)
|
|
{
|
|
enum { k_recipient_header_bytes = crypto_secretbox_MACBYTES + sizeof(uint8_t) + crypto_secretbox_KEYBYTES };
|
|
for (uint8_t* p = decoded + crypto_box_NONCEBYTES + crypto_secretbox_KEYBYTES; p <= decoded + decoded_length - k_recipient_header_bytes; p += k_recipient_header_bytes)
|
|
{
|
|
uint8_t out[k_recipient_header_bytes] = { 0 };
|
|
int opened = crypto_secretbox_open_easy(out, p, k_recipient_header_bytes, nonce, shared_secret);
|
|
if (opened != -1)
|
|
{
|
|
int recipients = (int)out[0];
|
|
uint8_t* body = decoded + crypto_box_NONCEBYTES + crypto_secretbox_KEYBYTES + k_recipient_header_bytes * recipients;
|
|
size_t body_size = decoded + decoded_length - body;
|
|
uint8_t* decrypted = tf_malloc(body_size);
|
|
uint8_t* key = out + 1;
|
|
if (crypto_secretbox_open_easy(decrypted, body, body_size, nonce, key) != -1)
|
|
{
|
|
result = JS_NewStringLen(context, (const char*)decrypted, body_size - crypto_secretbox_MACBYTES);
|
|
}
|
|
else
|
|
{
|
|
result = JS_ThrowInternalError(context, "Received key to open secret box containing message body, but it did not work.");
|
|
}
|
|
tf_free(decrypted);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
result = JS_ThrowInternalError(context, "crypto_scalarmult failed.");
|
|
}
|
|
}
|
|
else
|
|
{
|
|
result = JS_ThrowInternalError(context, "Encrypted message was not long enough to contains its one-time public key.");
|
|
}
|
|
tf_free(decoded);
|
|
}
|
|
else
|
|
{
|
|
result = JS_ThrowInternalError(context, "Private key not found for user %s with id %s.", user, identity);
|
|
}
|
|
|
|
JS_FreeCString(context, user);
|
|
JS_FreeCString(context, identity);
|
|
JS_FreeCString(context, message);
|
|
|
|
return result;
|
|
}
|
|
|
|
void tf_ssb_register(JSContext* context, tf_ssb_t* ssb)
|
|
{
|
|
JS_NewClassID(&_tf_ssb_classId);
|
|
JSClassDef def =
|
|
{
|
|
.class_name = "ssb",
|
|
};
|
|
if (JS_NewClass(JS_GetRuntime(context), _tf_ssb_classId, &def) != 0)
|
|
{
|
|
fprintf(stderr, "Failed to register ssb.\n");
|
|
}
|
|
|
|
JSValue global = JS_GetGlobalObject(context);
|
|
JSValue object = JS_NewObjectClass(context, _tf_ssb_classId);
|
|
JS_SetPropertyStr(context, global, "ssb", object);
|
|
JS_SetOpaque(object, ssb);
|
|
|
|
/* Requires an identity. */
|
|
JS_SetPropertyStr(context, object, "createIdentity", JS_NewCFunction(context, _tf_ssb_createIdentity, "createIdentity", 1));
|
|
JS_SetPropertyStr(context, object, "getIdentities", JS_NewCFunction(context, _tf_ssb_getIdentities, "getIdentities", 1));
|
|
JS_SetPropertyStr(context, object, "hmacsha256sign", JS_NewCFunction(context, _tf_ssb_hmacsha256_sign, "hmacsha256sign", 3));
|
|
JS_SetPropertyStr(context, object, "hmacsha256verify", JS_NewCFunction(context, _tf_ssb_hmacsha256_verify, "hmacsha256verify", 3));
|
|
JS_SetPropertyStr(context, object, "privateMessageEncrypt", JS_NewCFunction(context, _tf_ssb_private_message_encrypt, "privateMessageEncrypt", 4));
|
|
JS_SetPropertyStr(context, object, "privateMessageDecrypt", JS_NewCFunction(context, _tf_ssb_private_message_decrypt, "privateMessageDecrypt", 3));
|
|
/* Write. */
|
|
JS_SetPropertyStr(context, object, "appendMessageWithIdentity", JS_NewCFunction(context, _tf_ssb_appendMessageWithIdentity, "appendMessageWithIdentity", 3));
|
|
|
|
/* Does not require an identity. */
|
|
JS_SetPropertyStr(context, object, "getAllIdentities", JS_NewCFunction(context, _tf_ssb_getAllIdentities, "getAllIdentities", 0));
|
|
JS_SetPropertyStr(context, object, "getMessage", JS_NewCFunction(context, _tf_ssb_getMessage, "getMessage", 2));
|
|
JS_SetPropertyStr(context, object, "blobGet", JS_NewCFunction(context, _tf_ssb_blobGet, "blobGet", 1));
|
|
JS_SetPropertyStr(context, object, "messageContentGet", JS_NewCFunction(context, _tf_ssb_messageContentGet, "messageContentGet", 1));
|
|
JS_SetPropertyStr(context, object, "connections", JS_NewCFunction(context, _tf_ssb_connections, "connections", 0));
|
|
JS_SetPropertyStr(context, object, "storedConnections", JS_NewCFunction(context, _tf_ssb_storedConnections, "storedConnections", 0));
|
|
JS_SetPropertyStr(context, object, "getConnection", JS_NewCFunction(context, _tf_ssb_getConnection, "getConnection", 1));
|
|
JS_SetPropertyStr(context, object, "closeConnection", JS_NewCFunction(context, _tf_ssb_closeConnection, "closeConnection", 1));
|
|
JS_SetPropertyStr(context, object, "forgetStoredConnection", JS_NewCFunction(context, _tf_ssb_forgetStoredConnection, "forgetStoredConnection", 1));
|
|
JS_SetPropertyStr(context, object, "sqlAsync", JS_NewCFunction(context, _tf_ssb_sqlAsync, "sqlAsync", 3));
|
|
JS_SetPropertyStr(context, object, "getBroadcasts", JS_NewCFunction(context, _tf_ssb_getBroadcasts, "getBroadcasts", 0));
|
|
JS_SetPropertyStr(context, object, "connect", JS_NewCFunction(context, _tf_ssb_connect, "connect", 1));
|
|
JS_SetPropertyStr(context, object, "createTunnel", JS_NewCFunction(context, _tf_ssb_createTunnel, "createTunnel", 3));
|
|
/* Write. */
|
|
JS_SetPropertyStr(context, object, "storeMessage", JS_NewCFunction(context, _tf_ssb_storeMessage, "storeMessage", 1));
|
|
JS_SetPropertyStr(context, object, "blobStore", JS_NewCFunction(context, _tf_ssb_blobStore, "blobStore", 2));
|
|
|
|
/* Should be trusted only. */
|
|
JS_SetPropertyStr(context, object, "addEventListener", JS_NewCFunction(context, _tf_ssb_add_event_listener, "addEventListener", 2));
|
|
JS_SetPropertyStr(context, object, "removeEventListener", JS_NewCFunction(context, _tf_ssb_remove_event_listener, "removeEventListener", 2));
|
|
|
|
JS_FreeValue(context, global);
|
|
}
|