def select_partition(self):
selected_partition = findall(
r"Name\:\ ([^\ \n]+)\ ",
self.partitions_list_scroll_menu.get(),
)[0]
if self.partitions_dict[selected_partition]["IS_MOUNTED"]:
# Warn the user to unmount his partition before searching in it
self.master.show_warning_popup(
"You probably should unmount first !",
f"It is highly recommended to unmount {selected_partition}"
" ASAP to avoid any data loss.",
)
else:
self.master.show_message_popup(
"",
f"Partition {selected_partition} selected.",
)
self.partition_to_search = f"/dev/{selected_partition.strip()}"
LOGGER.write(
"info",
f"Partition selected: {self.partition_to_search}",
)
def confirm_search(self):
if not helper.is_user_root(window=self.master):
return
self.string_to_search = self.string_text_box.get()
if not hasattr(self, "partition_to_search") or self.partition_to_search == "":
# No partition selected
self.master.show_message_popup(
"Whoops !",
"You have to select a partition to search.",
)
LOGGER.write("warning", "No partition selected for search")
elif not self.string_to_search.strip():
# Blank string to search
self.master.show_message_popup(
"Oops !",
"You have to enter a text to search.",
)
LOGGER.write("warning", "No string given for search")
else:
# Prompt to confirm string
self.master.show_yes_no_popup(
"Do you want to search this text on partition "
f"{self.partition_to_search} ?",
self.start_search,
)
def write_to_file(self, file_name: Path, content: str):
with open(file_name, "w") as save_file:
save_file.write(content)
self.last_saved_file = file_name
LOGGER.write("info", f"Output saved in file {file_name}")
def start_result_enqueue_thread(self, grep_process: Popen,
search_screen: Screen):
Thread(
target=self.enqueue_grep_output,
args=(grep_process.stdout, search_screen.queue_object),
daemon=True,
).start()
LOGGER.write("debug", "Started grep searching thread")
def is_user_root(window: PyCUI) -> bool:
if geteuid() == 0:
LOGGER.write("info", "User is root")
return True
window.show_error_popup("Not root :(", "You have to be root or use sudo.")
LOGGER.write("warning", "User is not root")
return False
def get_system_partitions(self):
self.partitions_dict = helper.get_partitions()
if not self.partitions_dict:
LOGGER.write("Error", "No partition found !")
self.master.show_error_popup("Hum...", "No partition found.")
return
self.add_partitions_to_list()
def start_search(self, is_confirmed: bool):
if is_confirmed:
LOGGER.write("info", "Starting search")
handler.SCREENS_HANDLER.open_screen(
"search",
partition=self.partition_to_search,
string_to_search=self.string_to_search.strip(),
)
def add_block_to_file(self):
if self.current_block in self.saved_blocks_dict:
return
self.master.show_message_popup("", "Result added to file")
self.saved_blocks_dict[self.current_block] = self.current_result
LOGGER.write(
"debug",
f"Stored block {self.current_block} for future save",
)
def start_progress_monitoring_thread(self, grep_process: Popen,
search_screen: Screen):
if not is_dependency_installed(command="progress"):
return
Thread(
target=self.monitor_search_progress,
args=(search_screen, grep_process.pid),
daemon=True,
).start()
LOGGER.write("debug", "Started progress monitoring thread")
def update_horizontal_char_limit(self):
text_box_dimensions: tuple = (
self.blockcontent_box.get_cursor_limits_horizontal()
)
self.horizontal_char_limit: int = (
text_box_dimensions[1] - text_box_dimensions[0]
)
LOGGER.write(
"debug",
f"Textbox char limit set to {self.horizontal_char_limit}",
)
def __init__(self, master: PyCUI, partition: str, string_to_search: str):
super().__init__(master)
self.queue_object: Queue = Queue()
self.blockindex: int = 0
self.block_numbers: list = []
self.partition: str = partition
self.block_size: int = get_block_size(partition)
self.searched_string: str = string_to_search
self._first_line: str = string_to_search.strip().splitlines()[0]
self.create_ui_content()
SEARCH_ENGINE.start_search(self)
LOGGER.write("info", f"Raw searched string:\n{self.searched_string}")
def monitor_search_progress(self, search_screen: Screen, grep_pid: int):
while True:
output: str = check_output(
["progress", "-p", str(grep_pid)],
stderr=DEVNULL).decode("utf8")
if not output:
search_screen.set_title("100% - Search completed")
return
progress: list = findall(r"([0-9]+\.[0-9]+\%[^\)]+\))", output)
if not progress:
continue
LOGGER.write("debug", f"Progress: {progress[0]}")
search_screen.set_title(progress[0])
sleep(1)
def add_partitions_to_list(self):
if self.partitions_dict is None:
return
for partition in self.partitions_dict:
if self.partitions_dict[partition]["IS_MOUNTED"]:
self.partitions_list_scroll_menu.add_item(
f"Name: {partition} - "
f"Type: {self.partitions_dict[partition]['FSTYPE']} - "
f"Mounted at: {self.partitions_dict[partition]['MOUNT_POINT']}"
)
else:
self.partitions_list_scroll_menu.add_item(
f"Name: {partition} - "
f"Type: {self.partitions_dict[partition]['FSTYPE']}"
)
LOGGER.write("debug", f"Partition added to list: {partition}")
def update_textbox(self):
self.update_horizontal_char_limit()
# Format raw result to fit in the text box
blocklines: list = [
str(self.current_result)[i : i + self.horizontal_char_limit]
for i in range(
0,
len(str(self.current_result)) + self.horizontal_char_limit,
self.horizontal_char_limit,
)
]
formated_result: str = "\n".join(blocklines)
# Fix for embedded null character
formated_result = formated_result.replace(chr(0), "")
self.blockcontent_box.set_text(formated_result)
self.blockcontent_box.set_title(f"Block {self.current_block}")
LOGGER.write("debug", f"Textbox updated with block {self.current_block}")
def get_dd_result(self, block_number: str = None):
if block_number is None:
block_number = self.current_block
LOGGER.write(
"debug",
f"Getting 'dd' output for block {str(self.current_block)}",
)
try:
dd_result: bytes = SEARCH_ENGINE.get_dd_output(
partition=self.partition,
block_size=get_block_size(self.partition),
block_number=block_number,
)
self.current_result = decode_result(dd_result)
self.current_block = block_number
LOGGER.write("debug", "dd command successful")
except CalledProcessError:
self.master.show_error_popup(
"Mmmmhhh...",
f"Error while opening block {str(self.current_block)}",
)
LOGGER.write(
"error",
f"Error while opening block {str(self.current_block)}",
)
def test_error():
LOGGER.write("error", "error")
assert "error" in get_log_file_content()
def display_next_block(self):
try:
self.display_block(str(int(self.current_block) + 1))
except ValueError:
LOGGER.write("error", f"Cannot display block {self.current_block} + 1")
return
def test_info():
LOGGER.write("info", "info")
assert "info" in get_log_file_content()
def test_warning():
LOGGER.write("warning", "warning")
assert "warning" in get_log_file_content()
def test_log_disabled():
LOGGER.log_enabled = False
LOGGER.write("debug", "debug")
assert "debug" not in get_log_file_content()
def test_debug():
LOGGER.log_enabled = True
LOGGER.write("debug", "debug")
assert "debug" in get_log_file_content()
def test_critical():
LOGGER.write("critical", "critical")
assert "critical" in get_log_file_content()
def start_result_dequeue_thread(self, search_screen: Screen):
Thread(
target=search_screen.dequeue_results,
daemon=True,
).start()
LOGGER.write("debug", "Started grep output fetching thread")