feat(lander): support DELETE requests

src/lander/lander.c

@@ -19,6 +19,14 @@ http_route lander_routes[] = {
         .steps_res = {http_loop_step_write_header, lander_stream_body_to_client,
                       NULL},
     },
+    {
+        .type = http_route_regex,
+        .method = http_delete,
+        .path = "^/([^/]+)$",
+        .steps = {http_loop_step_auth, lander_remove_entry, NULL},
+        .steps_res = {http_loop_step_write_header, http_loop_step_write_body,
+                      NULL},
+    },
     {
         .type = http_route_regex,
         .method = http_post,

src/lander/lander_delete.c

@@ -0,0 +1,29 @@
+#include "lander.h"
+
+bool lander_remove_entry(event_loop_conn *conn) {
+  http_loop_ctx *ctx = conn->ctx;
+  lander_ctx *c_ctx = ctx->c;
+  http_loop_gctx *gctx = ctx->g;
+  lander_gctx *c_gctx = gctx->c;
+
+  const char *key_s = &ctx->req.path[ctx->req.regex_groups[1].rm_so];
+  int key_len = ctx->req.regex_groups[1].rm_eo - ctx->req.regex_groups[1].rm_so;
+
+  lsm_str *key;
+  lsm_str_init_copy_n(&key, (char *)key_s, key_len);
+
+  switch (lsm_store_open_write(&c_ctx->entry, c_gctx->store, key)) {
+  case lsm_error_ok:
+    break;
+  case lsm_error_not_found:
+    ctx->res.status = http_not_found;
+    return true;
+  default:
+    ctx->res.status = http_internal_server_error;
+    return true;
+  }
+
+  lsm_entry_remove(c_ctx->entry);
+
+  return true;
+}