mirror of
https://github.com/warmbly/warmbly.git
synced 2026-08-19 00:01:14 +00:00
Matthew Meszaros
1afe453eb0
Add seed inbox-placement testing with admin management, placement result polling, and seed mailbox persistence. Add pre-send email verification, invalid-recipient skipping, warmup-health campaign gating, and RFC 8058 one-click unsubscribe headers/endpoints.
59 lines
2.0 KiB
Go
59 lines
2.0 KiB
Go
package handler
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import (
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"net/http"
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"github.com/gin-gonic/gin"
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"github.com/google/uuid"
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"github.com/warmbly/warmbly/internal/errx"
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)
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// Unsubscribe handles the List-Unsubscribe link and the RFC 8058 one-click POST.
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// It is PUBLIC + unauthenticated — mailbox providers and recipients hit it
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// directly. Both GET (a recipient clicking the link) and POST (the provider's
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// one-click, body "List-Unsubscribe=One-Click") suppress the recipient org-wide.
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// The link shape is /unsubscribe?cid=<campaign>&rid=<contact>.
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func (h *Handler) Unsubscribe(c *gin.Context) {
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isPost := c.Request.Method == http.MethodPost
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cid, err1 := uuid.Parse(c.Query("cid"))
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rid, err2 := uuid.Parse(c.Query("rid"))
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if err1 != nil || err2 != nil {
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if isPost {
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c.Status(http.StatusBadRequest)
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return
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}
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c.Data(http.StatusBadRequest, "text/html; charset=utf-8", unsubPage("This unsubscribe link is invalid."))
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return
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}
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xerr := h.AdvancedService.Unsubscribe(c.Request.Context(), cid, rid)
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if isPost {
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// RFC 8058: acknowledge one-click. Return 5xx only on a genuine
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// server-side failure so the provider can retry; a bad/expired link
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// (BadRequest) is terminal, so 200 to stop pointless retries.
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if xerr != nil && xerr.Code != errx.BadRequest {
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c.Status(http.StatusBadGateway)
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return
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}
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c.Status(http.StatusOK)
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return
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}
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msg := "You've been unsubscribed."
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if xerr != nil {
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msg = "We couldn't process that unsubscribe link."
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}
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c.Data(http.StatusOK, "text/html; charset=utf-8", unsubPage(msg))
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}
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func unsubPage(msg string) []byte {
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return []byte(`<!doctype html><html lang="en"><head><meta charset="utf-8">` +
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`<meta name="viewport" content="width=device-width,initial-scale=1"><title>Unsubscribe</title></head>` +
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`<body style="font-family:system-ui,-apple-system,sans-serif;max-width:32rem;margin:4rem auto;padding:0 1rem;color:#0f172a">` +
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`<h1 style="font-size:1.25rem;margin:0 0 .5rem">` + msg + `</h1>` +
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`<p style="color:#64748b;margin:0">You will no longer receive emails from this sender.</p></body></html>`)
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}
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