strictNullChecks (#4666)

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11 files changed, 77 insertions, 43 deletions

diff --git a/src/queue/index.ts b/src/queue/index.ts
index 728c43c6ac..1ab59fd18f 100644
--- a/src/queue/index.ts
+++ b/src/queue/index.ts
@@ -12,7 +12,7 @@ import { queueLogger } from './logger';
 import { DriveFile } from '../models/entities/drive-file';
 
 function initializeQueue(name: string) {
-	return new Queue(name, config.redis != null ? {
+	return new Queue(name, {
 		redis: {
 			port: config.redis.port,
 			host: config.redis.host,
@@ -20,7 +20,7 @@ function initializeQueue(name: string) {
 			db: config.redis.db || 0,
 		},
 		prefix: config.redis.prefix ? `${config.redis.prefix}:queue` : 'queue'
-	} : null);
+	});
 }
 
 export const deliverQueue = initializeQueue('deliver');
diff --git a/src/queue/processors/db/delete-drive-files.ts b/src/queue/processors/db/delete-drive-files.ts
index 5f347fb588..491734acc6 100644
--- a/src/queue/processors/db/delete-drive-files.ts
+++ b/src/queue/processors/db/delete-drive-files.ts
@@ -10,9 +10,11 @@ const logger = queueLogger.createSubLogger('delete-drive-files');
 export async function deleteDriveFiles(job: Bull.Job, done: any): Promise<void> {
 	logger.info(`Deleting drive files of ${job.data.user.id} ...`);
 
-	const user = await Users.findOne({
-		id: job.data.user.id
-	});
+	const user = await Users.findOne(job.data.user.id);
+	if (user == null) {
+		done();
+		return;
+	}
 
 	let deletedCount = 0;
 	let ended = false;
diff --git a/src/queue/processors/db/export-blocking.ts b/src/queue/processors/db/export-blocking.ts
index c12aa4fca3..44025ec960 100644
--- a/src/queue/processors/db/export-blocking.ts
+++ b/src/queue/processors/db/export-blocking.ts
@@ -14,9 +14,11 @@ const logger = queueLogger.createSubLogger('export-blocking');
 export async function exportBlocking(job: Bull.Job, done: any): Promise<void> {
 	logger.info(`Exporting blocking of ${job.data.user.id} ...`);
 
-	const user = await Users.findOne({
-		id: job.data.user.id
-	});
+	const user = await Users.findOne(job.data.user.id);
+	if (user == null) {
+		done();
+		return;
+	}
 
 	// Create temp file
 	const [path, cleanup] = await new Promise<[string, any]>((res, rej) => {
@@ -56,6 +58,10 @@ export async function exportBlocking(job: Bull.Job, done: any): Promise<void> {
 
 		for (const block of blockings) {
 			const u = await Users.findOne({ id: block.blockeeId });
+			if (u == null) {
+				exportedCount++; continue;
+			}
+
 			const content = getFullApAccount(u.username, u.host);
 			await new Promise((res, rej) => {
 				stream.write(content + '\n', err => {
diff --git a/src/queue/processors/db/export-following.ts b/src/queue/processors/db/export-following.ts
index fb30df79fe..81dcf8f93e 100644
--- a/src/queue/processors/db/export-following.ts
+++ b/src/queue/processors/db/export-following.ts
@@ -14,9 +14,11 @@ const logger = queueLogger.createSubLogger('export-following');
 export async function exportFollowing(job: Bull.Job, done: any): Promise<void> {
 	logger.info(`Exporting following of ${job.data.user.id} ...`);
 
-	const user = await Users.findOne({
-		id: job.data.user.id
-	});
+	const user = await Users.findOne(job.data.user.id);
+	if (user == null) {
+		done();
+		return;
+	}
 
 	// Create temp file
 	const [path, cleanup] = await new Promise<[string, any]>((res, rej) => {
@@ -56,6 +58,10 @@ export async function exportFollowing(job: Bull.Job, done: any): Promise<void> {
 
 		for (const following of followings) {
 			const u = await Users.findOne({ id: following.followeeId });
+			if (u == null) {
+				exportedCount++; continue;
+			}
+
 			const content = getFullApAccount(u.username, u.host);
 			await new Promise((res, rej) => {
 				stream.write(content + '\n', err => {
diff --git a/src/queue/processors/db/export-mute.ts b/src/queue/processors/db/export-mute.ts
index 3aed526dc5..f810b6ee8d 100644
--- a/src/queue/processors/db/export-mute.ts
+++ b/src/queue/processors/db/export-mute.ts
@@ -14,9 +14,11 @@ const logger = queueLogger.createSubLogger('export-mute');
 export async function exportMute(job: Bull.Job, done: any): Promise<void> {
 	logger.info(`Exporting mute of ${job.data.user.id} ...`);
 
-	const user = await Users.findOne({
-		id: job.data.user.id
-	});
+	const user = await Users.findOne(job.data.user.id);
+	if (user == null) {
+		done();
+		return;
+	}
 
 	// Create temp file
 	const [path, cleanup] = await new Promise<[string, any]>((res, rej) => {
@@ -56,6 +58,10 @@ export async function exportMute(job: Bull.Job, done: any): Promise<void> {
 
 		for (const mute of mutes) {
 			const u = await Users.findOne({ id: mute.muteeId });
+			if (u == null) {
+				exportedCount++; continue;
+			}
+
 			const content = getFullApAccount(u.username, u.host);
 			await new Promise((res, rej) => {
 				stream.write(content + '\n', err => {
diff --git a/src/queue/processors/db/export-notes.ts b/src/queue/processors/db/export-notes.ts
index 92867ad82e..eaa5caf63f 100644
--- a/src/queue/processors/db/export-notes.ts
+++ b/src/queue/processors/db/export-notes.ts
@@ -9,15 +9,18 @@ import { Users, Notes, Polls } from '../../../models';
 import { MoreThan } from 'typeorm';
 import { Note } from '../../../models/entities/note';
 import { Poll } from '../../../models/entities/poll';
+import { ensure } from '../../../prelude/ensure';
 
 const logger = queueLogger.createSubLogger('export-notes');
 
 export async function exportNotes(job: Bull.Job, done: any): Promise<void> {
 	logger.info(`Exporting notes of ${job.data.user.id} ...`);
 
-	const user = await Users.findOne({
-		id: job.data.user.id
-	});
+	const user = await Users.findOne(job.data.user.id);
+	if (user == null) {
+		done();
+		return;
+	}
 
 	// Create temp file
 	const [path, cleanup] = await new Promise<[string, any]>((res, rej) => {
@@ -67,9 +70,9 @@ export async function exportNotes(job: Bull.Job, done: any): Promise<void> {
 		cursor = notes[notes.length - 1].id;
 
 		for (const note of notes) {
-			let poll: Poll;
+			let poll: Poll | undefined;
 			if (note.hasPoll) {
-				poll = await Polls.findOne({ noteId: note.id });
+				poll = await Polls.findOne({ noteId: note.id }).then(ensure);
 			}
 			const content = JSON.stringify(serialize(note, poll));
 			await new Promise((res, rej) => {
@@ -114,7 +117,7 @@ export async function exportNotes(job: Bull.Job, done: any): Promise<void> {
 	done();
 }
 
-function serialize(note: Note, poll: Poll): any {
+function serialize(note: Note, poll: Poll | null = null): any {
 	return {
 		id: note.id,
 		text: note.text,
diff --git a/src/queue/processors/db/export-user-lists.ts b/src/queue/processors/db/export-user-lists.ts
index f3987cb0d2..5cd978c1aa 100644
--- a/src/queue/processors/db/export-user-lists.ts
+++ b/src/queue/processors/db/export-user-lists.ts
@@ -14,9 +14,11 @@ const logger = queueLogger.createSubLogger('export-user-lists');
 export async function exportUserLists(job: Bull.Job, done: any): Promise<void> {
 	logger.info(`Exporting user lists of ${job.data.user.id} ...`);
 
-	const user = await Users.findOne({
-		id: job.data.user.id
-	});
+	const user = await Users.findOne(job.data.user.id);
+	if (user == null) {
+		done();
+		return;
+	}
 
 	const lists = await UserLists.find({
 		userId: user.id
diff --git a/src/queue/processors/db/import-following.ts b/src/queue/processors/db/import-following.ts
index aae24b22d6..8de3193e46 100644
--- a/src/queue/processors/db/import-following.ts
+++ b/src/queue/processors/db/import-following.ts
@@ -13,13 +13,19 @@ const logger = queueLogger.createSubLogger('import-following');
 export async function importFollowing(job: Bull.Job, done: any): Promise<void> {
 	logger.info(`Importing following of ${job.data.user.id} ...`);
 
-	const user = await Users.findOne({
-		id: job.data.user.id
-	});
+	const user = await Users.findOne(job.data.user.id);
+	if (user == null) {
+		done();
+		return;
+	}
 
 	const file = await DriveFiles.findOne({
 		id: job.data.fileId
 	});
+	if (file == null) {
+		done();
+		return;
+	}
 
 	const csv = await downloadTextFile(file.url);
 
@@ -31,11 +37,11 @@ export async function importFollowing(job: Bull.Job, done: any): Promise<void> {
 		try {
 			const { username, host } = parseAcct(line.trim());
 
-			let target = isSelfHost(host) ? await Users.findOne({
+			let target = isSelfHost(host!) ? await Users.findOne({
 				host: null,
 				usernameLower: username.toLowerCase()
 			}) : await Users.findOne({
-				host: toPuny(host),
+				host: toPuny(host!),
 				usernameLower: username.toLowerCase()
 			});
 
diff --git a/src/queue/processors/db/import-user-lists.ts b/src/queue/processors/db/import-user-lists.ts
index c7273ea6b4..1e852be945 100644
--- a/src/queue/processors/db/import-user-lists.ts
+++ b/src/queue/processors/db/import-user-lists.ts
@@ -14,13 +14,19 @@ const logger = queueLogger.createSubLogger('import-user-lists');
 export async function importUserLists(job: Bull.Job, done: any): Promise<void> {
 	logger.info(`Importing user lists of ${job.data.user.id} ...`);
 
-	const user = await Users.findOne({
-		id: job.data.user.id
-	});
+	const user = await Users.findOne(job.data.user.id);
+	if (user == null) {
+		done();
+		return;
+	}
 
 	const file = await DriveFiles.findOne({
 		id: job.data.fileId
 	});
+	if (file == null) {
+		done();
+		return;
+	}
 
 	const csv = await downloadTextFile(file.url);
 
@@ -43,22 +49,20 @@ export async function importUserLists(job: Bull.Job, done: any): Promise<void> {
 			});
 		}
 
-		let target = isSelfHost(host) ? await Users.findOne({
+		let target = isSelfHost(host!) ? await Users.findOne({
 			host: null,
 			usernameLower: username.toLowerCase()
 		}) : await Users.findOne({
-			host: toPuny(host),
+			host: toPuny(host!),
 			usernameLower: username.toLowerCase()
 		});
 
-		if (host == null && target == null) continue;
-
-		if (await UserListJoinings.findOne({ userListId: list.id, userId: target.id }) != null) continue;
-
 		if (target == null) {
 			target = await resolveUser(username, host);
 		}
 
+		if (await UserListJoinings.findOne({ userListId: list.id, userId: target.id }) != null) continue;
+
 		pushUserToUserList(target, list);
 	}
 
diff --git a/src/queue/processors/deliver.ts b/src/queue/processors/deliver.ts
index b9701c0c65..8837c80d87 100644
--- a/src/queue/processors/deliver.ts
+++ b/src/queue/processors/deliver.ts
@@ -7,7 +7,7 @@ import { instanceChart } from '../../services/chart';
 
 const logger = new Logger('deliver');
 
-let latest: string = null;
+let latest: string | null = null;
 
 export default async (job: Bull.Job) => {
 	const { host } = new URL(job.data.to);
diff --git a/src/queue/processors/inbox.ts b/src/queue/processors/inbox.ts
index 35b0ce5386..4deaef2ae3 100644
--- a/src/queue/processors/inbox.ts
+++ b/src/queue/processors/inbox.ts
@@ -14,6 +14,7 @@ import { UserPublickey } from '../../models/entities/user-publickey';
 import fetchMeta from '../../misc/fetch-meta';
 import { toPuny } from '../../misc/convert-host';
 import { validActor } from '../../remote/activitypub/type';
+import { ensure } from '../../prelude/ensure';
 
 const logger = new Logger('inbox');
 
@@ -35,7 +36,7 @@ export default async (job: Bull.Job): Promise<void> => {
 
 	if (keyIdLower.startsWith('acct:')) {
 		const acct = parseAcct(keyIdLower.slice('acct:'.length));
-		const host = toPuny(acct.host);
+		const host = acct.host ? toPuny(acct.host) : null;
 		const username = toPuny(acct.username);
 
 		if (host === null) {
@@ -64,9 +65,7 @@ export default async (job: Bull.Job): Promise<void> => {
 			host: host
 		}) as IRemoteUser;
 
-		key = await UserPublickeys.findOne({
-			userId: user.id
-		});
+		key = await UserPublickeys.findOne(user.id).then(ensure);
 	} else {
 		// アクティビティ内のホストの検証
 		const host = toPuny(new URL(signature.keyId).hostname);
@@ -87,7 +86,7 @@ export default async (job: Bull.Job): Promise<void> => {
 
 		key = await UserPublickeys.findOne({
 			keyId: signature.keyId
-		});
+		}).then(ensure);
 
 		user = await Users.findOne(key.userId) as IRemoteUser;
 	}