From 0dae71afe65ca97de7d3e539975dd6e1a61b9d5e Mon Sep 17 00:00:00 2001
From: David Florness <david@florness.com>
Date: Fri, 31 Dec 2021 19:06:22 -0600
Subject: [PATCH] Log uploads to file

So that homeserver admins can know which media files that tallyard uploads can
be deleted.
---
 election/utils.go | 22 ++++++++++++++++++++++
 election/voter.go |  2 ++
 2 files changed, 24 insertions(+)
 create mode 100644 election/utils.go

diff --git a/election/utils.go b/election/utils.go
new file mode 100644
index 0000000..fbf78bc
--- /dev/null
+++ b/election/utils.go
@@ -0,0 +1,22 @@
+package election
+
+import (
+	"fmt"
+	"os"
+	"time"
+
+	"github.com/kyoh86/xdg"
+	log "github.com/sirupsen/logrus"
+	"maunium.net/go/mautrix/id"
+)
+
+func LogUpload(contentURI id.ContentURI) {
+	file, err := os.OpenFile(xdg.DataHome() + "/tallyard/uploads.tsv", os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0600)
+	if err != nil {
+		log.Warnf("couldn't open uploads file: %s", err)
+		return
+	}
+	defer file.Close()
+	t, _ := time.Now().UTC().MarshalText()
+	fmt.Fprintf(file, "%s\t%s\n", string(t), contentURI.String())
+}
diff --git a/election/voter.go b/election/voter.go
index 9cbf541..2c9f1e3 100644
--- a/election/voter.go
+++ b/election/voter.go
@@ -191,6 +191,7 @@ func (el *Election) SendProvingKeys(client *mautrix.Client, eventStore *EventSto
 		if err != nil {
 			return fmt.Errorf("couldn't upload eval proving key: %s", err)
 		}
+		LogUpload(uploadResp.ContentURI)
 		evalProvingKeyURI = uploadResp.ContentURI
 	}
 
@@ -222,6 +223,7 @@ func (el *Election) SendProvingKeys(client *mautrix.Client, eventStore *EventSto
 		if err != nil {
 			return fmt.Errorf("couldn't upload sum proving key: %s", err)
 		}
+		LogUpload(uploadResp.ContentURI)
 		sumProvingKeyURI = uploadResp.ContentURI
 	}
 
-- 
2.38.4