Extract capability token module

CMakeLists.txt

@@ -24,7 +24,7 @@ target_link_libraries(amduat_federation
   PRIVATE amduat_asl amduat_enc amduat_util amduat_fed
 )
 
-set(amduatd_sources src/amduatd.c)
+set(amduatd_sources src/amduatd.c src/amduatd_caps.c)
 if(AMDUATD_ENABLE_UI)
   list(APPEND amduatd_sources src/amduatd_ui.c)
 endif()

src/amduatd_caps.h

@@ -0,0 +1,48 @@
+#ifndef AMDUATD_CAPS_H
+#define AMDUATD_CAPS_H
+
+#include "amduatd_ui.h"
+
+#include <stdbool.h>
+#include <stddef.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct amduatd_cfg_t {
+  const char *space_id;
+  bool space_enabled;
+  bool migrate_unscoped_edges;
+} amduatd_cfg_t;
+
+typedef enum {
+  AMDUATD_REF_OK = 0,
+  AMDUATD_REF_ERR_INVALID = 1,
+  AMDUATD_REF_ERR_NOT_FOUND = 2,
+  AMDUATD_REF_ERR_INTERNAL = 3
+} amduatd_ref_status_t;
+
+typedef struct amduatd_caps_t {
+  bool enabled;
+  bool enable_cap_reads;
+  amduat_octets_t hmac_key;
+} amduatd_caps_t;
+
+bool amduatd_caps_init(amduatd_caps_t *caps,
+                       const amduatd_cfg_t *cfg,
+                       const char *root_path);
+
+void amduatd_caps_free(amduatd_caps_t *caps);
+
+bool amduatd_caps_can_handle(const amduatd_http_req_t *req);
+
+bool amduatd_caps_handle(amduatd_ctx_t *ctx,
+                         const amduatd_http_req_t *req,
+                         amduatd_http_resp_t *resp);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* AMDUATD_CAPS_H */

src/amduatd_ui.h

@@ -1,6 +1,7 @@
 #ifndef AMDUATD_UI_H
 #define AMDUATD_UI_H
 
+#include "amduat/asl/asl_store_fs_meta.h"
 #include "amduat/asl/store.h"
 
 #include <stdbool.h>
@@ -11,6 +12,10 @@
 #define AMDUATD_ENABLE_UI 1
 #endif
 
+typedef struct amduatd_caps_t amduatd_caps_t;
+typedef struct amduatd_cfg_t amduatd_cfg_t;
+typedef struct amduatd_concepts_t amduatd_concepts_t;
+
 typedef struct {
   char method[8];
   char path[1024];
@@ -33,6 +38,11 @@ typedef struct {
 typedef struct {
   amduat_asl_store_t *store;
   amduat_reference_t ui_ref;
+  const amduat_asl_store_fs_config_t *store_cfg;
+  amduatd_concepts_t *concepts;
+  const amduatd_cfg_t *daemon_cfg;
+  const char *root_path;
+  amduatd_caps_t *caps;
 } amduatd_ctx_t;
 
 #if AMDUATD_ENABLE_UI