adapt tests for new avatar recoding

recode group- and user-avatar to 192x192 pixel
add image crate
2026-04-02 13:32:11 +03:00 · 2019-12-15 21:56:52 +01:00 · 2019-12-15 21:17:05 +01:00 · 2019-12-15 18:09:45 +01:00 · 2019-12-15 16:43:12 +03:00 · 2019-12-15 16:15:09 +03:00
15 changed files with 372 additions and 132 deletions
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -85,7 +85,7 @@ dependencies = [
 [[package]]
 name = "async-imap"
 version = "0.1.1"
-source = "git+https://github.com/async-email/async-imap?branch=native_tls#3dc3681a9b158504a0cf11656854db5096476e2f"
+source = "git+https://github.com/async-email/async-imap#d7836416766b55d8d03587ea5326eecf501c2030"
 dependencies = [
 "async-attributes 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 "async-native-tls 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -456,6 +456,11 @@ dependencies = [
 "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]

+[[package]]
+name = "color_quant"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "constant_time_eq"
 version = "0.1.4"
@@ -552,6 +557,14 @@ dependencies = [
 "crossbeam-utils 0.6.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]

+[[package]]
+name = "crossbeam-queue"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "crossbeam-utils 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "crossbeam-utils"
 version = "0.6.6"
@@ -633,11 +646,20 @@ dependencies = [
 "syn 0.11.11 (registry+https://github.com/rust-lang/crates.io-index)",
 ]

+[[package]]
+name = "deflate"
+version = "0.7.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "adler32 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "deltachat"
 version = "1.0.0-beta.16"
 dependencies = [
- "async-imap 0.1.1 (git+https://github.com/async-email/async-imap?branch=native_tls)",
+ "async-imap 0.1.1 (git+https://github.com/async-email/async-imap)",
 "async-native-tls 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 "async-smtp 0.1.0 (git+https://github.com/async-email/async-smtp)",
 "async-std 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -655,6 +677,7 @@ dependencies = [
 "failure 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "failure_derive 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "hex 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "image 0.22.3 (registry+https://github.com/rust-lang/crates.io-index)",
 "image-meta 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "indexmap 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "itertools 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1182,6 +1205,15 @@ dependencies = [
 "wasi 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]

+[[package]]
+name = "gif"
+version = "0.10.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "color_quant 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lzw 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "glob"
 version = "0.2.11"
@@ -1355,6 +1387,22 @@ dependencies = [
 "unicode-normalization 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
 ]

+[[package]]
+name = "image"
+version = "0.22.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "gif 0.10.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jpeg-decoder 0.1.18 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-iter 0.1.39 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-rational 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-traits 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "png 0.15.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "scoped_threadpool 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tiff 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "image-meta"
 version = "0.1.0"
@@ -1381,6 +1429,14 @@ dependencies = [
 "autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]

+[[package]]
+name = "inflate"
+version = "0.4.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "adler32 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "iovec"
 version = "0.1.4"
@@ -1402,6 +1458,15 @@ name = "itoa"
 version = "0.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"

+[[package]]
+name = "jpeg-decoder"
+version = "0.1.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rayon 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "keccak"
 version = "0.1.0"
@@ -1515,6 +1580,11 @@ dependencies = [
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 ]

+[[package]]
+name = "lzw"
+version = "0.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "mach"
 version = "0.2.3"
@@ -1708,6 +1778,16 @@ dependencies = [
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 ]

+[[package]]
+name = "num-derive"
+version = "0.2.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.44 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "num-derive"
 version = "0.3.0"
@@ -1737,6 +1817,16 @@ dependencies = [
 "num-traits 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
 ]

+[[package]]
+name = "num-rational"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-integer 0.1.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num-traits 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "num-traits"
 version = "0.2.10"
@@ -1963,6 +2053,17 @@ name = "pkg-config"
 version = "0.3.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"

+[[package]]
+name = "png"
+version = "0.15.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crc32fast 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "deflate 0.7.20 (registry+https://github.com/rust-lang/crates.io-index)",
+ "inflate 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "ppv-lite86"
 version = "0.2.6"
@@ -2263,6 +2364,28 @@ dependencies = [
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 ]

+[[package]]
+name = "rayon"
+version = "1.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "crossbeam-deque 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "either 1.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rayon-core 1.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "rayon-core"
+version = "1.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "crossbeam-deque 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-queue 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num_cpus 1.11.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "rdrand"
 version = "0.4.0"
@@ -2498,6 +2621,11 @@ dependencies = [
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 ]

+[[package]]
+name = "scoped_threadpool"
+version = "0.1.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "scopeguard"
 version = "1.0.0"
@@ -2757,6 +2885,16 @@ dependencies = [
 "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]

+[[package]]
+name = "syn"
+version = "0.15.44"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
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+ "quote 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "syn"
 version = "1.0.11"
@@ -2858,6 +2996,17 @@ dependencies = [
 "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]

+[[package]]
+name = "tiff"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
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+ "num-traits 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "time"
 version = "0.1.42"
@@ -3320,7 +3469,7 @@ dependencies = [
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 "checksum async-smtp 0.1.0 (git+https://github.com/async-email/async-smtp)" = "<none>"
@@ -3361,6 +3510,7 @@ dependencies = [
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@@ -3372,6 +3522,7 @@ dependencies = [
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 "checksum log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)" = "14b6052be84e6b71ab17edffc2eeabf5c2c3ae1fdb464aae35ac50c67a44e1f7"
 "checksum lru-cache 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "31e24f1ad8321ca0e8a1e0ac13f23cb668e6f5466c2c57319f6a5cf1cc8e3b1c"
+"checksum lzw 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7d947cbb889ed21c2a84be6ffbaebf5b4e0f4340638cba0444907e38b56be084"
 "checksum mach 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "86dd2487cdfea56def77b88438a2c915fb45113c5319bfe7e14306ca4cd0b0e1"
 "checksum mailparse 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)" = "c00eb97cc18f08aaadd02808328dcc9be94948d8e5b54adbfd3414d2f87f7bf1"
 "checksum matches 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "7ffc5c5338469d4d3ea17d269fa8ea3512ad247247c30bd2df69e68309ed0a08"
@@ -3494,9 +3651,11 @@ dependencies = [
 "checksum nom 4.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "2ad2a91a8e869eeb30b9cb3119ae87773a8f4ae617f41b1eb9c154b2905f7bd6"
 "checksum nom 5.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "c618b63422da4401283884e6668d39f819a106ef51f5f59b81add00075da35ca"
 "checksum num-bigint-dig 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b3d03c330f9f7a2c19e3c0b42698e48141d0809c78cd9b6219f85bd7d7e892aa"
+"checksum num-derive 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)" = "eafd0b45c5537c3ba526f79d3e75120036502bebacbb3f3220914067ce39dbf2"
 "checksum num-derive 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0c8b15b261814f992e33760b1fca9fe8b693d8a65299f20c9901688636cfb746"
 "checksum num-integer 0.1.41 (registry+https://github.com/rust-lang/crates.io-index)" = "b85e541ef8255f6cf42bbfe4ef361305c6c135d10919ecc26126c4e5ae94bc09"
 "checksum num-iter 0.1.39 (registry+https://github.com/rust-lang/crates.io-index)" = "76bd5272412d173d6bf9afdf98db8612bbabc9a7a830b7bfc9c188911716132e"
+"checksum num-rational 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "f2885278d5fe2adc2f75ced642d52d879bffaceb5a2e0b1d4309ffdfb239b454"
 "checksum num-traits 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)" = "d4c81ffc11c212fa327657cb19dd85eb7419e163b5b076bede2bdb5c974c07e4"
 "checksum num_cpus 1.11.1 (registry+https://github.com/rust-lang/crates.io-index)" = "76dac5ed2a876980778b8b85f75a71b6cbf0db0b1232ee12f826bccb00d09d72"
 "checksum once_cell 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "891f486f630e5c5a4916c7e16c4b24a53e78c860b646e9f8e005e4f16847bfed"
@@ -3520,6 +3679,7 @@ dependencies = [
 "checksum pin-project-lite 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "f0af6cbca0e6e3ce8692ee19fb8d734b641899e07b68eb73e9bbbd32f1703991"
 "checksum pin-utils 0.1.0-alpha.4 (registry+https://github.com/rust-lang/crates.io-index)" = "5894c618ce612a3fa23881b152b608bafb8c56cfc22f434a3ba3120b40f7b587"
 "checksum pkg-config 0.3.17 (registry+https://github.com/rust-lang/crates.io-index)" = "05da548ad6865900e60eaba7f589cc0783590a92e940c26953ff81ddbab2d677"
+"checksum png 0.15.2 (registry+https://github.com/rust-lang/crates.io-index)" = "247cb804bd7fc86d0c2b153d1374265e67945875720136ca8fe451f11c6aed52"
 "checksum ppv-lite86 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "74490b50b9fbe561ac330df47c08f3f33073d2d00c150f719147d7c54522fa1b"
 "checksum pretty_assertions 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)" = "3f81e1644e1b54f5a68959a29aa86cde704219254669da328ecfdf6a1f09d427"
 "checksum pretty_env_logger 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "717ee476b1690853d222af4634056d830b5197ffd747726a9a1eee6da9f49074"
@@ -3553,6 +3713,8 @@ dependencies = [
 "checksum rand_os 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "7b75f676a1e053fc562eafbb47838d67c84801e38fc1ba459e8f180deabd5071"
 "checksum rand_pcg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "abf9b09b01790cfe0364f52bf32995ea3c39f4d2dd011eac241d2914146d0b44"
 "checksum rand_xorshift 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "cbf7e9e623549b0e21f6e97cf8ecf247c1a8fd2e8a992ae265314300b2455d5c"
+"checksum rayon 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "43739f8831493b276363637423d3622d4bd6394ab6f0a9c4a552e208aeb7fddd"
+"checksum rayon-core 1.6.1 (registry+https://github.com/rust-lang/crates.io-index)" = "f8bf17de6f23b05473c437eb958b9c850bfc8af0961fe17b4cc92d5a627b4791"
 "checksum rdrand 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "678054eb77286b51581ba43620cc911abf02758c91f93f479767aed0f90458b2"
 "checksum redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)" = "2439c63f3f6139d1b57529d16bc3b8bb855230c8efcc5d3a896c8bea7c3b1e84"
 "checksum redox_users 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "4ecedbca3bf205f8d8f5c2b44d83cd0690e39ee84b951ed649e9f1841132b66d"
@@ -3576,6 +3738,7 @@ dependencies = [
 "checksum sanitize-filename 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "23fd0fec94ec480abfd86bb8f4f6c57e0efb36dac5c852add176ea7b04c74801"
 "checksum schannel 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)" = "87f550b06b6cba9c8b8be3ee73f391990116bf527450d2556e9b9ce263b9a021"
 "checksum scheduled-thread-pool 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "f5de7bc31f28f8e6c28df5e1bf3d10610f5fdc14cc95f272853512c70a2bd779"
+"checksum scoped_threadpool 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)" = "1d51f5df5af43ab3f1360b429fa5e0152ac5ce8c0bd6485cae490332e96846a8"
 "checksum scopeguard 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b42e15e59b18a828bbf5c58ea01debb36b9b096346de35d941dcb89009f24a0d"
 "checksum security-framework 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "8ef2429d7cefe5fd28bd1d2ed41c944547d4ff84776f5935b456da44593a16df"
 "checksum security-framework-sys 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "e31493fc37615debb8c5090a7aeb4a9730bc61e77ab10b9af59f1a202284f895"
@@ -3607,6 +3770,7 @@ dependencies = [
 "checksum subtle 2.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7c65d530b10ccaeac294f349038a597e435b18fb456aadd0840a623f83b9e941"
 "checksum syn 0.11.11 (registry+https://github.com/rust-lang/crates.io-index)" = "d3b891b9015c88c576343b9b3e41c2c11a51c219ef067b264bd9c8aa9b441dad"
 "checksum syn 0.14.9 (registry+https://github.com/rust-lang/crates.io-index)" = "261ae9ecaa397c42b960649561949d69311f08eeaea86a65696e6e46517cf741"
+"checksum syn 0.15.44 (registry+https://github.com/rust-lang/crates.io-index)" = "9ca4b3b69a77cbe1ffc9e198781b7acb0c7365a883670e8f1c1bc66fba79a5c5"
 "checksum syn 1.0.11 (registry+https://github.com/rust-lang/crates.io-index)" = "dff0acdb207ae2fe6d5976617f887eb1e35a2ba52c13c7234c790960cdad9238"
 "checksum synom 0.11.3 (registry+https://github.com/rust-lang/crates.io-index)" = "a393066ed9010ebaed60b9eafa373d4b1baac186dd7e008555b0f702b51945b6"
 "checksum synstructure 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)" = "67656ea1dc1b41b1451851562ea232ec2e5a80242139f7e679ceccfb5d61f545"
@@ -3618,6 +3782,7 @@ dependencies = [
 "checksum thiserror-impl 1.0.9 (registry+https://github.com/rust-lang/crates.io-index)" = "eb2e25d25307eb8436894f727aba8f65d07adf02e5b35a13cebed48bd282bfef"
 "checksum thread-local-object 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7da3caa820d0308c84c8654f6cafd81cc3195d45433311cbe22fcf44fc8be071"
 "checksum thread_local 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "c6b53e329000edc2b34dbe8545fd20e55a333362d0a321909685a19bd28c3f1b"
+"checksum tiff 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d7b7c2cfc4742bd8a32f2e614339dd8ce30dbcf676bb262bd63a2327bc5df57d"
 "checksum time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)" = "db8dcfca086c1143c9270ac42a2bbd8a7ee477b78ac8e45b19abfb0cbede4b6f"
 "checksum tokio 0.1.22 (registry+https://github.com/rust-lang/crates.io-index)" = "5a09c0b5bb588872ab2f09afa13ee6e9dac11e10a0ec9e8e3ba39a5a5d530af6"
 "checksum tokio-buf 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "8fb220f46c53859a4b7ec083e41dec9778ff0b1851c0942b211edb89e0ccdc46"
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,7 +20,7 @@ num-traits = "0.2.6"
 async-smtp = { git = "https://github.com/async-email/async-smtp", branch = "master" }
 email = { git = "https://github.com/deltachat/rust-email", branch = "master" }
 lettre_email = { git = "https://github.com/deltachat/lettre", branch = "native_tls" }
-async-imap = { git = "https://github.com/async-email/async-imap", branch="native_tls", default-features = false, features = ["tls_native"] }
+async-imap = { git = "https://github.com/async-email/async-imap" }
 async-native-tls = "0.1.1"
 async-std = { version = "1.0", features = ["unstable"] }
 base64 = "0.11"
@@ -55,6 +55,7 @@ stop-token = { version = "0.1.1", features = ["unstable"] }
 mailparse = "0.10.1"
 encoded-words = { git = "https://github.com/async-email/encoded-words", branch="master" }
 native-tls = "0.2.3"
+image = "0.22.3"

 [dev-dependencies]
 tempfile = "3.0"
--- a/src/blob.rs
+++ b/src/blob.rs
@@ -6,9 +6,13 @@ use std::fs;
 use std::io::Write;
 use std::path::{Path, PathBuf};

+use self::image::GenericImageView;
+use crate::constants::AVATAR_SIZE;
 use crate::context::Context;
 use crate::events::Event;

+extern crate image;
+
 /// Represents a file in the blob directory.
 ///
 /// The object has a name, which will always be valid UTF-8.  Having a
@@ -349,6 +353,31 @@ impl<'a> BlobObject<'a> {
        }
        true
    }
+
+    pub fn recode_to_avatar_size(&self, context: &Context) -> Result<(), BlobError> {
+        let blob_abs = self.to_abs_path();
+        let img = image::open(&blob_abs).map_err(|err| BlobError::RecodeFailure {
+            blobdir: context.get_blobdir().to_path_buf(),
+            blobname: blob_abs.to_str().unwrap_or_default().to_string(),
+            cause: err,
+            backtrace: failure::Backtrace::new(),
+        })?;
+
+        if img.width() <= AVATAR_SIZE && img.height() <= AVATAR_SIZE {
+            return Ok(());
+        }
+
+        let img = img.thumbnail(AVATAR_SIZE, AVATAR_SIZE);
+
+        img.save(&blob_abs).map_err(|err| BlobError::WriteFailure {
+            blobdir: context.get_blobdir().to_path_buf(),
+            blobname: blob_abs.to_str().unwrap_or_default().to_string(),
+            cause: err,
+            backtrace: failure::Backtrace::new(),
+        })?;
+
+        Ok(())
+    }
 }

 impl<'a> fmt::Display for BlobObject<'a> {
@@ -382,6 +411,13 @@ pub enum BlobError {
        cause: std::io::Error,
        backtrace: failure::Backtrace,
    },
+    RecodeFailure {
+        blobdir: PathBuf,
+        blobname: String,
+        #[cause]
+        cause: image::ImageError,
+        backtrace: failure::Backtrace,
+    },
    WrongBlobdir {
        blobdir: PathBuf,
        src: PathBuf,
@@ -429,6 +465,9 @@ impl fmt::Display for BlobError {
                blobname,
                blobdir.display(),
            ),
+            BlobError::RecodeFailure {
+                blobdir, blobname, ..
+            } => write!(f, "Failed to recode {} in {}", blobname, blobdir.display(),),
            BlobError::WrongBlobdir { blobdir, src, .. } => write!(
                f,
                "File path {} is not in blobdir {}",
--- a/src/chat.rs
+++ b/src/chat.rs
@@ -116,10 +116,12 @@ impl Chat {
        self.param.exists(Param::Selftalk)
    }

+    /// Returns true if chat is a device chat.
    pub fn is_device_talk(&self) -> bool {
        self.param.exists(Param::Devicetalk)
    }

+    /// Returns true if user can send messages to this chat.
    pub fn can_send(&self) -> bool {
        self.id > DC_CHAT_ID_LAST_SPECIAL && !self.is_device_talk()
    }
@@ -134,14 +136,17 @@ impl Chat {
        Ok(())
    }

+    /// Returns chat ID.
    pub fn get_id(&self) -> u32 {
        self.id
    }

+    /// Returns chat type.
    pub fn get_type(&self) -> Chattype {
        self.typ
    }

+    /// Returns chat name.
    pub fn get_name(&self) -> &str {
        &self.name
    }
@@ -167,7 +172,7 @@ impl Chat {
        }

        if self.typ == Chattype::Group || self.typ == Chattype::VerifiedGroup {
-            if self.id == 1 {
+            if self.id == DC_CHAT_ID_DEADDROP {
                return context.stock_str(StockMessage::DeadDrop).into();
            }
            let cnt = get_chat_contact_cnt(context, self.id);
@@ -248,10 +253,12 @@ impl Chat {
        !self.is_unpromoted()
    }

+    /// Returns true if chat is a verified group chat.
    pub fn is_verified(&self) -> bool {
-        (self.typ == Chattype::VerifiedGroup)
+        self.typ == Chattype::VerifiedGroup
    }

+    /// Returns true if location streaming is enabled in the chat.
    pub fn is_sending_locations(&self) -> bool {
        self.is_sending_locations
    }
@@ -646,8 +653,8 @@ pub fn create_or_lookup_by_contact_id(
    sql::execute(
        context,
        &context.sql,
-        format!(
-            "INSERT INTO chats (type, name, param, blocked, grpid, created_timestamp) VALUES({}, '{}', '{}', {}, '{}', {})",
+        "INSERT INTO chats (type, name, param, blocked, grpid, created_timestamp) VALUES(?, ?, ?, ?, ?, ?)",
+        params![
            100,
            chat_name,
            match contact_id {
@@ -658,8 +665,7 @@ pub fn create_or_lookup_by_contact_id(
            create_blocked as u8,
            contact.get_addr(),
            time(),
-        ),
-        params![],
+        ]
    )?;

    let chat_id = sql::get_rowid(context, &context.sql, "chats", "grpid", contact.get_addr());
@@ -667,11 +673,8 @@ pub fn create_or_lookup_by_contact_id(
    sql::execute(
        context,
        &context.sql,
-        format!(
-            "INSERT INTO chats_contacts (chat_id, contact_id) VALUES({}, {})",
-            chat_id, contact_id
-        ),
-        params![],
+        "INSERT INTO chats_contacts (chat_id, contact_id) VALUES(?, ?)",
+        params![chat_id, contact_id],
    )?;

    if contact_id == DC_CONTACT_ID_SELF {
@@ -818,6 +821,7 @@ fn last_msg_in_chat_encrypted(context: &Context, sql: &Sql, chat_id: u32) -> boo
    }
 }

+/// Returns whether a contact is in a chat or not.
 pub fn is_contact_in_chat(context: &Context, chat_id: u32, contact_id: u32) -> bool {
    /* this function works for group and for normal chats, however, it is more useful for group chats.
    DC_CONTACT_ID_SELF may be used to check, if the user itself is in a group chat (DC_CONTACT_ID_SELF is not added to normal chats) */
@@ -1108,6 +1112,7 @@ pub fn get_chat_msgs(
    }
 }

+/// Returns number of messages in a chat.
 pub fn get_msg_cnt(context: &Context, chat_id: u32) -> usize {
    context
        .sql
@@ -1278,6 +1283,7 @@ pub fn get_next_media(
    ret
 }

+/// Archives or unarchives a chat.
 pub fn archive(context: &Context, chat_id: u32, archive: bool) -> Result<(), Error> {
    ensure!(
        chat_id > DC_CHAT_ID_LAST_SPECIAL,
@@ -1313,6 +1319,7 @@ pub fn archive(context: &Context, chat_id: u32, archive: bool) -> Result<(), Err
    Ok(())
 }

+/// Deletes a chat.
 pub fn delete(context: &Context, chat_id: u32) -> Result<(), Error> {
    ensure!(
        chat_id > DC_CHAT_ID_LAST_SPECIAL,
@@ -1443,6 +1450,7 @@ pub fn add_to_chat_contacts_table(context: &Context, chat_id: u32, contact_id: u
    .is_ok()
 }

+/// Adds a contact to the chat.
 pub fn add_contact_to_chat(context: &Context, chat_id: u32, contact_id: u32) -> bool {
    match add_contact_to_chat_ex(context, chat_id, contact_id, false) {
        Ok(res) => res,
@@ -1875,6 +1883,7 @@ pub fn set_chat_profile_image(
                _ => Err(err),
            },
        )?;
+        image_blob.recode_to_avatar_size(context)?;
        chat.param.set(Param::ProfileImage, image_blob.as_name());
        msg.param.set(Param::Arg, image_blob.as_name());
        msg.text = Some(context.stock_system_msg(
@@ -1915,8 +1924,11 @@ pub fn forward_msgs(context: &Context, msg_ids: &[MsgId], chat_id: u32) -> Resul
        ensure!(chat.can_send(), "cannot send to chat #{}", chat_id);
        curr_timestamp = dc_create_smeared_timestamps(context, msg_ids.len());
        let ids = context.sql.query_map(
-            "SELECT id FROM msgs WHERE id IN({}) ORDER BY timestamp,id",
-            params![msg_ids.iter().map(|_| "?").join(",")],
+            format!(
+                "SELECT id FROM msgs WHERE id IN({}) ORDER BY timestamp,id",
+                msg_ids.iter().map(|_| "?").join(",")
+            ),
+            msg_ids,
            |row| row.get::<_, MsgId>(0),
            |ids| ids.collect::<Result<Vec<_>, _>>().map_err(Into::into),
        )?;
@@ -2070,6 +2082,9 @@ pub fn get_chat_id_by_grpid(context: &Context, grpid: impl AsRef<str>) -> (u32,
        .unwrap_or((0, false, Blocked::Not))
 }

+/// Adds a message to device chat.
+///
+/// Optional `label` can be provided to ensure that message is added only once.
 pub fn add_device_msg(
    context: &Context,
    label: Option<&str>,
@@ -2144,6 +2159,9 @@ pub fn was_device_msg_ever_added(context: &Context, label: &str) -> Result<bool,
    Ok(false)
 }

+/// Adds an informational message to chat.
+///
+/// For example, it can be a message showing that a member was added to a group.
 pub fn add_info_msg(context: &Context, chat_id: u32, text: impl AsRef<str>) {
    let rfc724_mid = dc_create_outgoing_rfc724_mid(None, "@device");

--- a/src/chatlist.rs
+++ b/src/chatlist.rs
@@ -314,7 +314,7 @@ impl Chatlist {
    }
 }

-/// Get the number of archived chats
+/// Returns the number of archived chats
 pub fn dc_get_archived_cnt(context: &Context) -> u32 {
    context
        .sql
--- a/src/config.rs
+++ b/src/config.rs
@@ -136,6 +136,7 @@ impl Context {
                match value {
                    Some(value) => {
                        let blob = BlobObject::new_from_path(&self, value)?;
+                        blob.recode_to_avatar_size(self)?;
                        self.sql.set_raw_config(self, key, Some(blob.as_name()))
                    }
                    None => self.sql.set_raw_config(self, key, None),
@@ -190,6 +191,8 @@ mod tests {
    use std::string::ToString;

    use crate::test_utils::*;
+    use std::fs::File;
+    use std::io::Write;

    #[test]
    fn test_to_string() {
@@ -209,16 +212,17 @@ mod tests {
    }

    #[test]
-    fn test_selfavatar() -> failure::Fallible<()> {
+    fn test_selfavatar_outside_blobdir() -> failure::Fallible<()> {
        let t = dummy_context();
        let avatar_src = t.dir.path().join("avatar.jpg");
-        std::fs::write(&avatar_src, b"avatar")?;
+        let avatar_bytes = include_bytes!("../test-data/image/avatar1000x1000.jpg");
+        File::create(&avatar_src)?.write_all(avatar_bytes)?;
        let avatar_blob = t.ctx.get_blobdir().join("avatar.jpg");
        assert!(!avatar_blob.exists());
        t.ctx
            .set_config(Config::Selfavatar, Some(&avatar_src.to_str().unwrap()))?;
        assert!(avatar_blob.exists());
-        assert_eq!(std::fs::read(&avatar_blob)?, b"avatar");
+        assert!(std::fs::metadata(&avatar_blob).unwrap().len() < avatar_bytes.len() as u64);
        let avatar_cfg = t.ctx.get_config(Config::Selfavatar);
        assert_eq!(avatar_cfg, avatar_blob.to_str().map(|s| s.to_string()));
        Ok(())
@@ -228,7 +232,8 @@ mod tests {
    fn test_selfavatar_in_blobdir() -> failure::Fallible<()> {
        let t = dummy_context();
        let avatar_src = t.ctx.get_blobdir().join("avatar.jpg");
-        std::fs::write(&avatar_src, b"avatar")?;
+        let avatar_bytes = include_bytes!("../test-data/image/avatar1000x1000.jpg");
+        File::create(&avatar_src)?.write_all(avatar_bytes)?;
        t.ctx
            .set_config(Config::Selfavatar, Some(&avatar_src.to_str().unwrap()))?;
        let avatar_cfg = t.ctx.get_config(Config::Selfavatar);
--- a/src/configure/mod.rs
+++ b/src/configure/mod.rs
@@ -6,6 +6,8 @@ mod read_url;

 use percent_encoding::{utf8_percent_encode, NON_ALPHANUMERIC};

+use async_std::task;
+
 use crate::config::Config;
 use crate::constants::*;
 use crate::context::Context;
@@ -540,13 +542,14 @@ fn try_imap_one_param(context: &Context, param: &LoginParam) -> Option<bool> {
        param.imap_certificate_checks
    );
    info!(context, "Trying: {}", inf);
-    if context
-        .inbox_thread
-        .read()
-        .unwrap()
-        .imap
-        .connect(context, &param)
-    {
+    if task::block_on(
+        context
+            .inbox_thread
+            .read()
+            .unwrap()
+            .imap
+            .connect(context, &param),
+    ) {
        info!(context, "success: {}", inf);
        return Some(true);
    }
--- a/src/constants.rs
+++ b/src/constants.rs
@@ -184,6 +184,9 @@ pub const DC_VC_CONTACT_CONFIRM: i32 = 6;
 pub const DC_BOB_ERROR: i32 = 0;
 pub const DC_BOB_SUCCESS: i32 = 1;

+// max. width/height of an avatar
+pub const AVATAR_SIZE: u32 = 192;
+
 #[derive(Debug, Display, Clone, Copy, PartialEq, Eq, FromPrimitive, ToPrimitive, FromSql, ToSql)]
 #[repr(i32)]
 pub enum Viewtype {
--- a/src/contact.rs
+++ b/src/contact.rs
@@ -1,3 +1,5 @@
+//! Contacts module
+
 use std::path::PathBuf;

 use deltachat_derive::*;
--- a/src/context.rs
+++ b/src/context.rs
@@ -1,4 +1,4 @@
-//! Contacts module
+//! Context module

 use std::collections::HashMap;
 use std::ffi::OsString;
--- a/src/dc_receive_imf.rs
+++ b/src/dc_receive_imf.rs
@@ -1148,9 +1148,12 @@ fn create_or_lookup_adhoc_group(
    if !chat_ids.is_empty() {
        let chat_ids_str = join(chat_ids.iter().map(|x| x.to_string()), ",");
        let res = context.sql.query_row(
-            "SELECT c.id, c.blocked  FROM chats c  \
-             LEFT JOIN msgs m ON m.chat_id=c.id  WHERE c.id IN({})  ORDER BY m.timestamp DESC, m.id DESC  LIMIT 1;",
-            params!(chat_ids_str),
+            format!(
+                "SELECT c.id, c.blocked  FROM chats c  \
+                 LEFT JOIN msgs m ON m.chat_id=c.id  WHERE c.id IN({})  ORDER BY m.timestamp DESC, m.id DESC  LIMIT 1;",
+                chat_ids_str
+            ),
+            params![],
            |row| {
                Ok((row.get::<_, i32>(0)?, row.get::<_, Option<Blocked>>(1)?.unwrap_or_default()))
            }
@@ -1249,8 +1252,11 @@ fn create_adhoc_grp_id(context: &Context, member_ids: &[u32]) -> String {
    let members = context
        .sql
        .query_map(
-            "SELECT addr FROM contacts WHERE id IN({}) AND id!=1", // 1=DC_CONTACT_ID_SELF
-            params![member_ids_str],
+            format!(
+                "SELECT addr FROM contacts WHERE id IN({}) AND id!=1", // 1=DC_CONTACT_ID_SELF
+                member_ids_str
+            ),
+            params![],
            |row| row.get::<_, String>(0),
            |rows| {
                let mut addrs = rows.collect::<std::result::Result<Vec<_>, _>>()?;
@@ -1294,14 +1300,17 @@ fn search_chat_ids_by_contact_ids(
            contact_ids.sort();
            let contact_ids_str = join(contact_ids.iter().map(|x| x.to_string()), ",");
            context.sql.query_map(
-                "SELECT DISTINCT cc.chat_id, cc.contact_id \
-                 FROM chats_contacts cc \
-                 LEFT JOIN chats c ON c.id=cc.chat_id \
-                 WHERE cc.chat_id IN(SELECT chat_id FROM chats_contacts WHERE contact_id IN({})) \
-                 AND c.type=120 \
-                 AND cc.contact_id!=1 \
-                 ORDER BY cc.chat_id, cc.contact_id;", // 1=DC_CONTACT_ID_SELF
-                params![contact_ids_str],
+                format!(
+                    "SELECT DISTINCT cc.chat_id, cc.contact_id \
+                       FROM chats_contacts cc \
+                       LEFT JOIN chats c ON c.id=cc.chat_id \
+                       WHERE cc.chat_id IN(SELECT chat_id FROM chats_contacts WHERE contact_id IN({})) \
+                         AND c.type=120 \
+                         AND cc.contact_id!=1 \
+                       ORDER BY cc.chat_id, cc.contact_id;", // 1=DC_CONTACT_ID_SELF
+                    contact_ids_str
+                ),
+                params![],
                |row| Ok((row.get::<_, u32>(0)?, row.get::<_, u32>(1)?)),
                |rows| {
                    let mut last_chat_id = 0;
@@ -1328,8 +1337,8 @@ fn search_chat_ids_by_contact_ids(
                    if matches == contact_ids.len() && mismatches == 0 {
                        chat_ids.push(last_chat_id);
                    }
-                    Ok(())
-                },
+                Ok(())
+                }
            )?;
        }
    }
@@ -1382,9 +1391,12 @@ fn check_verified_properties(
    let to_ids_str = join(to_ids.iter().map(|x| x.to_string()), ",");

    let rows = context.sql.query_map(
-        "SELECT c.addr, LENGTH(ps.verified_key_fingerprint)  FROM contacts c  \
-         LEFT JOIN acpeerstates ps ON c.addr=ps.addr  WHERE c.id IN({}) ",
-        params![to_ids_str],
+        format!(
+            "SELECT c.addr, LENGTH(ps.verified_key_fingerprint)  FROM contacts c  \
+             LEFT JOIN acpeerstates ps ON c.addr=ps.addr  WHERE c.id IN({}) ",
+            to_ids_str
+        ),
+        params![],
        |row| Ok((row.get::<_, String>(0)?, row.get::<_, i32>(1).unwrap_or(0))),
        |rows| {
            rows.collect::<std::result::Result<Vec<_>, _>>()
--- a/src/imap/mod.rs
+++ b/src/imap/mod.rs
@@ -339,7 +339,7 @@ impl Imap {
        let param = LoginParam::from_database(context, "configured_");
        // the trailing underscore is correct

-        if self.connect(context, &param) {
+        if task::block_on(self.connect(context, &param)) {
            self.ensure_configured_folders(context, true)
        } else {
            Err(Error::ConnectionFailed(format!("{}", param)))
@@ -348,82 +348,80 @@ impl Imap {

    /// tries connecting to imap account using the specific login
    /// parameters
-    pub fn connect(&self, context: &Context, lp: &LoginParam) -> bool {
-        task::block_on(async move {
-            if lp.mail_server.is_empty() || lp.mail_user.is_empty() || lp.mail_pw.is_empty() {
-                return false;
-            }
+    pub async fn connect(&self, context: &Context, lp: &LoginParam) -> bool {
+        if lp.mail_server.is_empty() || lp.mail_user.is_empty() || lp.mail_pw.is_empty() {
+            return false;
+        }

-            {
-                let addr = &lp.addr;
-                let imap_server = &lp.mail_server;
-                let imap_port = lp.mail_port as u16;
-                let imap_user = &lp.mail_user;
-                let imap_pw = &lp.mail_pw;
-                let server_flags = lp.server_flags as usize;
+        {
+            let addr = &lp.addr;
+            let imap_server = &lp.mail_server;
+            let imap_port = lp.mail_port as u16;
+            let imap_user = &lp.mail_user;
+            let imap_pw = &lp.mail_pw;
+            let server_flags = lp.server_flags as usize;

-                let mut config = self.config.write().await;
-                config.addr = addr.to_string();
-                config.imap_server = imap_server.to_string();
-                config.imap_port = imap_port;
-                config.imap_user = imap_user.to_string();
-                config.imap_pw = imap_pw.to_string();
-                config.certificate_checks = lp.imap_certificate_checks;
-                config.server_flags = server_flags;
-            }
+            let mut config = self.config.write().await;
+            config.addr = addr.to_string();
+            config.imap_server = imap_server.to_string();
+            config.imap_port = imap_port;
+            config.imap_user = imap_user.to_string();
+            config.imap_pw = imap_pw.to_string();
+            config.certificate_checks = lp.imap_certificate_checks;
+            config.server_flags = server_flags;
+        }

-            if let Err(err) = self.setup_handle_if_needed(context).await {
-                warn!(context, "failed to setup imap handle: {}", err);
-                self.free_connect_params().await;
-                return false;
-            }
+        if let Err(err) = self.setup_handle_if_needed(context).await {
+            warn!(context, "failed to setup imap handle: {}", err);
+            self.free_connect_params().await;
+            return false;
+        }

-            let teardown = match &mut *self.session.lock().await {
-                Some(ref mut session) => match session.capabilities().await {
-                    Ok(caps) => {
-                        if !context.sql.is_open() {
-                            warn!(context, "IMAP-LOGIN as {} ok but ABORTING", lp.mail_user,);
-                            true
-                        } else {
-                            let can_idle = caps.has_str("IDLE");
-                            let has_xlist = caps.has_str("XLIST");
-                            let caps_list = caps.iter().fold(String::new(), |s, c| {
-                                if let Capability::Atom(x) = c {
-                                    s + &format!(" {}", x)
-                                } else {
-                                    s + &format!(" {:?}", c)
-                                }
-                            });
-
-                            self.config.write().await.can_idle = can_idle;
-                            self.config.write().await.has_xlist = has_xlist;
-                            *self.connected.lock().await = true;
-                            emit_event!(
-                                context,
-                                Event::ImapConnected(format!(
-                                    "IMAP-LOGIN as {}, capabilities: {}",
-                                    lp.mail_user, caps_list,
-                                ))
-                            );
-                            false
-                        }
-                    }
-                    Err(err) => {
-                        info!(context, "CAPABILITY command error: {}", err);
+        let teardown = match &mut *self.session.lock().await {
+            Some(ref mut session) => match session.capabilities().await {
+                Ok(caps) => {
+                    if !context.sql.is_open() {
+                        warn!(context, "IMAP-LOGIN as {} ok but ABORTING", lp.mail_user,);
                        true
+                    } else {
+                        let can_idle = caps.has_str("IDLE");
+                        let has_xlist = caps.has_str("XLIST");
+                        let caps_list = caps.iter().fold(String::new(), |s, c| {
+                            if let Capability::Atom(x) = c {
+                                s + &format!(" {}", x)
+                            } else {
+                                s + &format!(" {:?}", c)
+                            }
+                        });
+
+                        self.config.write().await.can_idle = can_idle;
+                        self.config.write().await.has_xlist = has_xlist;
+                        *self.connected.lock().await = true;
+                        emit_event!(
+                            context,
+                            Event::ImapConnected(format!(
+                                "IMAP-LOGIN as {}, capabilities: {}",
+                                lp.mail_user, caps_list,
+                            ))
+                        );
+                        false
                    }
-                },
-                None => true,
-            };
+                }
+                Err(err) => {
+                    info!(context, "CAPABILITY command error: {}", err);
+                    true
+                }
+            },
+            None => true,
+        };

-            if teardown {
-                self.disconnect(context);
+        if teardown {
+            self.disconnect(context);

-                false
-            } else {
-                true
-            }
-        })
+            false
+        } else {
+            true
+        }
    }

    pub fn disconnect(&self, context: &Context) {
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,10 +1,6 @@
 #![deny(clippy::correctness, missing_debug_implementations, clippy::all)]
 // for now we hide warnings to not clutter/hide errors during "cargo clippy"
-#![allow(
-    clippy::type_complexity,
-    clippy::cognitive_complexity,
-    clippy::too_many_arguments
-)]
+#![allow(clippy::cognitive_complexity, clippy::too_many_arguments)]
 #![allow(clippy::unreadable_literal, clippy::match_bool)]
 #![feature(ptr_wrapping_offset_from)]
 #![feature(drain_filter)]
--- a/src/pgp.rs
+++ b/src/pgp.rs
@@ -16,7 +16,7 @@ use pgp::types::{
 };
 use rand::{thread_rng, CryptoRng, Rng};

-use crate::error::Error;
+use crate::error::Result;
 use crate::key::*;
 use crate::keyring::*;

@@ -88,9 +88,7 @@ impl<'a> PublicKeyTrait for SignedPublicKeyOrSubkey<'a> {
 /// Split data from PGP Armored Data as defined in https://tools.ietf.org/html/rfc4880#section-6.2.
 ///
 /// Returns (type, headers, base64 encoded body).
-pub fn split_armored_data(
-    buf: &[u8],
-) -> Result<(BlockType, BTreeMap<String, String>, Vec<u8>), Error> {
+pub fn split_armored_data(buf: &[u8]) -> Result<(BlockType, BTreeMap<String, String>, Vec<u8>)> {
    use std::io::Read;

    let cursor = Cursor::new(buf);
@@ -194,7 +192,7 @@ pub fn pk_encrypt(
    plain: &[u8],
    public_keys_for_encryption: &Keyring,
    private_key_for_signing: Option<&Key>,
-) -> Result<String, Error> {
+) -> Result<String> {
    let lit_msg = Message::new_literal_bytes("", plain);
    let pkeys: Vec<SignedPublicKeyOrSubkey> = public_keys_for_encryption
        .keys()
@@ -236,7 +234,7 @@ pub fn pk_decrypt(
    private_keys_for_decryption: &Keyring,
    public_keys_for_validation: &Keyring,
    ret_signature_fingerprints: Option<&mut HashSet<String>>,
-) -> Result<Vec<u8>, Error> {
+) -> Result<Vec<u8>> {
    let (msg, _) = Message::from_armor_single(Cursor::new(ctext))?;
    let skeys: Vec<&SignedSecretKey> = private_keys_for_decryption
        .keys()
@@ -248,7 +246,7 @@ pub fn pk_decrypt(
        .collect();

    let (decryptor, _) = msg.decrypt(|| "".into(), || "".into(), &skeys[..])?;
-    let msgs = decryptor.collect::<Result<Vec<_>, _>>()?;
+    let msgs = decryptor.collect::<pgp::errors::Result<Vec<_>>>()?;
    ensure!(!msgs.is_empty(), "No valid messages found");

    let dec_msg = &msgs[0];
@@ -280,7 +278,7 @@ pub fn pk_decrypt(
 }

 /// Symmetric encryption.
-pub fn symm_encrypt(passphrase: &str, plain: &[u8]) -> Result<String, Error> {
+pub fn symm_encrypt(passphrase: &str, plain: &[u8]) -> Result<String> {
    let mut rng = thread_rng();
    let lit_msg = Message::new_literal_bytes("", plain);

@@ -297,11 +295,11 @@ pub fn symm_encrypt(passphrase: &str, plain: &[u8]) -> Result<String, Error> {
 pub fn symm_decrypt<T: std::io::Read + std::io::Seek>(
    passphrase: &str,
    ctext: T,
-) -> Result<Vec<u8>, Error> {
+) -> Result<Vec<u8>> {
    let (enc_msg, _) = Message::from_armor_single(ctext)?;
    let decryptor = enc_msg.decrypt_with_password(|| passphrase.into())?;

-    let msgs = decryptor.collect::<Result<Vec<_>, _>>()?;
+    let msgs = decryptor.collect::<pgp::errors::Result<Vec<_>>>()?;
    ensure!(!msgs.is_empty(), "No valid messages found");

    match msgs[0].get_content()? {
--- a/test-data/image/avatar1000x1000.jpg
+++ b/test-data/image/avatar1000x1000.jpg
Author	SHA1	Message	Date
B. Petersen	4737062325	adapt tests for new avatar recoding	2019-12-15 21:56:52 +01:00
B. Petersen	6ee1e506da	recode group- and user-avatar to 192x192 pixel	2019-12-15 21:17:05 +01:00
B. Petersen	2481dd0ee2	add image crate	2019-12-15 18:09:45 +01:00
Alexander Krotov	e7351b1bb8	Restore constant and remove parenthesis	2019-12-15 16:43:12 +03:00
Alexander Krotov	b3ee89c6e5	Documentation improvements	2019-12-15 16:15:09 +03:00
Alexander Krotov	3f49492ccf	cargo fmt	2019-12-14 22:28:15 +01:00
Alexander Krotov	ad700b45d0	Make Imap.connect() async	2019-12-14 22:25:33 +01:00
Alexander Krotov	74923b4575	Enable clippy::type_complexity error	2019-12-14 22:00:38 +01:00
Alexander Krotov	81199e7ee0	Update Cargo.lock	2019-12-14 18:16:54 +00:00
Alexander Krotov	ccca1b0bea	Do not format! SQL queries	2019-12-14 18:16:54 +00:00
Alexander Krotov	ba1ced5e08	Switch to master branch of async-imap	2019-12-14 17:51:36 +01:00