feat(metadata): add safe path validation

data/metadata.json

@@ -0,0 +1,58 @@
+[
+  "umd_landsat_alerts",
+  "gfw_integrated_alerts",
+  "umd_glad_sentinel2_alerts",
+  "wur_radd_alerts",
+  "nasa_viirs_fire_alerts",
+  "umd_tree_cover_loss_from_fires",
+  "umd_tree_cover_gain_from_height",
+  "umd_tree_cover_loss",
+  "gfw_emerging_hot_spots",
+  "tsc_tree_cover_loss_drivers",
+  "umd_adm0_net_tree_cover_change_from_height",
+  "umd_tree_cover_density_2000",
+  "umd_tree_cover_density_2000",
+  "wri_tropical_tree_cover",
+  "wri_tropical_tree_cover",
+  "umd_regional_primary_forest_2001",
+  "umd_tree_cover_height_2020",
+  "wcs_forest_landscape_integrity_index",
+  "ifl_intact_forest_landscapes",
+  "esa_land_cover_2015",
+  "umd_soy_planted_area",
+  "gfw_planted_forests",
+  "gfw_peatlands",
+  "gmw_global_mangrove_extent",
+  "mapbiomas_bra_land_cover",
+  "ibge_bra_biomes",
+  "idn_land_cover_2017",
+  "gfw_managed_forests",
+  "gfw_mining_concessions",
+  "gfw_oil_palm",
+  "gfw_west_africa_cocoa_plot_density",
+  "gfw_universal_mill_list",
+  "rspo_oil_palm",
+  "gfw_oil_gas",
+  "gfw_wood_fiber",
+  "wdpa_protected_areas",
+  "intl_rivers_dam_hotspots",
+  "landmark_indigenous_and_community_lands",
+  "landmark_natural_resource_rights",
+  "licadho_khm_economic_land_concessions",
+  "haka_idn_leuser",
+  "idn_forest_area",
+  "idn_forest_moratorium",
+  "osinfor_per_forest_concessions",
+  "osinfor_per_forest_concessions",
+  "osinfor_peru_permanent_production_forests",
+  "gfw_forest_carbon_gross_emissions",
+  "gfw_forest_carbon_net_flux",
+  "gfw_forest_carbon_gross_removals",
+  "whrc_aboveground_biomass_stock_2000",
+  "birdlife_biodiversity_intactness",
+  "birdlife_biodiversity_significance",
+  "birdlife_alliance_for_zero_extinction_sites",
+  "birdlife_key_biodiversity_areas",
+  "ci_biodiversity_hotspots",
+  "birdlife_endemic_bird_areas"
+]

pages/api/metadata/[...params].js

@@ -1,14 +1,19 @@
-import { GFW_DATA_API, GFW_STAGING_DATA_API } from 'utils/apis';
+import { GFW_DATA_API } from 'utils/apis';
 import axios from 'axios';
 
-const ENVIRONMENT = process.env.NEXT_PUBLIC_FEATURE_ENV;
-const GFW_METADATA_API_URL =
-  ENVIRONMENT === 'staging' ? GFW_STAGING_DATA_API : GFW_DATA_API;
+import METADATA_LIST from '../../../data/metadata.json';
 
 export default async (req, res) => {
   try {
-    const path = req.query.params.join('/');
-    const url = `${GFW_METADATA_API_URL}/${path}`;
+    const userPath = req.query.params[1];
+    const safePath = METADATA_LIST.includes(userPath);
+
+    if (!safePath) {
+      return res.status(400).end('Invalid path');
+    }
+
+    const url = `${GFW_DATA_API}/dataset/${userPath}`;
+
     const datasetMetadata = await axios.get(url);
     const datasetVersionMetadata = await axios.get(`${url}/latest/metadata`);