diff --git a/keyserver/src/fetchers/thread-fetchers.js b/keyserver/src/fetchers/thread-fetchers.js index 6b1578408..1a189195e 100644 --- a/keyserver/src/fetchers/thread-fetchers.js +++ b/keyserver/src/fetchers/thread-fetchers.js @@ -1,435 +1,434 @@ // @flow import invariant from 'invariant'; import { specialRoles } from 'lib/permissions/special-roles.js'; import { getAllThreadPermissions } from 'lib/permissions/thread-permissions.js'; import { rawThreadInfoFromServerThreadInfo, getContainingThreadID, getCommunity, } from 'lib/shared/thread-utils.js'; import { - FUTURE_CODE_VERSION, hasMinCodeVersion, + NEXT_CODE_VERSION, } from 'lib/shared/version-utils.js'; import type { AvatarDBContent, ClientAvatar } from 'lib/types/avatar-types.js'; import type { RawMessageInfo, MessageInfo } from 'lib/types/message-types.js'; import type { RawThreadInfo } from 'lib/types/minimally-encoded-thread-permissions-types.js'; import { threadTypes, type ThreadType } from 'lib/types/thread-types-enum.js'; import { type ServerThreadInfo, type MixedRawThreadInfos, type LegacyRawThreadInfo, type ServerLegacyRoleInfo, } from 'lib/types/thread-types.js'; import { ServerError } from 'lib/utils/errors.js'; import { getUploadURL, makeUploadURI } from './upload-fetchers.js'; import { dbQuery, SQL, mergeAndConditions } from '../database/database.js'; import type { SQLStatementType } from '../database/types.js'; import type { Viewer } from '../session/viewer.js'; type FetchThreadInfosFilter = Partial<{ +accessibleToUserID: string, +threadID: string, +threadIDs: $ReadOnlySet, +parentThreadID: string, +sourceMessageID: string, }>; function constructWhereClause( filter: FetchThreadInfosFilter, ): SQLStatementType { const fromTable = filter.accessibleToUserID ? 'memberships' : 'threads'; const conditions = []; if (filter.accessibleToUserID) { conditions.push( SQL`mm.user = ${filter.accessibleToUserID} AND mm.role > -1`, ); } if (filter.threadID && fromTable === 'memberships') { conditions.push(SQL`mm.thread = ${filter.threadID}`); } else if (filter.threadID) { conditions.push(SQL`t.id = ${filter.threadID}`); } if (filter.threadIDs && fromTable === 'memberships') { conditions.push(SQL`mm.thread IN (${[...filter.threadIDs]})`); } else if (filter.threadIDs) { conditions.push(SQL`t.id IN (${[...filter.threadIDs]})`); } if (filter.parentThreadID) { conditions.push(SQL`t.parent_thread_id = ${filter.parentThreadID}`); } if (filter.sourceMessageID) { conditions.push(SQL`t.source_message = ${filter.sourceMessageID}`); } if (conditions.length === 0) { return SQL``; } const clause = mergeAndConditions(conditions); return SQL`WHERE `.append(clause); } type FetchServerThreadInfosResult = { +threadInfos: { +[id: string]: ServerThreadInfo }, }; async function fetchServerThreadInfos( filter?: FetchThreadInfosFilter, ): Promise { if (filter?.threadIDs?.size === 0) { return { threadInfos: {} }; } let primaryFetchClause; if (filter?.accessibleToUserID) { primaryFetchClause = SQL` FROM memberships mm LEFT JOIN threads t ON t.id = mm.thread `; } else { primaryFetchClause = SQL` FROM threads t `; } const whereClause = filter ? constructWhereClause(filter) : ''; const rolesQuery = SQL` SELECT t.id, r.id AS role, r.name, r.permissions, r.special_role, r.special_role = ${specialRoles.DEFAULT_ROLE} AS is_default ` .append(primaryFetchClause) .append( SQL` LEFT JOIN roles r ON r.thread = t.id `, ) .append(whereClause); const threadsQuery = SQL` SELECT t.id, t.name, t.parent_thread_id, t.containing_thread_id, t.community, t.depth, t.color, t.description, t.type, t.creation_time, t.source_message, t.replies_count, t.avatar, t.pinned_count, m.user, m.role, m.permissions, m.subscription, m.last_read_message < m.last_message AS unread, m.sender, up.id AS upload_id, up.secret AS upload_secret, up.extra AS upload_extra ` .append(primaryFetchClause) .append( SQL` LEFT JOIN memberships m ON m.thread = t.id AND m.role >= 0 LEFT JOIN uploads up ON up.container = t.id `, ) .append(whereClause) .append(SQL` ORDER BY m.user ASC`); const [[threadsResult], [rolesResult]] = await Promise.all([ dbQuery(threadsQuery), dbQuery(rolesQuery), ]); const threadInfos = {}; for (const threadsRow of threadsResult) { const threadID = threadsRow.id.toString(); if (!threadInfos[threadID]) { threadInfos[threadID] = { id: threadID, type: threadsRow.type, name: threadsRow.name ? threadsRow.name : '', description: threadsRow.description ? threadsRow.description : '', color: threadsRow.color, creationTime: threadsRow.creation_time, parentThreadID: threadsRow.parent_thread_id ? threadsRow.parent_thread_id.toString() : null, containingThreadID: threadsRow.containing_thread_id ? threadsRow.containing_thread_id.toString() : null, depth: threadsRow.depth, community: threadsRow.community ? threadsRow.community.toString() : null, members: [], roles: {}, repliesCount: threadsRow.replies_count, pinnedCount: threadsRow.pinned_count, }; if (threadsRow.avatar) { const avatar: AvatarDBContent = JSON.parse(threadsRow.avatar); let clientAvatar: ?ClientAvatar; if ( avatar && avatar.type !== 'image' && avatar.type !== 'encrypted_image' ) { clientAvatar = avatar; } else if ( avatar && (avatar.type === 'image' || avatar.type === 'encrypted_image') && threadsRow.upload_id && threadsRow.upload_secret ) { const uploadID = threadsRow.upload_id.toString(); invariant( uploadID === avatar.uploadID, `uploadID of upload should match uploadID of image avatar`, ); if (avatar.type === 'encrypted_image' && threadsRow.upload_extra) { const uploadExtra = JSON.parse(threadsRow.upload_extra); clientAvatar = { type: 'encrypted_image', blobURI: makeUploadURI( uploadExtra.blobHash, uploadID, threadsRow.upload_secret, ), encryptionKey: uploadExtra.encryptionKey, thumbHash: uploadExtra.thumbHash, }; } else { clientAvatar = { type: 'image', uri: getUploadURL(uploadID, threadsRow.upload_secret), }; } } threadInfos[threadID] = { ...threadInfos[threadID], avatar: clientAvatar, }; } } const sourceMessageID = threadsRow.source_message?.toString(); if (sourceMessageID) { threadInfos[threadID].sourceMessageID = sourceMessageID; } if (threadsRow.user) { const userID = threadsRow.user.toString(); const allPermissions = getAllThreadPermissions( JSON.parse(threadsRow.permissions), threadID, ); threadInfos[threadID].members.push({ id: userID, permissions: allPermissions, role: threadsRow.role ? threadsRow.role.toString() : null, subscription: JSON.parse(threadsRow.subscription), unread: threadsRow.role ? !!threadsRow.unread : null, isSender: !!threadsRow.sender, }); } } for (const rolesRow of rolesResult) { const threadID = rolesRow.id.toString(); if (!rolesRow.role) { continue; } const role = rolesRow.role.toString(); if (!threadInfos[threadID].roles[role]) { const roleInfo: ServerLegacyRoleInfo = { id: role, name: rolesRow.name, permissions: JSON.parse(rolesRow.permissions), isDefault: Boolean(rolesRow.is_default), specialRole: rolesRow.special_role, }; threadInfos[threadID].roles[role] = roleInfo; } } return { threadInfos }; } export type FetchThreadInfosResult = { +threadInfos: MixedRawThreadInfos, }; async function fetchThreadInfos( viewer: Viewer, inputFilter?: FetchThreadInfosFilter, ): Promise { const filter = { accessibleToUserID: viewer.id, ...inputFilter, }; const serverResult = await fetchServerThreadInfos(filter); return rawThreadInfosFromServerThreadInfos(viewer, serverResult); } function rawThreadInfosFromServerThreadInfos( viewer: Viewer, serverResult: FetchServerThreadInfosResult, ): FetchThreadInfosResult { const viewerID = viewer.id; const codeVersionBelow209 = !hasMinCodeVersion(viewer.platformDetails, { native: 209, }); const codeVersionBelow213 = !hasMinCodeVersion(viewer.platformDetails, { native: 213, }); const codeVersionBelow221 = !hasMinCodeVersion(viewer.platformDetails, { native: 221, }); const codeVersionBelow283 = !hasMinCodeVersion(viewer.platformDetails, { native: 285, }); const minimallyEncodedPermissionsSupported = hasMinCodeVersion( viewer.platformDetails, { native: 301, web: 56 }, ); - const futureCodeVersion = hasMinCodeVersion(viewer.platformDetails, { - native: FUTURE_CODE_VERSION, - web: FUTURE_CODE_VERSION, - majorDesktop: FUTURE_CODE_VERSION, + const specialRoleFieldSupported = hasMinCodeVersion(viewer.platformDetails, { + native: 336, + web: NEXT_CODE_VERSION, }); const threadInfos: { [string]: LegacyRawThreadInfo | RawThreadInfo, } = {}; for (const threadID in serverResult.threadInfos) { const serverThreadInfo = serverResult.threadInfos[threadID]; const threadInfo = rawThreadInfoFromServerThreadInfo( serverThreadInfo, viewerID, { filterThreadEditAvatarPermission: codeVersionBelow213, excludePinInfo: codeVersionBelow209, filterManageInviteLinksPermission: codeVersionBelow221, filterVoicedInAnnouncementChannelsPermission: codeVersionBelow283, minimallyEncodePermissions: minimallyEncodedPermissionsSupported, - includeSpecialRoleFieldInRoles: futureCodeVersion, + includeSpecialRoleFieldInRoles: specialRoleFieldSupported, }, ); if (threadInfo) { threadInfos[threadID] = threadInfo; } } return { threadInfos }; } async function verifyThreadIDs( threadIDs: $ReadOnlyArray, ): Promise<$ReadOnlyArray> { if (threadIDs.length === 0) { return []; } const query = SQL`SELECT id FROM threads WHERE id IN (${threadIDs})`; const [result] = await dbQuery(query); const verified = []; for (const row of result) { verified.push(row.id.toString()); } return verified; } async function verifyThreadID(threadID: string): Promise { const result = await verifyThreadIDs([threadID]); return result.length !== 0; } type ThreadAncestry = { +containingThreadID: ?string, +community: ?string, +depth: number, }; async function determineThreadAncestry( parentThreadID: ?string, threadType: ThreadType, ): Promise { if (!parentThreadID) { return { containingThreadID: null, community: null, depth: 0 }; } const parentThreadInfos = await fetchServerThreadInfos({ threadID: parentThreadID, }); const parentThreadInfo = parentThreadInfos.threadInfos[parentThreadID]; if (!parentThreadInfo) { throw new ServerError('invalid_parameters'); } const containingThreadID = getContainingThreadID( parentThreadInfo, threadType, ); const community = getCommunity(parentThreadInfo); const depth = parentThreadInfo.depth + 1; return { containingThreadID, community, depth }; } function personalThreadQuery( firstMemberID: string, secondMemberID: string, ): SQLStatementType { return SQL` SELECT t.id FROM threads t INNER JOIN memberships m1 ON m1.thread = t.id AND m1.user = ${firstMemberID} INNER JOIN memberships m2 ON m2.thread = t.id AND m2.user = ${secondMemberID} WHERE t.type = ${threadTypes.PERSONAL} AND m1.role > 0 AND m2.role > 0 `; } async function fetchPersonalThreadID( viewerID: string, otherMemberID: string, ): Promise { const query = personalThreadQuery(viewerID, otherMemberID); const [threads] = await dbQuery(query); return threads[0]?.id.toString(); } async function serverThreadInfoFromMessageInfo( message: RawMessageInfo | MessageInfo, ): Promise { const threadID = message.threadID; const threads = await fetchServerThreadInfos({ threadID }); return threads.threadInfos[threadID]; } async function fetchContainedThreadIDs( parentThreadID: string, ): Promise> { const query = SQL` WITH RECURSIVE thread_tree AS ( SELECT id, containing_thread_id FROM threads WHERE id = ${parentThreadID} UNION ALL SELECT t.id, t.containing_thread_id FROM threads t JOIN thread_tree tt ON t.containing_thread_id = tt.id ) SELECT id FROM thread_tree `; const [result] = await dbQuery(query); return result.map(row => row.id.toString()); } export { fetchServerThreadInfos, fetchThreadInfos, rawThreadInfosFromServerThreadInfos, verifyThreadIDs, verifyThreadID, determineThreadAncestry, personalThreadQuery, fetchPersonalThreadID, serverThreadInfoFromMessageInfo, fetchContainedThreadIDs, };