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\n `,\n text: `\nWelcome to MCP Cognitive Tools!\n\nThank you for registering. Please visit the following link to verify your email address and get your access token:\n\n${verificationUrl}\n\nThis link will expire in 24 hours.\n\nIf you didn't request this verification, please ignore this email.\n `\n });\n\n return {\n success: true,\n message: \"Registration initiated. Please check your email for verification instructions.\",\n email: userEmail,\n verificationSent: true\n };\n } catch (error) {\n console.error(\"Failed to send verification email:\", error);\n throw new Error(\"Failed to send verification email. Please try again later.\");\n }\n}\n\nasync function verifyEmail(args: { verificationToken: string }): Promise {\n const { verificationToken } = args;\n\n if (!verificationToken) {\n throw new Error(\"Verification token is required\");\n }\n\n // Get verification record\n const verification = await getEmailVerificationByToken(verificationToken);\n if (!verification) {\n throw new Error(\"Invalid or expired verification token\");\n }\n\n // Check if token is expired\n if (new Date(verification.expiresAt) < new Date()) {\n throw new Error(\"Verification token has expired. Please request a new verification email.\");\n }\n\n // Get user by email\n const user = await getUserByEmail(verification.email);\n if (!user) {\n throw new Error(\"User not found\");\n }\n\n // Mark user as verified\n await updateUserVerification(user.id, true);\n \n // Mark verification as used\n await markEmailVerificationAsUsed(verificationToken);\n\n return {\n success: true,\n message: \"Email verified successfully! You can now use your access token.\",\n accessToken: user.accessToken,\n email: user.email,\n userId: user.id\n };\n}\n\nasync function resendVerification(args: { email: string }): Promise {\n const { email: userEmail } = args;\n\n if (!userEmail || !isValidEmail(userEmail)) {\n throw new Error(\"Valid email address is required\");\n }\n\n // Check if user exists\n const user = await getUserByEmail(userEmail);\n if (!user) {\n throw new Error(\"No user found with this email address\");\n }\n\n if (user.isVerified) {\n throw new Error(\"User is already verified\");\n }\n\n return await createVerificationAndSendEmail(userEmail, user.id);\n}\n\nfunction isValidEmail(email: string): boolean {\n const emailRegex = /^[^\\s@]+@[^\\s@]+\\.[^\\s@]+$/;\n return emailRegex.test(email);\n}","deleted","label",[174,175,176,157],"backend","mcp","tools","permalink","https://www.val.town/x/c15r/Contextual/code/backend/mcp/tools/user-registration.ts","extension","actionData","errors"]