Add await registry-informed getTypes method with smart entity tag validation

fuck type coloring madness

src/components/form/LookupInput.tsx

@@ -46,7 +46,7 @@ type LookupInputProps = {
   onChange?: (target: {
     target: string;
     targetType: TargetType | null;
-  }) => void;
+  }) => Promise<void>;
   detectedType: Maybe<TargetType>;
 };
 
@@ -155,7 +155,7 @@ const LookupInput: FunctionComponent<LookupInputProps> = ({
         required: true,
         onChange: () => {
           if (onChange != undefined)
-            onChange({
+            void onChange({
               target: getValues("target"),
               // dropdown target will be pulled from state anyways, so no need to provide it here
               targetType: retrieveTargetType(null),
@@ -172,7 +172,7 @@ const LookupInput: FunctionComponent<LookupInputProps> = ({
         setSelected(value);
 
         if (onChange != undefined)
-          onChange({
+          void onChange({
             target: getValues("target"),
             // we provide the value as the state will not have updated yet for this context
             targetType: retrieveTargetType(value),

src/hooks/useLookup.tsx

@@ -1,4 +1,4 @@
-import { useEffect, useMemo, useRef, useState } from "react";
+import { useCallback, useEffect, useMemo, useRef, useState } from "react";
 import { domainMatchPredicate, getBestURL, getType } from "@/rdap";
 import type {
   AutonomousNumber,
@@ -43,19 +43,19 @@ const useLookup = (warningHandler?: WarningHandler) => {
 
   const [error, setError] = useState<string | null>(null);
   const [target, setTarget] = useState<string>("");
+  const [uriType, setUriType] = useState<Maybe<TargetType>>(Maybe.nothing());
+
   // Used by a callback on LookupInput to forcibly set the type of the lookup.
   const [currentType, setTargetType] = useState<TargetType | null>(null);
 
   // Used to allow repeatable lookups when weird errors happen.
   const repeatableRef = useRef<string>("");
 
-  const uriType = useMemo<Maybe<TargetType>>(
-    function () {
-      if (currentType != null) return Maybe.just(currentType);
-      return getType(target).mapOr(Maybe.nothing(), (type) => Maybe.just(type));
-    },
-    [target, currentType]
-  );
+  useCallback(async () => {
+    if (currentType != null) return Maybe.just(currentType);
+    const uri: Maybe<TargetType> = (await getTypeEasy(target)).mapOr(Maybe.nothing(), (type) => Maybe.just(type));
+    setUriType(uri);
+  }, [target, currentType])
 
   // Fetch & load a specific registry's data into memory.
   async function loadBootstrap(type: RootRegistryType, force = false) {
@@ -81,6 +81,20 @@ const useLookup = (warningHandler?: WarningHandler) => {
     };
   }
 
+  async function getRegistry(type: RootRegistryType): Promise<Register> {
+    if (registryDataRef.current[type] == null) await loadBootstrap(type);
+    if (registryDataRef.current[type] == null)
+      throw new Error(
+        `Could not load bootstrap data for ${type} registry.`
+      );
+    return registryDataRef.current[type];
+  }
+
+  async function getTypeEasy(target: string): Promise<Result<TargetType, Error>> {
+    return getType(target, getRegistry);
+  }
+
+
   function getRegistryURL(
     type: RootRegistryType,
     lookupTarget: string
@@ -232,7 +246,7 @@ const useLookup = (warningHandler?: WarningHandler) => {
         new Error("A target must be given in order to execute a lookup.")
       );
 
-    const targetType = getType(target);
+    const targetType = await getTypeEasy(target);
 
     if (targetType.isErr) {
       return Result.err(
@@ -365,7 +379,7 @@ const useLookup = (warningHandler?: WarningHandler) => {
     }
   }
 
-  return { error, setTarget, setTargetType, submit, currentType: uriType };
+  return { error, setTarget, setTargetType, submit, currentType: uriType, getType: getTypeEasy };
 };
 
 export default useLookup;

src/pages/index.tsx

@@ -9,10 +9,9 @@ import LookupInput from "@/components/form/LookupInput";
 import ErrorCard from "@/components/common/ErrorCard";
 import { Maybe } from "true-myth";
 import type { TargetType } from "@/types";
-import { getType } from "@/rdap";
 
 const Index: NextPage = () => {
-  const { error, setTarget, setTargetType, submit } = useLookup();
+  const { error, setTarget, setTargetType, submit, getType } = useLookup();
   const [detectedType, setDetectedType] = useState<Maybe<TargetType>>(
     Maybe.nothing()
   );
@@ -46,11 +45,11 @@ const Index: NextPage = () => {
           <LookupInput
             isLoading={isLoading}
             detectedType={detectedType}
-            onChange={({ target, targetType }) => {
+            onChange={async ({ target, targetType }) => {
               setTarget(target);
               setTargetType(targetType);
 
-              const detectResult = getType(target);
+              const detectResult = await getType(target);
               if (detectResult.isOk) {
                 setDetectedType(Maybe.just(detectResult.value));
               } else {

src/rdap.ts

@@ -1,4 +1,4 @@
-import type { TargetType } from "@/types";
+import type { Register, RootRegistryType, TargetType } from "@/types";
 import { Result } from "true-myth";
 
 // const cardTitles = {
@@ -757,19 +757,54 @@ export function createRDAPLink(url, title) {
 }
 */
 
-const TypeValidators: Record<TargetType, (value: string) => boolean> = {
-  autnum: (value) => /^AS\d+$/.test(value),
-  ip4: (value) => /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\/?\d*$/.test(value),
-  ip6: (value) => /^[0-9a-f:]{2,}\/?\d*$/.test(value),
-  url: (value) => /^https?:/.test(value),
-  json: (value) => /^{/.test(value),
-  tld: (value) => /^\.\w+$/.test(value),
-  domain: (value) =>
-    /[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?\.[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?/.test(
-      value
-    ),
-  entity: (value) => false,
-  registrar: (value) => false,
+type ValidatorArgs = {
+  value: string;
+  getRegistry: (type: RootRegistryType) => Promise<Register>;
+};
+
+const TypeValidators: Record<
+  TargetType,
+  (args: ValidatorArgs) => Promise<boolean>
+> = {
+  autnum: ({ value }) => Promise.resolve(/^AS\d+$/.test(value)),
+  ip4: ({ value }) =>
+    Promise.resolve(/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\/?\d*$/.test(value)),
+  ip6: ({ value }) => Promise.resolve(/^[0-9a-f:]{2,}\/?\d*$/.test(value)),
+  url: ({ value }) => Promise.resolve(/^https?:/.test(value)),
+  json: ({ value }) => Promise.resolve(/^{/.test(value)),
+  tld: ({ value }) => Promise.resolve(/^\.\w+$/.test(value)),
+  domain: ({ value }) => {
+    return Promise.resolve(
+      /[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?\.[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?/.test(
+        value
+      )
+    );
+  },
+  entity: async ({ value, getRegistry }) => {
+    // Ensure the entity handle is in the correct format
+    const result = value.match(/^\w+-(\w+)$/);
+    if (result === null || result.length <= 1 || result[1] == undefined) return false;
+
+    // Check if the entity object tag is real
+    try {
+        const registry = await getRegistry("entity");
+
+        // Check each service to see if tag starts with inputted value
+        for (const service of registry.services) {
+            const tags = service[1];
+            console.log({tags, result});
+            if (tags.some((tag) => tag.startsWith(result[1] as string))) return true;
+        }
+
+        return false;
+    } catch (e) {
+        console.error(new Error("Failed to fetch entity registry", {cause: e}));
+        return false;
+    }
+
+    return true;
+  },
+  registrar: ({ }) => Promise.resolve(false),
 };
 
 /**
@@ -779,9 +814,12 @@ const TypeValidators: Record<TargetType, (value: string) => boolean> = {
  * @returns A `Result` object containing the determined `TargetType` if a match is found,
  *          otherwise an `Error` object.
  */
-export function getType(value: string): Result<TargetType, Error> {
+export async function getType(
+  value: string,
+  getRegistry: (type: RootRegistryType) => Promise<Register>
+): Promise<Result<TargetType, Error>> {
   for (const [type, validator] of Object.entries(TypeValidators)) {
-    if (validator(value)) return Result.ok(type);
+    if (await validator({ value, getRegistry })) return Result.ok(type);
   }
   return Result.err(new Error("No patterns matched the input"));
 }