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| 1 | +import { db } from '@sim/db' |
| 2 | +import { account } from '@sim/db/schema' |
| 3 | +import { and, eq } from 'drizzle-orm' |
| 4 | +import { type NextRequest, NextResponse } from 'next/server' |
| 5 | +import { getSession } from '@/lib/auth' |
| 6 | +import { env } from '@/lib/core/config/env' |
| 7 | +import { getBaseUrl } from '@/lib/core/utils/urls' |
| 8 | +import { createLogger } from '@/lib/logs/console/logger' |
| 9 | +import { safeAccountInsert } from '@/app/api/auth/oauth/utils' |
| 10 | + |
| 11 | +const logger = createLogger('SalesforceCallback') |
| 12 | + |
| 13 | +export const dynamic = 'force-dynamic' |
| 14 | + |
| 15 | +export async function GET(request: NextRequest) { |
| 16 | + const baseUrl = getBaseUrl() |
| 17 | + |
| 18 | + try { |
| 19 | + const session = await getSession() |
| 20 | + if (!session?.user?.id) { |
| 21 | + logger.warn('Unauthorized attempt to complete Salesforce OAuth') |
| 22 | + return NextResponse.redirect(`${baseUrl}/workspace?error=unauthorized`) |
| 23 | + } |
| 24 | + |
| 25 | + const { searchParams } = request.nextUrl |
| 26 | + const code = searchParams.get('code') |
| 27 | + const state = searchParams.get('state') |
| 28 | + const error = searchParams.get('error') |
| 29 | + const errorDescription = searchParams.get('error_description') |
| 30 | + |
| 31 | + if (error) { |
| 32 | + logger.error('Salesforce OAuth error:', { error, errorDescription }) |
| 33 | + return NextResponse.redirect( |
| 34 | + `${baseUrl}/workspace?error=salesforce_oauth_error&message=${encodeURIComponent(errorDescription || error)}` |
| 35 | + ) |
| 36 | + } |
| 37 | + |
| 38 | + const storedState = request.cookies.get('salesforce_oauth_state')?.value |
| 39 | + const storedVerifier = request.cookies.get('salesforce_pkce_verifier')?.value |
| 40 | + const storedBaseUrl = request.cookies.get('salesforce_base_url')?.value |
| 41 | + const returnUrl = request.cookies.get('salesforce_return_url')?.value |
| 42 | + |
| 43 | + const clientId = env.SALESFORCE_CLIENT_ID |
| 44 | + const clientSecret = env.SALESFORCE_CLIENT_SECRET |
| 45 | + |
| 46 | + if (!clientId || !clientSecret) { |
| 47 | + logger.error('Salesforce credentials not configured') |
| 48 | + return NextResponse.redirect(`${baseUrl}/workspace?error=salesforce_config_error`) |
| 49 | + } |
| 50 | + |
| 51 | + if (!state || state !== storedState) { |
| 52 | + logger.error('State mismatch in Salesforce OAuth callback', { |
| 53 | + receivedState: state, |
| 54 | + storedState: storedState ? 'present' : 'missing', |
| 55 | + }) |
| 56 | + return NextResponse.redirect(`${baseUrl}/workspace?error=salesforce_state_mismatch`) |
| 57 | + } |
| 58 | + |
| 59 | + if (!code) { |
| 60 | + logger.error('No authorization code received from Salesforce') |
| 61 | + return NextResponse.redirect(`${baseUrl}/workspace?error=salesforce_no_code`) |
| 62 | + } |
| 63 | + |
| 64 | + if (!storedVerifier || !storedBaseUrl) { |
| 65 | + logger.error('Missing PKCE verifier or base URL') |
| 66 | + return NextResponse.redirect(`${baseUrl}/workspace?error=salesforce_missing_data`) |
| 67 | + } |
| 68 | + |
| 69 | + const tokenUrl = `${storedBaseUrl}/services/oauth2/token` |
| 70 | + const redirectUri = `${baseUrl}/api/auth/oauth2/callback/salesforce` |
| 71 | + |
| 72 | + const tokenParams = new URLSearchParams({ |
| 73 | + grant_type: 'authorization_code', |
| 74 | + code: code, |
| 75 | + client_id: clientId, |
| 76 | + client_secret: clientSecret, |
| 77 | + redirect_uri: redirectUri, |
| 78 | + code_verifier: storedVerifier, |
| 79 | + }) |
| 80 | + |
| 81 | + const tokenResponse = await fetch(tokenUrl, { |
| 82 | + method: 'POST', |
| 83 | + headers: { |
| 84 | + 'Content-Type': 'application/x-www-form-urlencoded', |
| 85 | + }, |
| 86 | + body: tokenParams.toString(), |
| 87 | + }) |
| 88 | + |
| 89 | + if (!tokenResponse.ok) { |
| 90 | + const errorText = await tokenResponse.text() |
| 91 | + logger.error('Failed to exchange code for token:', { |
| 92 | + status: tokenResponse.status, |
| 93 | + body: errorText, |
| 94 | + tokenUrl, |
| 95 | + }) |
| 96 | + return NextResponse.redirect(`${baseUrl}/workspace?error=salesforce_token_error`) |
| 97 | + } |
| 98 | + |
| 99 | + const tokenData = await tokenResponse.json() |
| 100 | + const accessToken = tokenData.access_token |
| 101 | + const refreshToken = tokenData.refresh_token |
| 102 | + const instanceUrl = tokenData.instance_url |
| 103 | + const scope = tokenData.scope |
| 104 | + // Salesforce returns expires_in in seconds, default to 7200 (2 hours) if not provided |
| 105 | + const expiresIn = tokenData.expires_in ? Number(tokenData.expires_in) : 7200 |
| 106 | + |
| 107 | + logger.info('Salesforce token exchange successful:', { |
| 108 | + hasAccessToken: !!accessToken, |
| 109 | + hasRefreshToken: !!refreshToken, |
| 110 | + instanceUrl, |
| 111 | + scope, |
| 112 | + expiresIn, |
| 113 | + }) |
| 114 | + |
| 115 | + if (!accessToken) { |
| 116 | + logger.error('No access token in Salesforce response') |
| 117 | + return NextResponse.redirect(`${baseUrl}/workspace?error=salesforce_no_token`) |
| 118 | + } |
| 119 | + |
| 120 | + if (!instanceUrl) { |
| 121 | + logger.error('No instance URL in Salesforce response') |
| 122 | + return NextResponse.redirect(`${baseUrl}/workspace?error=salesforce_no_instance`) |
| 123 | + } |
| 124 | + |
| 125 | + let userId = 'unknown' |
| 126 | + let userEmail = '' |
| 127 | + try { |
| 128 | + const userInfoUrl = `${instanceUrl}/services/oauth2/userinfo` |
| 129 | + const userInfoResponse = await fetch(userInfoUrl, { |
| 130 | + headers: { |
| 131 | + Authorization: `Bearer ${accessToken}`, |
| 132 | + }, |
| 133 | + }) |
| 134 | + if (userInfoResponse.ok) { |
| 135 | + const userInfo = await userInfoResponse.json() |
| 136 | + userId = userInfo.user_id || userInfo.sub || 'unknown' |
| 137 | + userEmail = userInfo.email || '' |
| 138 | + } |
| 139 | + } catch (userInfoError) { |
| 140 | + logger.warn('Failed to fetch Salesforce user info:', userInfoError) |
| 141 | + } |
| 142 | + |
| 143 | + const existing = await db.query.account.findFirst({ |
| 144 | + where: and(eq(account.userId, session.user.id), eq(account.providerId, 'salesforce')), |
| 145 | + }) |
| 146 | + |
| 147 | + const now = new Date() |
| 148 | + const expiresAt = new Date(now.getTime() + expiresIn * 1000) |
| 149 | + |
| 150 | + /** |
| 151 | + * Store both instanceUrl (API endpoint) and authBaseUrl (OAuth endpoint) in idToken field. |
| 152 | + * - instanceUrl: Used for API calls (e.g., https://na1.salesforce.com) |
| 153 | + * - authBaseUrl: Used for token refresh (e.g., https://login.salesforce.com or custom domain) |
| 154 | + * This is a non-standard use of the idToken field, but necessary for Salesforce's |
| 155 | + * multi-endpoint OAuth architecture. |
| 156 | + */ |
| 157 | + const salesforceMetadata = JSON.stringify({ |
| 158 | + instanceUrl: instanceUrl, |
| 159 | + authBaseUrl: storedBaseUrl, |
| 160 | + }) |
| 161 | + |
| 162 | + const accountData = { |
| 163 | + accessToken: accessToken, |
| 164 | + refreshToken: refreshToken || null, |
| 165 | + accountId: userId, |
| 166 | + scope: scope || '', |
| 167 | + updatedAt: now, |
| 168 | + accessTokenExpiresAt: expiresAt, |
| 169 | + idToken: salesforceMetadata, |
| 170 | + } |
| 171 | + |
| 172 | + if (existing) { |
| 173 | + await db.update(account).set(accountData).where(eq(account.id, existing.id)) |
| 174 | + logger.info('Updated existing Salesforce account', { accountId: existing.id }) |
| 175 | + } else { |
| 176 | + await safeAccountInsert( |
| 177 | + { |
| 178 | + id: `salesforce_${session.user.id}_${Date.now()}`, |
| 179 | + userId: session.user.id, |
| 180 | + providerId: 'salesforce', |
| 181 | + accountId: accountData.accountId, |
| 182 | + accessToken: accountData.accessToken, |
| 183 | + refreshToken: accountData.refreshToken || undefined, |
| 184 | + scope: accountData.scope, |
| 185 | + idToken: accountData.idToken, |
| 186 | + accessTokenExpiresAt: accountData.accessTokenExpiresAt, |
| 187 | + createdAt: now, |
| 188 | + updatedAt: now, |
| 189 | + }, |
| 190 | + { provider: 'Salesforce', identifier: userEmail || userId } |
| 191 | + ) |
| 192 | + } |
| 193 | + |
| 194 | + let redirectUrl = `${baseUrl}/workspace` |
| 195 | + if (returnUrl) { |
| 196 | + try { |
| 197 | + const returnUrlObj = new URL(returnUrl, baseUrl) |
| 198 | + if (returnUrlObj.origin === new URL(baseUrl).origin) { |
| 199 | + redirectUrl = returnUrl |
| 200 | + } else { |
| 201 | + logger.warn('Invalid returnUrl origin, ignoring', { returnUrl, baseUrl }) |
| 202 | + } |
| 203 | + } catch { |
| 204 | + logger.warn('Invalid returnUrl format, ignoring', { returnUrl }) |
| 205 | + } |
| 206 | + } |
| 207 | + const finalUrl = new URL(redirectUrl, baseUrl) |
| 208 | + finalUrl.searchParams.set('salesforce_connected', 'true') |
| 209 | + |
| 210 | + const response = NextResponse.redirect(finalUrl.toString()) |
| 211 | + response.cookies.delete('salesforce_oauth_state') |
| 212 | + response.cookies.delete('salesforce_pkce_verifier') |
| 213 | + response.cookies.delete('salesforce_base_url') |
| 214 | + response.cookies.delete('salesforce_return_url') |
| 215 | + |
| 216 | + return response |
| 217 | + } catch (error) { |
| 218 | + logger.error('Error in Salesforce OAuth callback:', error) |
| 219 | + return NextResponse.redirect(`${baseUrl}/workspace?error=salesforce_callback_error`) |
| 220 | + } |
| 221 | +} |
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