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[arm/master] Use locking for fixing segfaults, different colors from cli.
by atagar＠torproject.org 04 Jul '11

04 Jul '11

commit 6c3a0d15a346e3b4cdcc0c21fcf9d20883d03061 Author: Kamran Riaz Khan <krkhan(a)inspirated.com> Date: Sun Jun 26 02:24:19 2011 +0500 Use locking for fixing segfaults, different colors from cli. msgLog deque was being updated by events while being pushed into liststore which produced inconsistency and generated segfault. Using different colors from cli in order to be readable. Moved logPanel creation before bandwidthStats in order to let controller events reach bandwidthStats. --- src/gui/controller.py | 6 +++--- src/gui/logPanel.py | 29 +++++++++++++++++++++-------- 2 files changed, 24 insertions(+), 11 deletions(-) diff --git a/src/gui/controller.py b/src/gui/controller.py index 1c173af..5f1712c 100644 --- a/src/gui/controller.py +++ b/src/gui/controller.py @@ -18,12 +18,12 @@ class GuiController: self.builder.add_from_file(filename) self.builder.connect_signals(self) - self.bwStats = bandwidthStats.BandwidthStats(self.builder) - self.bwStats.pack_widgets() - self.logPanel = logPanel.LogPanel(self.builder) self.logPanel.pack_widgets() + self.bwStats = bandwidthStats.BandwidthStats(self.builder) + self.bwStats.pack_widgets() + def run(self): window = self.builder.get_object('window_main') diff --git a/src/gui/logPanel.py b/src/gui/logPanel.py index 6ac6418..97a01cc 100644 --- a/src/gui/logPanel.py +++ b/src/gui/logPanel.py @@ -7,6 +7,7 @@ import sys import time from collections import deque +from threading import RLock import gobject import gtk @@ -16,8 +17,10 @@ from util import log, uiTools, torTools from cli.logPanel import (expandEvents, setEventListening, getLogFileEntries, LogEntry, TorEventObserver, - DEFAULT_CONFIG, RUNLEVEL_EVENT_COLOR) + DEFAULT_CONFIG) +RUNLEVEL_EVENT_COLOR = {log.DEBUG: "#C73043", log.INFO: "#762A2A", log.NOTICE: "#222222", + log.WARN: "#AB7814", log.ERR: "#EC131F"} STARTUP_EVENTS = 'N3' class LogPanel: @@ -25,6 +28,7 @@ class LogPanel: self.builder = builder self._config = dict(DEFAULT_CONFIG) + self.lock = RLock() self.msgLog = deque() self.loggedEvents = setEventListening(expandEvents(STARTUP_EVENTS)) @@ -62,7 +66,7 @@ class LogPanel: conn.addEventListener(TorEventObserver(self.register_event)) conn.addTorCtlListener(self._register_torctl_event) - self.fill_log() + gobject.timeout_add(1000, self.fill_log) def pack_widgets(self): liststore = self.builder.get_object('liststore_log') @@ -74,14 +78,23 @@ class LogPanel: liststore = self.builder.get_object('liststore_log') liststore.clear() - for entry in self.msgLog: - timeLabel = time.strftime('%H:%M:%S', time.localtime(entry.timestamp)) - row = (long(entry.timestamp), timeLabel, entry.type, entry.msg, entry.color) - liststore.append(row) + self.lock.acquire() + try: + for entry in self.msgLog: + timeLabel = time.strftime('%H:%M:%S', time.localtime(entry.timestamp)) + row = (long(entry.timestamp), timeLabel, entry.type, entry.msg, entry.color) + liststore.append(row) + finally: + self.lock.release() + + return True def register_event(self, event): - self.msgLog.appendleft(event) - self.fill_log() + self.lock.acquire() + try: + self.msgLog.appendleft(event) + finally: + self.lock.release() def _register_arm_event(self, level, msg, eventTime): eventColor = RUNLEVEL_EVENT_COLOR[level]

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[arm/master] For consistency, plot bw graph even if all values are zeros.
by atagar＠torproject.org 04 Jul '11

04 Jul '11

commit a110aeb39e0ec129b24ab138b08742490e55212e Author: Kamran Riaz Khan <krkhan(a)inspirated.com> Date: Sun Jun 26 06:10:42 2011 +0500 For consistency, plot bw graph even if all values are zeros. --- src/gui/graphing/graphStats.py | 6 ++---- 1 files changed, 2 insertions(+), 4 deletions(-) diff --git a/src/gui/graphing/graphStats.py b/src/gui/graphing/graphStats.py index fcd326f..0d9ac5f 100644 --- a/src/gui/graphing/graphStats.py +++ b/src/gui/graphing/graphStats.py @@ -90,10 +90,8 @@ class GraphStats(TorCtl.PostEventListener): graph = self.graphs[name] data = self.get_graph_data(name) - if self.is_graph_data_zero(name): - graph.seriess[0].data = [] - else: - graph.seriess[0].data = data + graph.seriess[0].data = data + if not self.is_graph_data_zero(name): for (index, axis) in enumerate(graph.axiss): if axis.type != 'xaxis':

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[arm/master] Use idle_add instead of timeout_add for work in gtk main loop.
by atagar＠torproject.org 04 Jul '11

04 Jul '11

commit 224a7d6ac7156815b625b82d7b48daa67173a049 Author: Kamran Riaz Khan <krkhan(a)inspirated.com> Date: Sun Jun 26 04:02:49 2011 +0500 Use idle_add instead of timeout_add for work in gtk main loop. --- src/gui/logPanel.py | 5 +++-- 1 files changed, 3 insertions(+), 2 deletions(-) diff --git a/src/gui/logPanel.py b/src/gui/logPanel.py index 97a01cc..fc8e6b8 100644 --- a/src/gui/logPanel.py +++ b/src/gui/logPanel.py @@ -21,7 +21,7 @@ from cli.logPanel import (expandEvents, setEventListening, getLogFileEntries, RUNLEVEL_EVENT_COLOR = {log.DEBUG: "#C73043", log.INFO: "#762A2A", log.NOTICE: "#222222", log.WARN: "#AB7814", log.ERR: "#EC131F"} -STARTUP_EVENTS = 'N3' +STARTUP_EVENTS = 'A' class LogPanel: def __init__(self, builder): @@ -66,7 +66,7 @@ class LogPanel: conn.addEventListener(TorEventObserver(self.register_event)) conn.addTorCtlListener(self._register_torctl_event) - gobject.timeout_add(1000, self.fill_log) + gobject.idle_add(self.fill_log) def pack_widgets(self): liststore = self.builder.get_object('liststore_log') @@ -95,6 +95,7 @@ class LogPanel: self.msgLog.appendleft(event) finally: self.lock.release() + gobject.idle_add(self.fill_log) def _register_arm_event(self, level, msg, eventTime): eventColor = RUNLEVEL_EVENT_COLOR[level]

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[arm/master] Filling blank wizard values when helpful
by atagar＠torproject.org 04 Jul '11

04 Jul '11

commit 36f78676801ee57a4d875bc6114f365e1b324ad2 Author: Damian Johnson <atagar(a)torproject.org> Date: Fri Jul 1 15:46:27 2011 -0700 Filling blank wizard values when helpful Some of the configuration values, like the nickname and bridge entries, can use their desplayed value when blank to indicate what should go there. --- src/cli/wizard.py | 5 ++++- src/settings.cfg | 6 +++++- 2 files changed, 9 insertions(+), 2 deletions(-) diff --git a/src/cli/wizard.py b/src/cli/wizard.py index 79f548e..7c36598 100644 --- a/src/cli/wizard.py +++ b/src/cli/wizard.py @@ -73,6 +73,7 @@ CONFIG = {"wizard.message.role": "", "wizard.toggle": {}, "wizard.suboptions": [], "wizard.default": {}, + "wizard.blankValue": {}, "wizard.label.general": {}, "wizard.label.role": {}, "wizard.label.opt": {}, @@ -113,7 +114,9 @@ class ConfigOption: return self.value def getDisplayValue(self): - return self.value + if not self.value and self.key in CONFIG["wizard.blankValue"]: + return CONFIG["wizard.blankValue"][self.key] + else: return self.value def getDisplayAttr(self): myColor = OPTION_COLOR if self.isEnabled() else DISABLED_COLOR diff --git a/src/settings.cfg b/src/settings.cfg index aacec0a..076299d 100644 --- a/src/settings.cfg +++ b/src/settings.cfg @@ -370,7 +370,6 @@ wizard.suboptions Bridge1 wizard.suboptions Bridge2 wizard.suboptions Bridge3 -wizard.default Nickname => Unnamed wizard.default Notify => true wizard.default Bandwidth => 5 MB/s wizard.default Startup => true @@ -387,6 +386,11 @@ wizard.default Distribute => true wizard.default Bridged => false wizard.default Reuse => 10 minutes +wizard.blankValue Nickname => Unnamed +wizard.blankValue Bridge1 => <ip address>:<port> +wizard.blankValue Bridge2 => <ip address>:<port> +wizard.blankValue Bridge3 => <ip address>:<port> + wizard.label.general Cancel => Cancel wizard.label.general Back => Previous wizard.label.general Next => Next

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[arm/master] Input field validation for bridge destinations
by atagar＠torproject.org 04 Jul '11

04 Jul '11

commit f3d73e6a80d4798963745c8ebb500eca29bd0c3e Author: Damian Johnson <atagar(a)torproject.org> Date: Fri Jul 1 16:25:23 2011 -0700 Input field validation for bridge destinations --- src/cli/wizard.py | 19 +++++++++++++++++-- 1 files changed, 17 insertions(+), 2 deletions(-) diff --git a/src/cli/wizard.py b/src/cli/wizard.py index 7c36598..219c6b6 100644 --- a/src/cli/wizard.py +++ b/src/cli/wizard.py @@ -9,7 +9,7 @@ import curses import cli.popups import cli.controller -from util import enum, uiTools +from util import enum, connections, uiTools # basic configuration types we can run as RelayType = enum.Enum("RELAY", "EXIT", "BRIDGE", "CLIENT") @@ -210,6 +210,9 @@ def showWizard(): else: config[option] = ConfigOption(option, "opt", default) # sets input validators + config[Options.BRIDGE1].setValidator(_bridgeDestinationValidator) + config[Options.BRIDGE2].setValidator(_bridgeDestinationValidator) + config[Options.BRIDGE3].setValidator(_bridgeDestinationValidator) # enables custom policies when 'custom' is selected and disables otherwise policyOpt = config[Options.POLICY] @@ -387,7 +390,9 @@ def promptConfigOptions(relayType, config): newValue = popup.getstr(y + selection + 1, 33, options[selection].getValue(), curses.A_STANDOUT | uiTools.getColor(OPTION_COLOR), 23) if newValue: try: options[selection].setValue(newValue.strip()) - except ValueError, exc: cli.popups.showMsg(str(exc), 3) + except ValueError, exc: + cli.popups.showMsg(str(exc), 2) + cli.controller.getController().requestRedraw(True) elif key == 27: selection, key = -1, curses.KEY_ENTER # esc - cancel finally: cli.popups.finalize() @@ -423,3 +428,13 @@ def _toggleEnabledAction(toggleOptions, option, value): for opt in toggleOptions: opt.setEnabled(value) +def _bridgeDestinationValidator(option, value): + if value.count(":") != 1: + raise ValueError("Bridges are of the form '<ip address>:<port>'") + + ipAddr, port = value.split(":", 1) + if not connections.isValidIpAddress(ipAddr): + raise ValueError("'%s' is not a valid ip address" % ipAddr) + elif not port.isdigit() or int(port) < 0 or int(port) > 65535: + raise ValueError("'%s' isn't a valid port number" % port) +

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[arm/master] fix: correcting some port types and descriptions
by atagar＠torproject.org 04 Jul '11

04 Jul '11

commit 17fa269873a561b7ba8f843c3030373014277b3a Author: Damian Johnson <atagar(a)torproject.org> Date: Fri Jul 1 15:57:20 2011 -0700 fix: correcting some port types and descriptions Secure mail ports were misclassified, and descriptions for the mail and web policies were missing ports. --- src/settings.cfg | 10 ++++++---- 1 files changed, 6 insertions(+), 4 deletions(-) diff --git a/src/settings.cfg b/src/settings.cfg index 076299d..7f2953f 100644 --- a/src/settings.cfg +++ b/src/settings.cfg @@ -435,8 +435,8 @@ wizard.description.opt Portforward => If needed, attempts NAT traversal using UP wizard.description.opt Startup => Runs Tor in the background when the system starts. wizard.description.opt Notice => Provides a disclaimer that this is an exit on port 80 (http://www.atagar.com/exitNotice) wizard.description.opt Policy => Ports allowed to exit from your relay. The default policy allows for common services while limiting the chance of getting a DMCA takedown for torrent traffic (http://www.atagar.com/exitPolicy) -wizard.description.opt Websites => General Internet browsing including HTTP (80) and HTTPS (443). -wizard.description.opt Email => Protocols for receiving, but not sending email. This includes POP3 (110), POP3S (995), IMAP (143), and IMAPS (993). +wizard.description.opt Websites => General Internet browsing including HTTP (80), HTTPS (443), common alternatives (81, 8008), and proxies (3128, 8080) +wizard.description.opt Email => Protocols for receiving, but not sending email. This includes POP3 (110), POP3S (995), IMAP (143, 220), and IMAPS (993). wizard.description.opt Im => Common instant messaging protocols including Jabber, IRC, ICQ, AIM, Yahoo, MSN, SILC, GroupWise, Gadu-Gadu, Sametime, and Zephyr. wizard.description.opt Misc => Protocols from the default policy that aren't among the above. wizard.description.opt Plaintext => When blocked the policy will exclude ports that aren't commonly encrypted. @@ -836,9 +836,9 @@ port.exit.misc 981 # SofaWare Firewall Administration port.exit.misc 989-990 # FTPS port.exit.misc 991 # NAS port.exit.misc 992 # Telnet -port.exit.misc 993 # IMAPS +port.exit.mail 993 # IMAPS port.exit.im 994 # IRC over SSL -port.exit.misc 995 # POP3S +port.exit.mail 995 # POP3S port.exit.misc 1194 # OpenVPN port.exit.misc 1220 # QuickTime port.exit.misc 1293 # PKT-KRB-IPSec @@ -895,6 +895,8 @@ port.encrypted 749 port.encrypted 981 port.encrypted 989 port.encrypted 990 +port.encrypted 993 +port.encrypted 995 port.encrypted 1194 port.encrypted 1293 port.encrypted 1723

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[arm/master] Input field validation for circ reuse durations
by atagar＠torproject.org 04 Jul '11

04 Jul '11

commit 5e0178152ddf08b4c1a8011dc74667c65c9a750a Author: Damian Johnson <atagar(a)torproject.org> Date: Sun Jul 3 18:08:36 2011 -0700 Input field validation for circ reuse durations --- src/cli/wizard.py | 22 ++++++++++++++++++++-- 1 files changed, 20 insertions(+), 2 deletions(-) diff --git a/src/cli/wizard.py b/src/cli/wizard.py index 16752e7..80d2fd1 100644 --- a/src/cli/wizard.py +++ b/src/cli/wizard.py @@ -215,6 +215,7 @@ def showWizard(): config[Options.BRIDGE1].setValidator(_bridgeDestinationValidator) config[Options.BRIDGE2].setValidator(_bridgeDestinationValidator) config[Options.BRIDGE3].setValidator(_bridgeDestinationValidator) + config[Options.REUSE].setValidator(_circDurationValidator) # enables custom policies when 'custom' is selected and disables otherwise policyOpt = config[Options.POLICY] @@ -432,7 +433,7 @@ def _toggleEnabledAction(toggleOptions, option, value): def _relayRateValidator(option, value): if value.count(" ") != 1: - msg = "This should be a measurement followed by the rate (for instance, \"5 MB/s\")" + msg = "This should be a rate measurement (for instance, \"5 MB/s\")" raise ValueError(msg) rate, units = value.split(" ", 1) @@ -447,7 +448,7 @@ def _relayRateValidator(option, value): def _monthlyLimitValidator(option, value): if value.count(" ") != 1: - msg = "This should be a measurement followed by the units (for instance, \"5 MB\")" + msg = "This should be a traffic size (for instance, \"5 MB\")" raise ValueError(msg) rate, units = value.split(" ", 1) @@ -457,6 +458,8 @@ def _monthlyLimitValidator(option, value): elif not units in acceptedUnits: msg = "'%s' is an invalid unit, options include \"%s\"" % (units, "\", \"".join(acceptedUnits)) raise ValueError(msg) + elif (int(rate) < 50 and units == "MB") or int(rate) < 1: + raise ValueError("To be usable as a relay's monthly limit should be at least 50 MB") def _bridgeDestinationValidator(option, value): if value.count(":") != 1: @@ -468,3 +471,18 @@ def _bridgeDestinationValidator(option, value): elif not port.isdigit() or int(port) < 0 or int(port) > 65535: raise ValueError("'%s' isn't a valid port number" % port) +def _circDurationValidator(option, value): + if value.count(" ") != 1: + msg = "This should be a time measurement (for instance, \"10 minutes\")" + raise ValueError(msg) + + rate, units = value.split(" ", 1) + acceptedUnits = ("minute", "minutes", "hour", "hours") + if not rate.isdigit(): + raise ValueError("'%s' isn't an integer" % rate) + elif not units in acceptedUnits: + msg = "'%s' is an invalid rate, options include \"minutes\" or \"hours\"" + raise ValueError(msg) + elif (int(rate) < 5 and units in ("minute", "minutes")) or int(rate) < 1: + raise ValueError("This would cause high network load, don't set this to less than five minutes") +

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[arm/master] Input field validation for bandwith rates
by atagar＠torproject.org 04 Jul '11

04 Jul '11

commit 90fba07ce66de9e811aa762b835b769a254c438b Author: Damian Johnson <atagar(a)torproject.org> Date: Sun Jul 3 10:39:51 2011 -0700 Input field validation for bandwith rates --- src/cli/wizard.py | 18 +++++++++++++++++- 1 files changed, 17 insertions(+), 1 deletions(-) diff --git a/src/cli/wizard.py b/src/cli/wizard.py index 219c6b6..43d107b 100644 --- a/src/cli/wizard.py +++ b/src/cli/wizard.py @@ -210,6 +210,7 @@ def showWizard(): else: config[option] = ConfigOption(option, "opt", default) # sets input validators + config[Options.BANDWIDTH].setValidator(_relayRateValidator) config[Options.BRIDGE1].setValidator(_bridgeDestinationValidator) config[Options.BRIDGE2].setValidator(_bridgeDestinationValidator) config[Options.BRIDGE3].setValidator(_bridgeDestinationValidator) @@ -391,7 +392,7 @@ def promptConfigOptions(relayType, config): if newValue: try: options[selection].setValue(newValue.strip()) except ValueError, exc: - cli.popups.showMsg(str(exc), 2) + cli.popups.showMsg(str(exc), 3) cli.controller.getController().requestRedraw(True) elif key == 27: selection, key = -1, curses.KEY_ENTER # esc - cancel finally: @@ -428,6 +429,21 @@ def _toggleEnabledAction(toggleOptions, option, value): for opt in toggleOptions: opt.setEnabled(value) +def _relayRateValidator(option, value): + if value.count(" ") != 1: + msg = "This should be a measurement followed by the rate (for instance, \"5 MB/s\")" + raise ValueError(msg) + + rate, units = value.split(" ", 1) + acceptedUnits = ("KB/s", "MB/s", "GB/s") + if not rate.isdigit(): + raise ValueError("'%s' isn't an integer" % rate) + elif not units in acceptedUnits: + msg = "'%s' is an invalid rate, options include \"%s\"" % (units, "\", \"".join(acceptedUnits)) + raise ValueError(msg) + elif (int(rate) < 20 and units == "KB/s") or int(rate) < 1: + raise ValueError("To be usable as a relay the rate must be at least 20 KB/s") + def _bridgeDestinationValidator(option, value): if value.count(":") != 1: raise ValueError("Bridges are of the form '<ip address>:<port>'")

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[arm/master] fix: workaround for textpad insert mode issues
by atagar＠torproject.org 04 Jul '11

04 Jul '11

commit dd81736d16d638343b3954f2def575378b5ea309 Author: Damian Johnson <atagar(a)torproject.org> Date: Sun Jul 3 16:54:53 2011 -0700 fix: workaround for textpad insert mode issues The insert mode of the textpad class has a couple issues: - it's only available in Python 2.6+ - if the text doens't have the default formatting then it doens't work (input is replacement mode instead) This drops usage for the insert mode flag, instead doing it ourselves via arm's textpad validator. This is kinda vital for the wizard since that text has attibutes and not having insert mode there was pretty painful. --- src/util/panel.py | 29 +++++++++++++++++++---------- src/util/uiTools.py | 8 +++++--- 2 files changed, 24 insertions(+), 13 deletions(-) diff --git a/src/util/panel.py b/src/util/panel.py index 59d2b13..1be2306 100644 --- a/src/util/panel.py +++ b/src/util/panel.py @@ -2,11 +2,11 @@ Wrapper for safely working with curses subwindows. """ -import sys import copy import time import traceback import curses +import curses.ascii import curses.textpad from threading import RLock @@ -613,15 +613,9 @@ class Panel(): # Displays the text field, blocking until the user's done. This closes the # text panel and returns userInput to the initial text if the user presses - # escape. Insert mode is available in Python 2.6+, before that the - # constructor only accepted a subwindow argument as per: - # https://trac.torproject.org/projects/tor/ticket/2354 + # escape. - majorVersion, minorVersion = sys.version_info[:2] - if majorVersion == 2 and minorVersion >= 6: - textbox = curses.textpad.Textbox(inputSubwindow, True) - else: - textbox = curses.textpad.Textbox(inputSubwindow) + textbox = curses.textpad.Textbox(inputSubwindow) textbox.win.attron(format) userInput = textbox.edit(lambda key: _textboxValidate(textbox, key)).strip() @@ -738,7 +732,22 @@ def _textboxValidate(textbox, key): """ y, x = textbox.win.getyx() - if key == 27: + + if curses.ascii.isprint(key) and x < textbox.maxx: + # Shifts the existing text forward so input is an insert method rather + # than replacement. The curses.textpad accepts an insert mode flag but + # this has a couple issues... + # - The flag is only available for Python 2.6+, before that the + # constructor only accepted a subwindow argument as per: + # https://trac.torproject.org/projects/tor/ticket/2354 + # - The textpad doesn't shift text that has text attributes. This is + # because keycodes read by textbox.win.inch() includes formatting, + # causing the curses.ascii.isprint() check it does to fail. + + currentInput = textbox.gather() + textbox.win.addstr(y, x + 1, currentInput[x:textbox.maxx - 1]) + textbox.win.move(y, x) # reverts cursor movement during gather call + elif key == 27: # curses.ascii.BEL is a character codes that causes textpad to terminate return curses.ascii.BEL elif key == curses.KEY_HOME: diff --git a/src/util/uiTools.py b/src/util/uiTools.py index 52885de..68b93af 100644 --- a/src/util/uiTools.py +++ b/src/util/uiTools.py @@ -282,15 +282,17 @@ def cropStr(msg, size, minWordLen = 4, minCrop = 0, endType = Ending.ELLIPSE, ge if getRemainder: return (returnMsg, remainder) else: return returnMsg -def padStr(msg, size): +def padStr(msg, size, cropExtra = False): """ Provides the string padded with whitespace to the given length. Arguments: - msg - string to be padded - size - length to be padded to + msg - string to be padded + size - length to be padded to + cropExtra - crops string if it's longer than the size if true """ + if cropExtra: msg = msg[:size] return ("%%-%is" % size) % msg def camelCase(label, divider = "_", joiner = " "):

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[arm/master] Input field validation for monthly limit
by atagar＠torproject.org 04 Jul '11

04 Jul '11

commit 5625ac4baf6f333e024ce4537031ef434416a0ec Author: Damian Johnson <atagar(a)torproject.org> Date: Sun Jul 3 17:51:49 2011 -0700 Input field validation for monthly limit --- src/cli/wizard.py | 14 ++++++++++++++ 1 files changed, 14 insertions(+), 0 deletions(-) diff --git a/src/cli/wizard.py b/src/cli/wizard.py index 43d107b..16752e7 100644 --- a/src/cli/wizard.py +++ b/src/cli/wizard.py @@ -211,6 +211,7 @@ def showWizard(): # sets input validators config[Options.BANDWIDTH].setValidator(_relayRateValidator) + config[Options.LIMIT].setValidator(_monthlyLimitValidator) config[Options.BRIDGE1].setValidator(_bridgeDestinationValidator) config[Options.BRIDGE2].setValidator(_bridgeDestinationValidator) config[Options.BRIDGE3].setValidator(_bridgeDestinationValidator) @@ -444,6 +445,19 @@ def _relayRateValidator(option, value): elif (int(rate) < 20 and units == "KB/s") or int(rate) < 1: raise ValueError("To be usable as a relay the rate must be at least 20 KB/s") +def _monthlyLimitValidator(option, value): + if value.count(" ") != 1: + msg = "This should be a measurement followed by the units (for instance, \"5 MB\")" + raise ValueError(msg) + + rate, units = value.split(" ", 1) + acceptedUnits = ("MB", "GB", "TB") + if not rate.isdigit(): + raise ValueError("'%s' isn't an integer" % rate) + elif not units in acceptedUnits: + msg = "'%s' is an invalid unit, options include \"%s\"" % (units, "\", \"".join(acceptedUnits)) + raise ValueError(msg) + def _bridgeDestinationValidator(option, value): if value.count(":") != 1: raise ValueError("Bridges are of the form '<ip address>:<port>'")

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