[docs] Use human sizes for size limitations (#2706)

This switches the documentation to use human sizes, so 50MiB instead of
an integer number of bytes. This makes it much easier to understand what
values are set, and less likely to accidentally set the wrong value.

3 files changed, 60 insertions, 36 deletions

diff --git a/docs/configuration/media.md b/docs/configuration/media.md
index d02acc480..656c93315 100644
--- a/docs/configuration/media.md
+++ b/docs/configuration/media.md
@@ -9,15 +9,23 @@
 
 # Config pertaining to media uploads (videos, image, image descriptions, emoji).
 
-# Int. Maximum allowed image upload size in bytes.
-# Examples: [2097152, 10485760]
-# Default: 10485760 -- aka 10MB
-media-image-max-size: 10485760
+# Size. Maximum allowed image upload size in bytes.
+#
+# Raising this limit may cause other servers to not fetch media
+# attached to a post.
+#
+# Examples: [2097152, 10485760, 10MB, 10MiB]
+# Default: 10MiB (10485760 bytes)
+media-image-max-size: 10MiB
 
-# Int. Maximum allowed video upload size in bytes.
-# Examples: [2097152, 10485760]
-# Default: 41943040 -- aka 40MB
-media-video-max-size: 41943040
+# Size. Maximum allowed video upload size in bytes.
+#
+# Raising this limit may cause other servers to not fetch media
+# attached to a post.
+#
+# Examples: [2097152, 10485760, 40MB, 40MiB]
+# Default: 40MiB (41943040 bytes)
+media-video-max-size: 40MiB
 
 # Int. Minimum amount of characters required as an image or video description.
 # Examples: [500, 1000, 1500]
@@ -29,21 +37,25 @@ media-description-min-chars: 0
 # Default: 1500
 media-description-max-chars: 1500
 
-# Int. Max size in bytes of emojis uploaded to this instance via the admin API.
+# Size. Max size in bytes of emojis uploaded to this instance via the admin API.
+#
 # The default is the same as the Mastodon size limit for emojis (50kb), which allows
 # for good interoperability. Raising this limit may cause issues with federation
 # of your emojis to other instances, so beware.
-# Examples: [51200, 102400]
-# Default: 51200
-media-emoji-local-max-size: 51200
+#
+# Examples: [51200, 102400, 50KB, 50KiB]
+# Default: 50KiB (51200 bytes)
+media-emoji-local-max-size: 50KiB
 
-# Int. Max size in bytes of emojis to download from other instances.
+# Size. Max size in bytes of emojis to download from other instances.
+#
 # By default this is 100kb, or twice the size of the default for media-emoji-local-max-size.
 # This strikes a good balance between decent interoperability with instances that have
 # higher emoji size limits, and not taking up too much space in storage.
-# Examples: [51200, 102400]
-# Default: 102400
-media-emoji-remote-max-size: 102400
+#
+# Examples: [51200, 102400, 100KB, 100KiB]
+# Default: 100KiB (102400 bytes)
+media-emoji-remote-max-size: 100KiB
 
 # The below media cleanup settings allow admins to customize when and
 # how often media cleanup + prune jobs run, while being set to a fairly
diff --git a/example/config.yaml b/example/config.yaml
index bdc09da79..8843e42d4 100644
--- a/example/config.yaml
+++ b/example/config.yaml
@@ -450,15 +450,23 @@ accounts-custom-css-length: 10000
 
 # Config pertaining to media uploads (videos, image, image descriptions, emoji).
 
-# Int. Maximum allowed image upload size in bytes.
-# Examples: [2097152, 10485760]
-# Default: 10485760 -- aka 10MB
-media-image-max-size: 10485760
+# Size. Maximum allowed image upload size in bytes.
+#
+# Raising this limit may cause other servers to not fetch media
+# attached to a post.
+#
+# Examples: [2097152, 10485760, 10MB, 10MiB]
+# Default: 10MiB (10485760 bytes)
+media-image-max-size: 10MiB
 
-# Int. Maximum allowed video upload size in bytes.
-# Examples: [2097152, 10485760]
-# Default: 41943040 -- aka 40MB
-media-video-max-size: 41943040
+# Size. Maximum allowed video upload size in bytes.
+#
+# Raising this limit may cause other servers to not fetch media
+# attached to a post.
+#
+# Examples: [2097152, 10485760, 40MB, 40MiB]
+# Default: 40MiB (41943040 bytes)
+media-video-max-size: 40MiB
 
 # Int. Minimum amount of characters required as an image or video description.
 # Examples: [500, 1000, 1500]
@@ -470,21 +478,25 @@ media-description-min-chars: 0
 # Default: 1500
 media-description-max-chars: 1500
 
-# Int. Max size in bytes of emojis uploaded to this instance via the admin API.
+# Size. Max size in bytes of emojis uploaded to this instance via the admin API.
+#
 # The default is the same as the Mastodon size limit for emojis (50kb), which allows
 # for good interoperability. Raising this limit may cause issues with federation
 # of your emojis to other instances, so beware.
-# Examples: [51200, 102400]
-# Default: 51200
-media-emoji-local-max-size: 51200
+#
+# Examples: [51200, 102400, 50KB, 50KiB]
+# Default: 50KiB (51200 bytes)
+media-emoji-local-max-size: 50KiB
 
-# Int. Max size in bytes of emojis to download from other instances.
+# Size. Max size in bytes of emojis to download from other instances.
+#
 # By default this is 100kb, or twice the size of the default for media-emoji-local-max-size.
 # This strikes a good balance between decent interoperability with instances that have
 # higher emoji size limits, and not taking up too much space in storage.
-# Examples: [51200, 102400]
-# Default: 102400
-media-emoji-remote-max-size: 102400
+#
+# Examples: [51200, 102400, 100KB, 100KiB]
+# Default: 100KiB (102400 bytes)
+media-emoji-remote-max-size: 100KiB
 
 # The below media cleanup settings allow admins to customize when and
 # how often media cleanup + prune jobs run, while being set to a fairly
diff --git a/testrig/config.go b/testrig/config.go
index 5dbacc155..c3a62aed4 100644
--- a/testrig/config.go
+++ b/testrig/config.go
@@ -85,13 +85,13 @@ var testDefaults = config.Configuration{
 	AccountsAllowCustomCSS:   true,
 	AccountsCustomCSSLength:  10000,
 
-	MediaImageMaxSize:        10485760, // 10mb
-	MediaVideoMaxSize:        41943040, // 40mb
+	MediaImageMaxSize:        10485760, // 10MiB
+	MediaVideoMaxSize:        41943040, // 40MiB
 	MediaDescriptionMinChars: 0,
 	MediaDescriptionMaxChars: 500,
 	MediaRemoteCacheDays:     7,
-	MediaEmojiLocalMaxSize:   51200,          // 50kb
-	MediaEmojiRemoteMaxSize:  102400,         // 100kb
+	MediaEmojiLocalMaxSize:   51200,          // 50KiB
+	MediaEmojiRemoteMaxSize:  102400,         // 100KiB
 	MediaCleanupFrom:         "00:00",        // midnight.
 	MediaCleanupEvery:        24 * time.Hour, // 1/day.