diff options
-rw-r--r-- | docs/conf/modules.conf.example | 21 | ||||
-rw-r--r-- | src/modules/m_blockcaps.cpp | 63 |
2 files changed, 60 insertions, 24 deletions
diff --git a/docs/conf/modules.conf.example b/docs/conf/modules.conf.example index eb6bfd475..65bb3b9cb 100644 --- a/docs/conf/modules.conf.example +++ b/docs/conf/modules.conf.example @@ -245,19 +245,22 @@ # #-#-#-#-#-#-#-#-#-#-#- BLOCKCAPS CONFIGURATION -#-#-#-#-#-#-#-#-#-#-# # # -# percent - What percentage of the text must be caps before # -# text will be blocked. # +# percent - The percentage of a message which must be upper # +# case before it will be blocked. # # # -# minlen - The minimum length a line must be for the block # -# percent to have any effect. # +# minlen - The minimum length a message must be before it # +# will be blocked. # # # -# capsmap - A list of chars to be considered CAPS. Can be used # -# to add CAPS characters for your language. Also you # -# can add things like ! and space to further lock # -# down on caps usage. # +# lowercase - The characters which will be considered lower # +# case. # +# # +# uppercase - The characters which will be considered upper # +# case. # +# #<blockcaps percent="50" # minlen="5" -# capsmap="ABCDEFGHIJKLMNOPQRSTUVWXYZ! "> +# lowercase="abcdefghijklmnopqrstuvwxyz" +# uppercase="ABCDEFGHIJKLMNOPQRSTUVWXYZ"> #-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-#-# # Block color module: Blocking color-coded messages with chan mode +c. diff --git a/src/modules/m_blockcaps.cpp b/src/modules/m_blockcaps.cpp index b5347e9ad..c36eeabff 100644 --- a/src/modules/m_blockcaps.cpp +++ b/src/modules/m_blockcaps.cpp @@ -29,7 +29,8 @@ class ModuleBlockCAPS : public Module SimpleChannelModeHandler bc; unsigned int percent; unsigned int minlen; - std::bitset<UCHAR_MAX> capsmap; + std::bitset<UCHAR_MAX> lowercase; + std::bitset<UCHAR_MAX> uppercase; public: ModuleBlockCAPS() @@ -47,7 +48,7 @@ public: { if (target_type == TYPE_CHANNEL) { - if ((!IS_LOCAL(user)) || (text.length() < minlen) || (text == "\1ACTION\1") || (text == "\1ACTION")) + if (!IS_LOCAL(user)) return MOD_RES_PASSTHRU; Channel* c = (Channel*)dest; @@ -58,17 +59,43 @@ public: if (!c->GetExtBanStatus(user, 'B').check(!c->IsModeSet(bc))) { - std::string::size_type caps = 0; - unsigned int offset = 0; - // Ignore the beginning of the text if it's a CTCP ACTION (/me) - if (!text.compare(0, 8, "\1ACTION ", 8)) - offset = 8; + // If the message is a CTCP then we skip it unless it is + // an ACTION in which case we strip the prefix and suffix. + std::string::const_iterator text_begin = text.begin(); + std::string::const_iterator text_end = text.end(); + if (text[0] == '\1') + { + // If the CTCP is not an action then skip it. + if (text.compare(0, 8, "\1ACTION ", 8)) + return MOD_RES_PASSTHRU; + + // Skip the CTCP message characters. + text_begin += 8; + if (*text.rbegin() == '\1') + text_end -= 1; + } + + // If the message is shorter than the minimum length + // then we don't need to do anything else. + size_t length = std::distance(text_begin, text_end); + if (length < minlen) + return MOD_RES_PASSTHRU; - for (std::string::const_iterator i = text.begin() + offset; i != text.end(); ++i) - if (capsmap.test(*i)) - caps += 1; + // Count the characters to see how many upper case and + // ignored (non upper or lower) characters there are. + size_t upper = 0; + for (std::string::const_iterator iter = text_begin; iter != text_end; ++iter) + { + if (uppercase.test(*iter)) + upper += 1; + else if (!lowercase.test(*iter)) + length -= 1; + } - if (((caps * 100) / text.length()) >= percent) + // Calculate the percentage which is upper case. If the + // message was entirely symbols then it can't contain + // any upper case letters. + if (length > 0 && round((upper * 100) / length) >= percent) { user->WriteNumeric(ERR_CANNOTSENDTOCHAN, c->name, InspIRCd::Format("Your message cannot contain %d%% or more capital letters if it's longer than %d characters", percent, minlen)); return MOD_RES_DENY; @@ -83,10 +110,16 @@ public: ConfigTag* tag = ServerInstance->Config->ConfValue("blockcaps"); percent = tag->getInt("percent", 100, 1, 100); minlen = tag->getInt("minlen", 1, 1, ServerInstance->Config->Limits.MaxLine); - std::string hmap = tag->getString("capsmap", "ABCDEFGHIJKLMNOPQRSTUVWXYZ"); - capsmap.reset(); - for (std::string::iterator n = hmap.begin(); n != hmap.end(); n++) - capsmap.set(*n); + + lowercase.reset(); + const std::string lower = tag->getString("lowercase", "abcdefghijklmnopqrstuvwxyz"); + for (std::string::const_iterator iter = lower.begin(); iter != lower.end(); ++iter) + lowercase.set(*iter); + + uppercase.reset(); + const std::string upper = tag->getString("uppercase", tag->getString("capsmap", "ABCDEFGHIJKLMNOPQRSTUVWXYZ")); + for (std::string::const_iterator iter = upper.begin(); iter != upper.end(); ++iter) + uppercase.set(*iter); } Version GetVersion() CXX11_OVERRIDE |