Merge commit 'ea130ca' into logging_enabled
This commit is contained in:
Richard van der Hoff
commit
070390e180
9 changed files with 607 additions and 573 deletions
83
Makefile
83
Makefile
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@ -1,12 +1,13 @@
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#!/usr/bin/make -f
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BUILD_DIR := build
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OPTIMIZE_FLAGS ?= -g -O3
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TEST_OPTIMIZE_FLAGS ?= -g -O0
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RELEASE_OPTIMIZE_FLAGS ?= -g -O3
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DEBUG_OPTIMIZE_FLAGS ?= -g -O0
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JS_OPTIMIZE_FLAGS ?= -O3
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CC = gcc
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EMCC = emcc
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TARGET := $(BUILD_DIR)/libolm.so
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RELEASE_TARGET := $(BUILD_DIR)/libolm.so
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DEBUG_TARGET := $(BUILD_DIR)/libolm_debug.so
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JS_TARGET := javascript/olm.js
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JS_EXPORTED_FUNCTIONS := javascript/exported_functions.json
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@ -14,16 +15,17 @@ JS_EXPORTED_FUNCTIONS := javascript/exported_functions.json
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PUBLIC_HEADERS := include/olm/olm.hh
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SOURCES := $(wildcard src/*.cpp) $(wildcard src/*.c)
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OBJECTS := $(patsubst src/%,$(BUILD_DIR)/%,$(patsubst %.c,%.o,$(patsubst %.cpp,%.o,$(SOURCES))))
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RELEASE_OBJECTS := $(patsubst src/%,$(BUILD_DIR)/release/%,$(patsubst %.c,%.o,$(patsubst %.cpp,%.o,$(SOURCES))))
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DEBUG_OBJECTS := $(patsubst src/%,$(BUILD_DIR)/debug/%,$(patsubst %.c,%.o,$(patsubst %.cpp,%.o,$(SOURCES))))
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TEST_SOURCES := $(wildcard tests/test_*.cpp) $(wildcard tests/test_*.c)
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TEST_BINARIES := $(patsubst tests/%,$(BUILD_DIR)/%,$(patsubst %.c,%,$(patsubst %.cpp,%,$(TEST_SOURCES))))
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JS_OBJECTS := $(patsubst %.o,%.js.bc,$(OBJECTS))
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TEST_BINARIES := $(patsubst tests/%,$(BUILD_DIR)/tests/%,$(patsubst %.c,%,$(patsubst %.cpp,%,$(TEST_SOURCES))))
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JS_OBJECTS := $(patsubst src/%,$(BUILD_DIR)/javascript/%,$(patsubst %.c,%.js.bc,$(patsubst %.cpp,%.js.bc,$(SOURCES))))
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JS_PRE := $(wildcard javascript/*pre.js)
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JS_POST := $(wildcard javascript/*post.js)
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CPPFLAGS += -Iinclude -Ilib
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CFLAGS += -Wall --std=c89 -fPIC
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CXXFLAGS += -Wall --std=c++11 -fPIC
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CFLAGS += -Wall -std=c89 -fPIC
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CXXFLAGS += -Wall -std=c++11 -fPIC
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LDFLAGS += -Wall
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EMCCFLAGS = --closure 1 --memory-init-file 0 -s NO_FILESYSTEM=1 -s INVOKE_RUN=0
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@ -40,9 +42,13 @@ CPPFLAGS += -MMD
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### per-target variables
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$(OBJECTS): CFLAGS += $(OPTIMIZE_FLAGS)
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$(OBJECTS): CXXFLAGS += $(OPTIMIZE_FLAGS)
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$(TARGET): LDFLAGS += $(OPTIMIZE_FLAGS)
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$(RELEASE_OBJECTS): CFLAGS += $(RELEASE_OPTIMIZE_FLAGS)
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$(RELEASE_OBJECTS): CXXFLAGS += $(RELEASE_OPTIMIZE_FLAGS)
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$(RELEASE_TARGET): LDFLAGS += $(RELEASE_OPTIMIZE_FLAGS)
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$(DEBUG_OBJECTS): CFLAGS += $(DEBUG_OPTIMIZE_FLAGS)
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$(DEBUG_OBJECTS): CXXFLAGS += $(DEBUG_OPTIMIZE_FLAGS)
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$(DEBUG_TARGET): LDFLAGS += $(DEBUG_OPTIMIZE_FLAGS)
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$(TEST_BINARIES): CPPFLAGS += -Itests/include
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$(TEST_BINARIES): LDFLAGS += $(TEST_OPTIMIZE_FLAGS) -L$(BUILD_DIR)
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@ -53,13 +59,28 @@ $(JS_TARGET): LDFLAGS += $(JS_OPTIMIZE_FLAGS)
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### top-level targets
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lib: $(TARGET)
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lib: $(RELEASE_TARGET)
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.PHONY: lib
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$(TARGET): $(OBJECTS)
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# Make sure that the build directory exists.
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# We can't check the build directory into git because it is empty.
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makedirs:
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mkdir -p $(BUILD_DIR)/release $(BUILD_DIR)/debug $(BUILD_DIR)/javascript $(BUILD_DIR)/tests
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.PHONY: makedirs
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$(RELEASE_TARGET): $(RELEASE_OBJECTS)
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$(CXX) $(LDFLAGS) --shared -fPIC \
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-Wl,--version-script,version_script.ver \
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$(OUTPUT_OPTION) $(OBJECTS)
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$(OUTPUT_OPTION) $(RELEASE_OBJECTS)
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debug: $(DEBUG_TARGET)
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.PHONY: debug
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$(DEBUG_TARGET): $(DEBUG_OBJECTS)
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$(CXX) $(LDFLAGS) --shared -fPIC \
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-Wl,--version-script,version_script.ver \
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$(OUTPUT_OPTION) $(DEBUG_OBJECTS)
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js: $(JS_TARGET)
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.PHONY: js
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@ -71,11 +92,12 @@ $(JS_TARGET): $(JS_OBJECTS) $(JS_PRE) $(JS_POST) $(JS_EXPORTED_FUNCTIONS)
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$(JS_OBJECTS) -o $@
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clean:;
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rm -rf $(OBJECTS) $(OBJECTS:.o=.d) \
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rm -rf $(RELEASE_OBJECTS) $(RELEASE_OBJECTS:.o=.d) \
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$(DEBUG_OBJECTS) $(DEBUG_OBJECTS:.o=.d) \
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$(TEST_BINARIES) $(TEST_BINARIES:=.d) \
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$(JS_OBJECTS) $(JS_OBJECTS:=.d) $(JS_TARGET) \
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$(JS_OBJECTS) $(JS_OBJECTS:.bc=.d) $(JS_TARGET) \
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$(JS_EXPORTED_FUNCTIONS) \
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$(TARGET)
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$(RELEASE_TARGET) $(DEBUG_TARGET)\
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build_tests: $(TEST_BINARIES)
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@ -89,31 +111,38 @@ $(JS_EXPORTED_FUNCTIONS): $(PUBLIC_HEADERS)
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perl -MJSON -ne '/(olm_[^( ]*)\(/ && push @f, "_$$1"; END { print encode_json \@f }' $^ > $@.tmp
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mv $@.tmp $@
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all: test js lib
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all: test js lib debug
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.PHONY: lib
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### rules for building objects
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$(BUILD_DIR)/%.o: src/%.c
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$(BUILD_DIR)/release/%.o: src/%.c | makedirs
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$(COMPILE.c) $(OUTPUT_OPTION) $<
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$(BUILD_DIR)/%.o: src/%.cpp
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$(BUILD_DIR)/release/%.o: src/%.cpp | makedirs
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$(COMPILE.cc) $(OUTPUT_OPTION) $<
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$(BUILD_DIR)/%.js.bc: src/%.c
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$(BUILD_DIR)/debug/%.o: src/%.c | makedirs
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$(COMPILE.c) $(OUTPUT_OPTION) $<
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$(BUILD_DIR)/debug/%.o: src/%.cpp | makedirs
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$(COMPILE.cc) $(OUTPUT_OPTION) $<
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$(BUILD_DIR)/javascript/%.js.bc: src/%.c | makedirs
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$(EMCC.c) $(OUTPUT_OPTION) $<
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$(BUILD_DIR)/%.js.bc: src/%.cpp
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$(BUILD_DIR)/javascript/%.js.bc: src/%.cpp | makedirs
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$(EMCC.cc) $(OUTPUT_OPTION) $<
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$(BUILD_DIR)/%: tests/%.c $(OBJECTS)
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$(LINK.c) $< $(OBJECTS) $(LOADLIBES) $(LDLIBS) -o $@
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$(BUILD_DIR)/tests/%: tests/%.c $(DEBUG_OBJECTS)
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$(LINK.c) $< $(DEBUG_OBJECTS) $(LOADLIBES) $(LDLIBS) -o $@
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$(BUILD_DIR)/%: tests/%.cpp $(OBJECTS)
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$(LINK.cc) $< $(OBJECTS) $(LOADLIBES) $(LDLIBS) -o $@
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$(BUILD_DIR)/tests/%: tests/%.cpp $(DEBUG_OBJECTS)
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$(LINK.cc) $< $(DEBUG_OBJECTS) $(LOADLIBES) $(LDLIBS) -o $@
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### dependencies
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-include $(OBJECTS:.o=.d)
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-include $(RELEASE_OBJECTS:.o=.d)
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-include $(DEBUG_OBJECTS:.o=.d)
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-include $(JS_OBJECTS:.bc=.d)
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-include $(TEST_BINARIES:=.d)
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|
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3
python/.gitignore
vendored
Normal file
3
python/.gitignore
vendored
Normal file
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@ -0,0 +1,3 @@
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*.pyc
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/*.account
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/*.session
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542
python/olm.py
542
python/olm.py
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@ -1,542 +0,0 @@
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#! /usr/bin/env python
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from ctypes import *
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import json
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import os
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lib = cdll.LoadLibrary(os.path.join(
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os.path.dirname(__file__), "..", "build", "libolm.so")
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)
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lib.olm_error.argtypes = []
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lib.olm_error.restypes = c_size_t
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ERR = lib.olm_error()
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class OlmError(Exception):
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pass
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lib.olm_account_size.argtypes = []
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lib.olm_account_size.restype = c_size_t
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lib.olm_account.argtypes = [c_void_p]
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lib.olm_account.restype = c_void_p
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lib.olm_account_last_error.argtypes = [c_void_p]
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lib.olm_account_last_error.restype = c_char_p
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def account_errcheck(res, func, args):
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if res == ERR:
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raise OlmError("%s: %s" % (
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func.__name__, lib.olm_account_last_error(args[0])
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))
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return res
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def account_function(func, *types):
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func.argtypes = (c_void_p,) + types
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func.restypes = c_size_t
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func.errcheck = account_errcheck
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account_function(
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lib.olm_pickle_account, c_void_p, c_size_t, c_void_p, c_size_t
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)
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account_function(
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lib.olm_unpickle_account, c_void_p, c_size_t, c_void_p, c_size_t
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)
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account_function(lib.olm_create_account_random_length)
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account_function(lib.olm_create_account, c_void_p, c_size_t)
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account_function(lib.olm_account_identity_keys_length)
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account_function(lib.olm_account_identity_keys, c_void_p, c_size_t)
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account_function(lib.olm_account_signature_length)
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account_function(lib.olm_account_sign, c_void_p, c_size_t, c_void_p, c_size_t)
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account_function(lib.olm_account_one_time_keys_length)
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account_function(lib.olm_account_one_time_keys, c_void_p, c_size_t)
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account_function(lib.olm_account_mark_keys_as_published)
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account_function(lib.olm_account_max_number_of_one_time_keys)
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account_function(
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lib.olm_account_generate_one_time_keys_random_length,
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c_size_t
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)
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account_function(
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lib.olm_account_generate_one_time_keys,
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c_size_t,
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c_void_p, c_size_t
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)
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def read_random(n):
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with open("/dev/urandom", "rb") as f:
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return f.read(n)
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class Account(object):
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def __init__(self):
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self.buf = create_string_buffer(lib.olm_account_size())
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self.ptr = lib.olm_account(self.buf)
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def create(self):
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random_length = lib.olm_create_account_random_length(self.ptr)
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random = read_random(random_length)
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random_buffer = create_string_buffer(random)
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lib.olm_create_account(self.ptr, random_buffer, random_length)
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def pickle(self, key):
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key_buffer = create_string_buffer(key)
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pickle_length = lib.olm_pickle_account_length(self.ptr)
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pickle_buffer = create_string_buffer(pickle_length)
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lib.olm_pickle_account(
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self.ptr, key_buffer, len(key), pickle_buffer, pickle_length
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)
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return pickle_buffer.raw
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|
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def unpickle(self, key, pickle):
|
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key_buffer = create_string_buffer(key)
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pickle_buffer = create_string_buffer(pickle)
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lib.olm_unpickle_account(
|
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self.ptr, key_buffer, len(key), pickle_buffer, len(pickle)
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)
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|
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def identity_keys(self):
|
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out_length = lib.olm_account_identity_keys_length(self.ptr)
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out_buffer = create_string_buffer(out_length)
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lib.olm_account_identity_keys(
|
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self.ptr,
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out_buffer, out_length
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)
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return json.loads(out_buffer.raw)
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|
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def sign(self, message):
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out_length = lib.olm_account_signature_length(self.ptr)
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message_buffer = create_string_buffer(message)
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out_buffer = create_string_buffer(out_length)
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lib.olm_account_sign(
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self.ptr, message_buffer, len(message), out_buffer, out_length
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)
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return out_buffer.raw
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|
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def one_time_keys(self):
|
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out_length = lib.olm_account_one_time_keys_length(self.ptr)
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out_buffer = create_string_buffer(out_length)
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lib.olm_account_one_time_keys(self.ptr, out_buffer, out_length)
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return json.loads(out_buffer.raw)
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|
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def mark_keys_as_published(self):
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lib.olm_account_mark_keys_as_published(self.ptr)
|
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|
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def max_number_of_one_time_keys(self):
|
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return lib.olm_account_max_number_of_one_time_keys(self.ptr)
|
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|
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def generate_one_time_keys(self, count):
|
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random_length = lib.olm_account_generate_one_time_keys_random_length(
|
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self.ptr, count
|
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)
|
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random = read_random(random_length)
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random_buffer = create_string_buffer(random)
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lib.olm_account_generate_one_time_keys(
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self.ptr, count, random_buffer, random_length
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)
|
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|
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def clear(self):
|
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pass
|
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|
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|
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lib.olm_session_size.argtypes = []
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lib.olm_session_size.restype = c_size_t
|
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|
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lib.olm_session.argtypes = [c_void_p]
|
||||
lib.olm_session.restype = c_void_p
|
||||
|
||||
lib.olm_session_last_error.argtypes = [c_void_p]
|
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lib.olm_session_last_error.restype = c_char_p
|
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|
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|
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def session_errcheck(res, func, args):
|
||||
if res == ERR:
|
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raise OlmError("%s: %s" % (
|
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func.__name__, lib.olm_session_last_error(args[0])
|
||||
))
|
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return res
|
||||
|
||||
|
||||
def session_function(func, *types):
|
||||
func.argtypes = (c_void_p,) + types
|
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func.restypes = c_size_t
|
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func.errcheck = session_errcheck
|
||||
|
||||
session_function(lib.olm_session_last_error)
|
||||
session_function(
|
||||
lib.olm_pickle_session, c_void_p, c_size_t, c_void_p, c_size_t
|
||||
)
|
||||
session_function(
|
||||
lib.olm_unpickle_session, c_void_p, c_size_t, c_void_p, c_size_t
|
||||
)
|
||||
session_function(lib.olm_create_outbound_session_random_length)
|
||||
session_function(
|
||||
lib.olm_create_outbound_session,
|
||||
c_void_p, # Account
|
||||
c_void_p, c_size_t, # Identity Key
|
||||
c_void_p, c_size_t, # One Time Key
|
||||
c_void_p, c_size_t, # Random
|
||||
)
|
||||
session_function(
|
||||
lib.olm_create_inbound_session,
|
||||
c_void_p, # Account
|
||||
c_void_p, c_size_t, # Pre Key Message
|
||||
)
|
||||
session_function(
|
||||
lib.olm_create_inbound_session_from,
|
||||
c_void_p, # Account
|
||||
c_void_p, c_size_t, # Identity Key
|
||||
c_void_p, c_size_t, # Pre Key Message
|
||||
)
|
||||
session_function(lib.olm_session_id_length)
|
||||
session_function(lib.olm_session_id, c_void_p, c_size_t)
|
||||
session_function(lib.olm_matches_inbound_session, c_void_p, c_size_t)
|
||||
session_function(
|
||||
lib.olm_matches_inbound_session_from,
|
||||
c_void_p, c_size_t, # Identity Key
|
||||
c_void_p, c_size_t, # Pre Key Message
|
||||
)
|
||||
session_function(lib.olm_encrypt_message_type)
|
||||
session_function(lib.olm_encrypt_random_length)
|
||||
session_function(lib.olm_encrypt_message_length, c_size_t)
|
||||
session_function(
|
||||
lib.olm_encrypt,
|
||||
c_void_p, c_size_t, # Plaintext
|
||||
c_void_p, c_size_t, # Random
|
||||
c_void_p, c_size_t, # Message
|
||||
);
|
||||
session_function(
|
||||
lib.olm_decrypt_max_plaintext_length,
|
||||
c_size_t, # Message Type
|
||||
c_void_p, c_size_t, # Message
|
||||
)
|
||||
session_function(
|
||||
lib.olm_decrypt,
|
||||
c_size_t, # Message Type
|
||||
c_void_p, c_size_t, # Message
|
||||
c_void_p, c_size_t, # Plaintext
|
||||
)
|
||||
|
||||
class Session(object):
|
||||
def __init__(self):
|
||||
self.buf = create_string_buffer(lib.olm_session_size())
|
||||
self.ptr = lib.olm_session(self.buf)
|
||||
|
||||
def pickle(self, key):
|
||||
key_buffer = create_string_buffer(key)
|
||||
pickle_length = lib.olm_pickle_session_length(self.ptr)
|
||||
pickle_buffer = create_string_buffer(pickle_length)
|
||||
lib.olm_pickle_session(
|
||||
self.ptr, key_buffer, len(key), pickle_buffer, pickle_length
|
||||
)
|
||||
return pickle_buffer.raw
|
||||
|
||||
def unpickle(self, key, pickle):
|
||||
key_buffer = create_string_buffer(key)
|
||||
pickle_buffer = create_string_buffer(pickle)
|
||||
lib.olm_unpickle_session(
|
||||
self.ptr, key_buffer, len(key), pickle_buffer, len(pickle)
|
||||
)
|
||||
|
||||
def create_outbound(self, account, identity_key, one_time_key):
|
||||
r_length = lib.olm_create_outbound_session_random_length(self.ptr)
|
||||
random = read_random(r_length)
|
||||
random_buffer = create_string_buffer(random)
|
||||
identity_key_buffer = create_string_buffer(identity_key)
|
||||
one_time_key_buffer = create_string_buffer(one_time_key)
|
||||
lib.olm_create_outbound_session(
|
||||
self.ptr,
|
||||
account.ptr,
|
||||
identity_key_buffer, len(identity_key),
|
||||
one_time_key_buffer, len(one_time_key),
|
||||
random_buffer, r_length
|
||||
)
|
||||
|
||||
def create_inbound(self, account, one_time_key_message):
|
||||
one_time_key_message_buffer = create_string_buffer(one_time_key_message)
|
||||
lib.olm_create_inbound_session(
|
||||
self.ptr,
|
||||
account.ptr,
|
||||
one_time_key_message_buffer, len(one_time_key_message)
|
||||
)
|
||||
|
||||
def create_inbound_from(self, account, identity_key, one_time_key_message):
|
||||
identity_key_buffer = create_string_buffer(identity_key)
|
||||
one_time_key_message_buffer = create_string_buffer(one_time_key_message)
|
||||
lib.olm_create_inbound_session_from(
|
||||
self.ptr,
|
||||
account.ptr,
|
||||
identity_key_buffer, len(identity_key),
|
||||
one_time_key_message_buffer, len(one_time_key_message)
|
||||
)
|
||||
|
||||
def session_id(self):
|
||||
id_length = lib.olm_session_id_length(self.ptr)
|
||||
id_buffer = create_string_buffer(id_length)
|
||||
lib.olm_session_id(self.ptr, id_buffer, id_length);
|
||||
return id_buffer.raw
|
||||
|
||||
def matches_inbound(self, one_time_key_message):
|
||||
one_time_key_message_buffer = create_string_buffer(one_time_key_message)
|
||||
return bool(lib.olm_matches_inbound_session(
|
||||
self.ptr,
|
||||
one_time_key_message_buffer, len(one_time_key_message)
|
||||
))
|
||||
|
||||
def matches_inbound_from(self, identity_key, one_time_key_message):
|
||||
identity_key_buffer = create_string_buffer(identity_key)
|
||||
one_time_key_message_buffer = create_string_buffer(one_time_key_message)
|
||||
return bool(lib.olm_matches_inbound_session(
|
||||
self.ptr,
|
||||
identity_key_buffer, len(identity_key),
|
||||
one_time_key_message_buffer, len(one_time_key_message)
|
||||
))
|
||||
|
||||
def encrypt(self, plaintext):
|
||||
r_length = lib.olm_encrypt_random_length(self.ptr)
|
||||
random = read_random(r_length)
|
||||
random_buffer = create_string_buffer(random)
|
||||
|
||||
message_type = lib.olm_encrypt_message_type(self.ptr)
|
||||
message_length = lib.olm_encrypt_message_length(
|
||||
self.ptr, len(plaintext)
|
||||
)
|
||||
message_buffer = create_string_buffer(message_length)
|
||||
|
||||
plaintext_buffer = create_string_buffer(plaintext)
|
||||
|
||||
lib.olm_encrypt(
|
||||
self.ptr,
|
||||
plaintext_buffer, len(plaintext),
|
||||
random_buffer, r_length,
|
||||
message_buffer, message_length,
|
||||
)
|
||||
return message_type, message_buffer.raw
|
||||
|
||||
def decrypt(self, message_type, message):
|
||||
message_buffer = create_string_buffer(message)
|
||||
max_plaintext_length = lib.olm_decrypt_max_plaintext_length(
|
||||
self.ptr, message_type, message_buffer, len(message)
|
||||
)
|
||||
plaintext_buffer = create_string_buffer(max_plaintext_length)
|
||||
message_buffer = create_string_buffer(message)
|
||||
plaintext_length = lib.olm_decrypt(
|
||||
self.ptr, message_type, message_buffer, len(message),
|
||||
plaintext_buffer, max_plaintext_length
|
||||
)
|
||||
return plaintext_buffer.raw[:plaintext_length]
|
||||
|
||||
def clear(self):
|
||||
pass
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
import argparse
|
||||
import sys
|
||||
import os
|
||||
import yaml
|
||||
|
||||
parser = argparse.ArgumentParser()
|
||||
parser.add_argument("--key", help="Account encryption key", default="")
|
||||
commands = parser.add_subparsers()
|
||||
|
||||
create_account = commands.add_parser("create_account", help="Create a new account")
|
||||
create_account.add_argument("account_file", help="Local account file")
|
||||
|
||||
def do_create_account(args):
|
||||
if os.path.exists(args.account_file):
|
||||
sys.stderr.write("Account %r file already exists" % (
|
||||
args.account_file,
|
||||
))
|
||||
sys.exit(1)
|
||||
account = Account()
|
||||
account.create()
|
||||
with open(args.account_file, "wb") as f:
|
||||
f.write(account.pickle(args.key))
|
||||
|
||||
create_account.set_defaults(func=do_create_account)
|
||||
|
||||
keys = commands.add_parser("keys", help="List public keys for an account")
|
||||
keys.add_argument("account_file", help="Local account file")
|
||||
keys.add_argument("--json", action="store_true", help="Output as JSON")
|
||||
|
||||
def do_keys(args):
|
||||
account = Account()
|
||||
with open(args.account_file, "rb") as f:
|
||||
account.unpickle(args.key, f.read())
|
||||
result = {
|
||||
"account_keys": account.identity_keys(),
|
||||
"one_time_keys": account.one_time_keys(),
|
||||
}
|
||||
try:
|
||||
if args.json:
|
||||
json.dump(result, sys.stdout, indent=4)
|
||||
else:
|
||||
yaml.safe_dump(result, sys.stdout, default_flow_style=False)
|
||||
except:
|
||||
pass
|
||||
|
||||
keys.set_defaults(func=do_keys)
|
||||
|
||||
sign = commands.add_parser("sign", help="Sign a message")
|
||||
sign.add_argument("account_file", help="Local account file")
|
||||
sign.add_argument("message_file", help="Message to sign")
|
||||
sign.add_argument("signature_file", help="Signature to output")
|
||||
|
||||
def do_sign(args):
|
||||
account = Account()
|
||||
with open(args.account_file, "rb") as f:
|
||||
account.unpickle(args.key, f.read())
|
||||
with open_in(args.message_file) as f:
|
||||
message = f.read()
|
||||
signature = account.sign(message)
|
||||
with open_out(args.signature_file) as f:
|
||||
f.write(signature)
|
||||
|
||||
sign.set_defaults(func=do_sign)
|
||||
|
||||
|
||||
generate_keys = commands.add_parser("generate_keys", help="Generate one time keys")
|
||||
generate_keys.add_argument("account_file", help="Local account file")
|
||||
generate_keys.add_argument("count", type=int, help="Number of keys to generate")
|
||||
|
||||
def do_generate_keys(args):
|
||||
account = Account()
|
||||
with open(args.account_file, "rb") as f:
|
||||
account.unpickle(args.key, f.read())
|
||||
account.generate_one_time_keys(args.count)
|
||||
with open(args.account_file, "wb") as f:
|
||||
f.write(account.pickle(args.key))
|
||||
|
||||
generate_keys.set_defaults(func=do_generate_keys)
|
||||
|
||||
|
||||
outbound = commands.add_parser("outbound", help="Create an outbound session")
|
||||
outbound.add_argument("account_file", help="Local account file")
|
||||
outbound.add_argument("session_file", help="Local session file")
|
||||
outbound.add_argument("identity_key", help="Remote identity key")
|
||||
outbound.add_argument("one_time_key", help="Remote one time key")
|
||||
|
||||
def do_outbound(args):
|
||||
if os.path.exists(args.session_file):
|
||||
sys.stderr.write("Session %r file already exists" % (
|
||||
args.session_file,
|
||||
))
|
||||
sys.exit(1)
|
||||
account = Account()
|
||||
with open(args.account_file, "rb") as f:
|
||||
account.unpickle(args.key, f.read())
|
||||
session = Session()
|
||||
session.create_outbound(
|
||||
account, args.identity_key, args.one_time_key
|
||||
)
|
||||
with open(args.session_file, "wb") as f:
|
||||
f.write(session.pickle(args.key))
|
||||
|
||||
outbound.set_defaults(func=do_outbound)
|
||||
|
||||
def open_in(path):
|
||||
if path == "-":
|
||||
return sys.stdin
|
||||
else:
|
||||
return open(path, "rb")
|
||||
|
||||
def open_out(path):
|
||||
if path == "-":
|
||||
return sys.stdout
|
||||
else:
|
||||
return open(path, "wb")
|
||||
|
||||
inbound = commands.add_parser("inbound", help="Create an inbound session")
|
||||
inbound.add_argument("account_file", help="Local account file")
|
||||
inbound.add_argument("session_file", help="Local session file")
|
||||
inbound.add_argument("message_file", help="Message", default="-")
|
||||
inbound.add_argument("plaintext_file", help="Plaintext", default="-")
|
||||
|
||||
def do_inbound(args):
|
||||
if os.path.exists(args.session_file):
|
||||
sys.stderr.write("Session %r file already exists" % (
|
||||
args.session_file,
|
||||
))
|
||||
sys.exit(1)
|
||||
account = Account()
|
||||
with open(args.account_file, "rb") as f:
|
||||
account.unpickle(args.key, f.read())
|
||||
with open_in(args.message_file) as f:
|
||||
message_type = f.read(8)
|
||||
message = f.read()
|
||||
if message_type != "PRE_KEY ":
|
||||
sys.stderr.write("Expecting a PRE_KEY message")
|
||||
sys.exit(1)
|
||||
session = Session()
|
||||
session.create_inbound(account, message)
|
||||
plaintext = session.decrypt(0, message)
|
||||
with open(args.session_file, "wb") as f:
|
||||
f.write(session.pickle(args.key))
|
||||
with open_out(args.plaintext_file) as f:
|
||||
f.write(plaintext)
|
||||
|
||||
inbound.set_defaults(func=do_inbound)
|
||||
|
||||
session_id = commands.add_parser("session_id", help="Session ID")
|
||||
session_id.add_argument("session_file", help="Local session file")
|
||||
|
||||
def do_session_id(args):
|
||||
session = Session()
|
||||
with open(args.session_file, "rb") as f:
|
||||
session.unpickle(args.key, f.read())
|
||||
sys.stdout.write(session.session_id() + "\n")
|
||||
|
||||
session_id.set_defaults(func=do_session_id)
|
||||
|
||||
encrypt = commands.add_parser("encrypt", help="Encrypt a message")
|
||||
encrypt.add_argument("session_file", help="Local session file")
|
||||
encrypt.add_argument("plaintext_file", help="Plaintext", default="-")
|
||||
encrypt.add_argument("message_file", help="Message", default="-")
|
||||
|
||||
def do_encrypt(args):
|
||||
session = Session()
|
||||
with open(args.session_file, "rb") as f:
|
||||
session.unpickle(args.key, f.read())
|
||||
with open_in(args.plaintext_file) as f:
|
||||
plaintext = f.read()
|
||||
message_type, message = session.encrypt(plaintext)
|
||||
with open(args.session_file, "wb") as f:
|
||||
f.write(session.pickle(args.key))
|
||||
with open_out(args.message_file) as f:
|
||||
f.write(["PRE_KEY ", "MESSAGE "][message_type])
|
||||
f.write(message)
|
||||
|
||||
encrypt.set_defaults(func=do_encrypt)
|
||||
|
||||
decrypt = commands.add_parser("decrypt", help="Decrypt a message")
|
||||
decrypt.add_argument("session_file", help="Local session file")
|
||||
decrypt.add_argument("message_file", help="Message", default="-")
|
||||
decrypt.add_argument("plaintext_file", help="Plaintext", default="-")
|
||||
|
||||
def do_decrypt(args):
|
||||
session = Session()
|
||||
with open(args.session_file, "rb") as f:
|
||||
session.unpickle(args.key, f.read())
|
||||
with open_in(args.message_file) as f:
|
||||
message_type = f.read(8)
|
||||
message = f.read()
|
||||
if message_type not in {"PRE_KEY ", "MESSAGE "}:
|
||||
sys.stderr.write("Expecting a PRE_KEY or MESSAGE message")
|
||||
sys.exit(1)
|
||||
message_type = 1 if message_type == "MESSAGE " else 0
|
||||
plaintext = session.decrypt(message_type, message)
|
||||
with open(args.session_file, "wb") as f:
|
||||
f.write(session.pickle(args.key))
|
||||
with open_out(args.plaintext_file) as f:
|
||||
f.write(plaintext)
|
||||
|
||||
decrypt.set_defaults(func=do_decrypt)
|
||||
|
||||
args = parser.parse_args()
|
||||
args.func(args)
|
||||
|
||||
|
||||
2
python/olm/__init__.py
Normal file
2
python/olm/__init__.py
Normal file
|
|
@ -0,0 +1,2 @@
|
|||
from .account import Account
|
||||
from .session import Session
|
||||
210
python/olm/__main__.py
Executable file
210
python/olm/__main__.py
Executable file
|
|
@ -0,0 +1,210 @@
|
|||
#! /usr/bin/env python
|
||||
|
||||
import argparse
|
||||
import json
|
||||
import os
|
||||
import sys
|
||||
import yaml
|
||||
|
||||
from . import *
|
||||
|
||||
if __name__ == '__main__':
|
||||
parser = argparse.ArgumentParser()
|
||||
parser.add_argument("--key", help="Account encryption key", default="")
|
||||
commands = parser.add_subparsers()
|
||||
|
||||
create_account = commands.add_parser("create_account", help="Create a new account")
|
||||
create_account.add_argument("account_file", help="Local account file")
|
||||
|
||||
def do_create_account(args):
|
||||
if os.path.exists(args.account_file):
|
||||
sys.stderr.write("Account %r file already exists" % (
|
||||
args.account_file,
|
||||
))
|
||||
sys.exit(1)
|
||||
account = Account()
|
||||
account.create()
|
||||
with open(args.account_file, "wb") as f:
|
||||
f.write(account.pickle(args.key))
|
||||
|
||||
create_account.set_defaults(func=do_create_account)
|
||||
|
||||
keys = commands.add_parser("keys", help="List public keys for an account")
|
||||
keys.add_argument("account_file", help="Local account file")
|
||||
keys.add_argument("--json", action="store_true", help="Output as JSON")
|
||||
|
||||
def do_keys(args):
|
||||
account = Account()
|
||||
with open(args.account_file, "rb") as f:
|
||||
account.unpickle(args.key, f.read())
|
||||
result = {
|
||||
"account_keys": account.identity_keys(),
|
||||
"one_time_keys": account.one_time_keys(),
|
||||
}
|
||||
try:
|
||||
if args.json:
|
||||
json.dump(result, sys.stdout, indent=4)
|
||||
else:
|
||||
yaml.safe_dump(result, sys.stdout, default_flow_style=False)
|
||||
except:
|
||||
pass
|
||||
|
||||
keys.set_defaults(func=do_keys)
|
||||
|
||||
sign = commands.add_parser("sign", help="Sign a message")
|
||||
sign.add_argument("account_file", help="Local account file")
|
||||
sign.add_argument("message_file", help="Message to sign")
|
||||
sign.add_argument("signature_file", help="Signature to output")
|
||||
|
||||
def do_sign(args):
|
||||
account = Account()
|
||||
with open(args.account_file, "rb") as f:
|
||||
account.unpickle(args.key, f.read())
|
||||
with open_in(args.message_file) as f:
|
||||
message = f.read()
|
||||
signature = account.sign(message)
|
||||
with open_out(args.signature_file) as f:
|
||||
f.write(signature)
|
||||
|
||||
sign.set_defaults(func=do_sign)
|
||||
|
||||
|
||||
generate_keys = commands.add_parser("generate_keys", help="Generate one time keys")
|
||||
generate_keys.add_argument("account_file", help="Local account file")
|
||||
generate_keys.add_argument("count", type=int, help="Number of keys to generate")
|
||||
|
||||
def do_generate_keys(args):
|
||||
account = Account()
|
||||
with open(args.account_file, "rb") as f:
|
||||
account.unpickle(args.key, f.read())
|
||||
account.generate_one_time_keys(args.count)
|
||||
with open(args.account_file, "wb") as f:
|
||||
f.write(account.pickle(args.key))
|
||||
|
||||
generate_keys.set_defaults(func=do_generate_keys)
|
||||
|
||||
|
||||
outbound = commands.add_parser("outbound", help="Create an outbound session")
|
||||
outbound.add_argument("account_file", help="Local account file")
|
||||
outbound.add_argument("session_file", help="Local session file")
|
||||
outbound.add_argument("identity_key", help="Remote identity key")
|
||||
outbound.add_argument("one_time_key", help="Remote one time key")
|
||||
|
||||
def do_outbound(args):
|
||||
if os.path.exists(args.session_file):
|
||||
sys.stderr.write("Session %r file already exists" % (
|
||||
args.session_file,
|
||||
))
|
||||
sys.exit(1)
|
||||
account = Account()
|
||||
with open(args.account_file, "rb") as f:
|
||||
account.unpickle(args.key, f.read())
|
||||
session = Session()
|
||||
session.create_outbound(
|
||||
account, args.identity_key, args.one_time_key
|
||||
)
|
||||
with open(args.session_file, "wb") as f:
|
||||
f.write(session.pickle(args.key))
|
||||
|
||||
outbound.set_defaults(func=do_outbound)
|
||||
|
||||
def open_in(path):
|
||||
if path == "-":
|
||||
return sys.stdin
|
||||
else:
|
||||
return open(path, "rb")
|
||||
|
||||
def open_out(path):
|
||||
if path == "-":
|
||||
return sys.stdout
|
||||
else:
|
||||
return open(path, "wb")
|
||||
|
||||
inbound = commands.add_parser("inbound", help="Create an inbound session")
|
||||
inbound.add_argument("account_file", help="Local account file")
|
||||
inbound.add_argument("session_file", help="Local session file")
|
||||
inbound.add_argument("message_file", help="Message", default="-")
|
||||
inbound.add_argument("plaintext_file", help="Plaintext", default="-")
|
||||
|
||||
def do_inbound(args):
|
||||
if os.path.exists(args.session_file):
|
||||
sys.stderr.write("Session %r file already exists" % (
|
||||
args.session_file,
|
||||
))
|
||||
sys.exit(1)
|
||||
account = Account()
|
||||
with open(args.account_file, "rb") as f:
|
||||
account.unpickle(args.key, f.read())
|
||||
with open_in(args.message_file) as f:
|
||||
message_type = f.read(8)
|
||||
message = f.read()
|
||||
if message_type != "PRE_KEY ":
|
||||
sys.stderr.write("Expecting a PRE_KEY message")
|
||||
sys.exit(1)
|
||||
session = Session()
|
||||
session.create_inbound(account, message)
|
||||
plaintext = session.decrypt(0, message)
|
||||
with open(args.session_file, "wb") as f:
|
||||
f.write(session.pickle(args.key))
|
||||
with open_out(args.plaintext_file) as f:
|
||||
f.write(plaintext)
|
||||
|
||||
inbound.set_defaults(func=do_inbound)
|
||||
|
||||
session_id = commands.add_parser("session_id", help="Session ID")
|
||||
session_id.add_argument("session_file", help="Local session file")
|
||||
|
||||
def do_session_id(args):
|
||||
session = Session()
|
||||
with open(args.session_file, "rb") as f:
|
||||
session.unpickle(args.key, f.read())
|
||||
sys.stdout.write(session.session_id() + "\n")
|
||||
|
||||
session_id.set_defaults(func=do_session_id)
|
||||
|
||||
encrypt = commands.add_parser("encrypt", help="Encrypt a message")
|
||||
encrypt.add_argument("session_file", help="Local session file")
|
||||
encrypt.add_argument("plaintext_file", help="Plaintext", default="-")
|
||||
encrypt.add_argument("message_file", help="Message", default="-")
|
||||
|
||||
def do_encrypt(args):
|
||||
session = Session()
|
||||
with open(args.session_file, "rb") as f:
|
||||
session.unpickle(args.key, f.read())
|
||||
with open_in(args.plaintext_file) as f:
|
||||
plaintext = f.read()
|
||||
message_type, message = session.encrypt(plaintext)
|
||||
with open(args.session_file, "wb") as f:
|
||||
f.write(session.pickle(args.key))
|
||||
with open_out(args.message_file) as f:
|
||||
f.write(["PRE_KEY ", "MESSAGE "][message_type])
|
||||
f.write(message)
|
||||
|
||||
encrypt.set_defaults(func=do_encrypt)
|
||||
|
||||
decrypt = commands.add_parser("decrypt", help="Decrypt a message")
|
||||
decrypt.add_argument("session_file", help="Local session file")
|
||||
decrypt.add_argument("message_file", help="Message", default="-")
|
||||
decrypt.add_argument("plaintext_file", help="Plaintext", default="-")
|
||||
|
||||
def do_decrypt(args):
|
||||
session = Session()
|
||||
with open(args.session_file, "rb") as f:
|
||||
session.unpickle(args.key, f.read())
|
||||
with open_in(args.message_file) as f:
|
||||
message_type = f.read(8)
|
||||
message = f.read()
|
||||
if message_type not in {"PRE_KEY ", "MESSAGE "}:
|
||||
sys.stderr.write("Expecting a PRE_KEY or MESSAGE message")
|
||||
sys.exit(1)
|
||||
message_type = 1 if message_type == "MESSAGE " else 0
|
||||
plaintext = session.decrypt(message_type, message)
|
||||
with open(args.session_file, "wb") as f:
|
||||
f.write(session.pickle(args.key))
|
||||
with open_out(args.plaintext_file) as f:
|
||||
f.write(plaintext)
|
||||
|
||||
decrypt.set_defaults(func=do_decrypt)
|
||||
|
||||
args = parser.parse_args()
|
||||
args.func(args)
|
||||
19
python/olm/_base.py
Normal file
19
python/olm/_base.py
Normal file
|
|
@ -0,0 +1,19 @@
|
|||
import os.path
|
||||
|
||||
from ctypes import *
|
||||
|
||||
def read_random(n):
|
||||
with open("/dev/urandom", "rb") as f:
|
||||
return f.read(n)
|
||||
|
||||
lib = cdll.LoadLibrary(os.path.join(
|
||||
os.path.dirname(__file__), "..", "..", "build", "libolm.so")
|
||||
)
|
||||
|
||||
lib.olm_error.argtypes = []
|
||||
lib.olm_error.restypes = c_size_t
|
||||
|
||||
ERR = lib.olm_error()
|
||||
|
||||
class OlmError(Exception):
|
||||
pass
|
||||
121
python/olm/account.py
Normal file
121
python/olm/account.py
Normal file
|
|
@ -0,0 +1,121 @@
|
|||
import json
|
||||
|
||||
from ._base import *
|
||||
|
||||
lib.olm_account_size.argtypes = []
|
||||
lib.olm_account_size.restype = c_size_t
|
||||
|
||||
lib.olm_account.argtypes = [c_void_p]
|
||||
lib.olm_account.restype = c_void_p
|
||||
|
||||
lib.olm_account_last_error.argtypes = [c_void_p]
|
||||
lib.olm_account_last_error.restype = c_char_p
|
||||
|
||||
def account_errcheck(res, func, args):
|
||||
if res == ERR:
|
||||
raise OlmError("%s: %s" % (
|
||||
func.__name__, lib.olm_account_last_error(args[0])
|
||||
))
|
||||
return res
|
||||
|
||||
|
||||
def account_function(func, *types):
|
||||
func.argtypes = (c_void_p,) + types
|
||||
func.restypes = c_size_t
|
||||
func.errcheck = account_errcheck
|
||||
|
||||
|
||||
account_function(
|
||||
lib.olm_pickle_account, c_void_p, c_size_t, c_void_p, c_size_t
|
||||
)
|
||||
account_function(
|
||||
lib.olm_unpickle_account, c_void_p, c_size_t, c_void_p, c_size_t
|
||||
)
|
||||
account_function(lib.olm_create_account_random_length)
|
||||
account_function(lib.olm_create_account, c_void_p, c_size_t)
|
||||
account_function(lib.olm_account_identity_keys_length)
|
||||
account_function(lib.olm_account_identity_keys, c_void_p, c_size_t)
|
||||
account_function(lib.olm_account_signature_length)
|
||||
account_function(lib.olm_account_sign, c_void_p, c_size_t, c_void_p, c_size_t)
|
||||
account_function(lib.olm_account_one_time_keys_length)
|
||||
account_function(lib.olm_account_one_time_keys, c_void_p, c_size_t)
|
||||
account_function(lib.olm_account_mark_keys_as_published)
|
||||
account_function(lib.olm_account_max_number_of_one_time_keys)
|
||||
account_function(
|
||||
lib.olm_account_generate_one_time_keys_random_length,
|
||||
c_size_t
|
||||
)
|
||||
account_function(
|
||||
lib.olm_account_generate_one_time_keys,
|
||||
c_size_t,
|
||||
c_void_p, c_size_t
|
||||
)
|
||||
class Account(object):
|
||||
def __init__(self):
|
||||
self.buf = create_string_buffer(lib.olm_account_size())
|
||||
self.ptr = lib.olm_account(self.buf)
|
||||
|
||||
def create(self):
|
||||
random_length = lib.olm_create_account_random_length(self.ptr)
|
||||
random = read_random(random_length)
|
||||
random_buffer = create_string_buffer(random)
|
||||
lib.olm_create_account(self.ptr, random_buffer, random_length)
|
||||
|
||||
def pickle(self, key):
|
||||
key_buffer = create_string_buffer(key)
|
||||
pickle_length = lib.olm_pickle_account_length(self.ptr)
|
||||
pickle_buffer = create_string_buffer(pickle_length)
|
||||
lib.olm_pickle_account(
|
||||
self.ptr, key_buffer, len(key), pickle_buffer, pickle_length
|
||||
)
|
||||
return pickle_buffer.raw
|
||||
|
||||
def unpickle(self, key, pickle):
|
||||
key_buffer = create_string_buffer(key)
|
||||
pickle_buffer = create_string_buffer(pickle)
|
||||
lib.olm_unpickle_account(
|
||||
self.ptr, key_buffer, len(key), pickle_buffer, len(pickle)
|
||||
)
|
||||
|
||||
def identity_keys(self):
|
||||
out_length = lib.olm_account_identity_keys_length(self.ptr)
|
||||
out_buffer = create_string_buffer(out_length)
|
||||
lib.olm_account_identity_keys(
|
||||
self.ptr,
|
||||
out_buffer, out_length
|
||||
)
|
||||
return json.loads(out_buffer.raw)
|
||||
|
||||
def sign(self, message):
|
||||
out_length = lib.olm_account_signature_length(self.ptr)
|
||||
message_buffer = create_string_buffer(message)
|
||||
out_buffer = create_string_buffer(out_length)
|
||||
lib.olm_account_sign(
|
||||
self.ptr, message_buffer, len(message), out_buffer, out_length
|
||||
)
|
||||
return out_buffer.raw
|
||||
|
||||
def one_time_keys(self):
|
||||
out_length = lib.olm_account_one_time_keys_length(self.ptr)
|
||||
out_buffer = create_string_buffer(out_length)
|
||||
lib.olm_account_one_time_keys(self.ptr, out_buffer, out_length)
|
||||
return json.loads(out_buffer.raw)
|
||||
|
||||
def mark_keys_as_published(self):
|
||||
lib.olm_account_mark_keys_as_published(self.ptr)
|
||||
|
||||
def max_number_of_one_time_keys(self):
|
||||
return lib.olm_account_max_number_of_one_time_keys(self.ptr)
|
||||
|
||||
def generate_one_time_keys(self, count):
|
||||
random_length = lib.olm_account_generate_one_time_keys_random_length(
|
||||
self.ptr, count
|
||||
)
|
||||
random = read_random(random_length)
|
||||
random_buffer = create_string_buffer(random)
|
||||
lib.olm_account_generate_one_time_keys(
|
||||
self.ptr, count, random_buffer, random_length
|
||||
)
|
||||
|
||||
def clear(self):
|
||||
pass
|
||||
192
python/olm/session.py
Normal file
192
python/olm/session.py
Normal file
|
|
@ -0,0 +1,192 @@
|
|||
from ._base import *
|
||||
|
||||
|
||||
lib.olm_session_size.argtypes = []
|
||||
lib.olm_session_size.restype = c_size_t
|
||||
|
||||
lib.olm_session.argtypes = [c_void_p]
|
||||
lib.olm_session.restype = c_void_p
|
||||
|
||||
lib.olm_session_last_error.argtypes = [c_void_p]
|
||||
lib.olm_session_last_error.restype = c_char_p
|
||||
|
||||
|
||||
def session_errcheck(res, func, args):
|
||||
if res == ERR:
|
||||
raise OlmError("%s: %s" % (
|
||||
func.__name__, lib.olm_session_last_error(args[0])
|
||||
))
|
||||
return res
|
||||
|
||||
|
||||
def session_function(func, *types):
|
||||
func.argtypes = (c_void_p,) + types
|
||||
func.restypes = c_size_t
|
||||
func.errcheck = session_errcheck
|
||||
|
||||
session_function(lib.olm_session_last_error)
|
||||
session_function(
|
||||
lib.olm_pickle_session, c_void_p, c_size_t, c_void_p, c_size_t
|
||||
)
|
||||
session_function(
|
||||
lib.olm_unpickle_session, c_void_p, c_size_t, c_void_p, c_size_t
|
||||
)
|
||||
session_function(lib.olm_create_outbound_session_random_length)
|
||||
session_function(
|
||||
lib.olm_create_outbound_session,
|
||||
c_void_p, # Account
|
||||
c_void_p, c_size_t, # Identity Key
|
||||
c_void_p, c_size_t, # One Time Key
|
||||
c_void_p, c_size_t, # Random
|
||||
)
|
||||
session_function(
|
||||
lib.olm_create_inbound_session,
|
||||
c_void_p, # Account
|
||||
c_void_p, c_size_t, # Pre Key Message
|
||||
)
|
||||
session_function(
|
||||
lib.olm_create_inbound_session_from,
|
||||
c_void_p, # Account
|
||||
c_void_p, c_size_t, # Identity Key
|
||||
c_void_p, c_size_t, # Pre Key Message
|
||||
)
|
||||
session_function(lib.olm_session_id_length)
|
||||
session_function(lib.olm_session_id, c_void_p, c_size_t)
|
||||
session_function(lib.olm_matches_inbound_session, c_void_p, c_size_t)
|
||||
session_function(
|
||||
lib.olm_matches_inbound_session_from,
|
||||
c_void_p, c_size_t, # Identity Key
|
||||
c_void_p, c_size_t, # Pre Key Message
|
||||
)
|
||||
session_function(lib.olm_encrypt_message_type)
|
||||
session_function(lib.olm_encrypt_random_length)
|
||||
session_function(lib.olm_encrypt_message_length, c_size_t)
|
||||
session_function(
|
||||
lib.olm_encrypt,
|
||||
c_void_p, c_size_t, # Plaintext
|
||||
c_void_p, c_size_t, # Random
|
||||
c_void_p, c_size_t, # Message
|
||||
);
|
||||
session_function(
|
||||
lib.olm_decrypt_max_plaintext_length,
|
||||
c_size_t, # Message Type
|
||||
c_void_p, c_size_t, # Message
|
||||
)
|
||||
session_function(
|
||||
lib.olm_decrypt,
|
||||
c_size_t, # Message Type
|
||||
c_void_p, c_size_t, # Message
|
||||
c_void_p, c_size_t, # Plaintext
|
||||
)
|
||||
|
||||
class Session(object):
|
||||
def __init__(self):
|
||||
self.buf = create_string_buffer(lib.olm_session_size())
|
||||
self.ptr = lib.olm_session(self.buf)
|
||||
|
||||
def pickle(self, key):
|
||||
key_buffer = create_string_buffer(key)
|
||||
pickle_length = lib.olm_pickle_session_length(self.ptr)
|
||||
pickle_buffer = create_string_buffer(pickle_length)
|
||||
lib.olm_pickle_session(
|
||||
self.ptr, key_buffer, len(key), pickle_buffer, pickle_length
|
||||
)
|
||||
return pickle_buffer.raw
|
||||
|
||||
def unpickle(self, key, pickle):
|
||||
key_buffer = create_string_buffer(key)
|
||||
pickle_buffer = create_string_buffer(pickle)
|
||||
lib.olm_unpickle_session(
|
||||
self.ptr, key_buffer, len(key), pickle_buffer, len(pickle)
|
||||
)
|
||||
|
||||
def create_outbound(self, account, identity_key, one_time_key):
|
||||
r_length = lib.olm_create_outbound_session_random_length(self.ptr)
|
||||
random = read_random(r_length)
|
||||
random_buffer = create_string_buffer(random)
|
||||
identity_key_buffer = create_string_buffer(identity_key)
|
||||
one_time_key_buffer = create_string_buffer(one_time_key)
|
||||
lib.olm_create_outbound_session(
|
||||
self.ptr,
|
||||
account.ptr,
|
||||
identity_key_buffer, len(identity_key),
|
||||
one_time_key_buffer, len(one_time_key),
|
||||
random_buffer, r_length
|
||||
)
|
||||
|
||||
def create_inbound(self, account, one_time_key_message):
|
||||
one_time_key_message_buffer = create_string_buffer(one_time_key_message)
|
||||
lib.olm_create_inbound_session(
|
||||
self.ptr,
|
||||
account.ptr,
|
||||
one_time_key_message_buffer, len(one_time_key_message)
|
||||
)
|
||||
|
||||
def create_inbound_from(self, account, identity_key, one_time_key_message):
|
||||
identity_key_buffer = create_string_buffer(identity_key)
|
||||
one_time_key_message_buffer = create_string_buffer(one_time_key_message)
|
||||
lib.olm_create_inbound_session_from(
|
||||
self.ptr,
|
||||
account.ptr,
|
||||
identity_key_buffer, len(identity_key),
|
||||
one_time_key_message_buffer, len(one_time_key_message)
|
||||
)
|
||||
|
||||
def session_id(self):
|
||||
id_length = lib.olm_session_id_length(self.ptr)
|
||||
id_buffer = create_string_buffer(id_length)
|
||||
lib.olm_session_id(self.ptr, id_buffer, id_length);
|
||||
return id_buffer.raw
|
||||
|
||||
def matches_inbound(self, one_time_key_message):
|
||||
one_time_key_message_buffer = create_string_buffer(one_time_key_message)
|
||||
return bool(lib.olm_matches_inbound_session(
|
||||
self.ptr,
|
||||
one_time_key_message_buffer, len(one_time_key_message)
|
||||
))
|
||||
|
||||
def matches_inbound_from(self, identity_key, one_time_key_message):
|
||||
identity_key_buffer = create_string_buffer(identity_key)
|
||||
one_time_key_message_buffer = create_string_buffer(one_time_key_message)
|
||||
return bool(lib.olm_matches_inbound_session(
|
||||
self.ptr,
|
||||
identity_key_buffer, len(identity_key),
|
||||
one_time_key_message_buffer, len(one_time_key_message)
|
||||
))
|
||||
|
||||
def encrypt(self, plaintext):
|
||||
r_length = lib.olm_encrypt_random_length(self.ptr)
|
||||
random = read_random(r_length)
|
||||
random_buffer = create_string_buffer(random)
|
||||
|
||||
message_type = lib.olm_encrypt_message_type(self.ptr)
|
||||
message_length = lib.olm_encrypt_message_length(
|
||||
self.ptr, len(plaintext)
|
||||
)
|
||||
message_buffer = create_string_buffer(message_length)
|
||||
|
||||
plaintext_buffer = create_string_buffer(plaintext)
|
||||
|
||||
lib.olm_encrypt(
|
||||
self.ptr,
|
||||
plaintext_buffer, len(plaintext),
|
||||
random_buffer, r_length,
|
||||
message_buffer, message_length,
|
||||
)
|
||||
return message_type, message_buffer.raw
|
||||
|
||||
def decrypt(self, message_type, message):
|
||||
message_buffer = create_string_buffer(message)
|
||||
max_plaintext_length = lib.olm_decrypt_max_plaintext_length(
|
||||
self.ptr, message_type, message_buffer, len(message)
|
||||
)
|
||||
plaintext_buffer = create_string_buffer(max_plaintext_length)
|
||||
message_buffer = create_string_buffer(message)
|
||||
plaintext_length = lib.olm_decrypt(
|
||||
self.ptr, message_type, message_buffer, len(message),
|
||||
plaintext_buffer, max_plaintext_length
|
||||
)
|
||||
return plaintext_buffer.raw[:plaintext_length]
|
||||
|
||||
def clear(self):
|
||||
pass
|
||||
|
|
@ -1,6 +1,6 @@
|
|||
#! /bin/bash
|
||||
|
||||
OLM="$(dirname $0)/olm.py"
|
||||
OLM="python -m olm"
|
||||
|
||||
ALICE_ACCOUNT=alice.account
|
||||
ALICE_SESSION=alice.session
|
||||
|
|
|
|||
Loading…
Reference in a new issue