1 | #!/usr/bin/python |
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2 | |
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3 | import logging, BaseHTTPServer |
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4 | import time |
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5 | import ipp |
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6 | import ipp.constants as const |
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7 | from ipp.constants import Operations |
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8 | |
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9 | logging.basicConfig(level=logging.DEBUG) |
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10 | |
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11 | def handler_for(operation): |
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12 | def f(func): |
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13 | func.ipp_operation = operation |
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14 | return func |
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15 | return f |
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16 | |
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17 | class IPPRequestHandler(object): |
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18 | def _ipp_dispatch(self, request): |
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19 | for d in dir(self): |
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20 | if getattr(getattr(self, d), "ipp_operation", None) == request.operation_id: |
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21 | return getattr(self, d) |
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22 | return self.unknown_operation |
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23 | |
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24 | def unknown_operation(self, request, response): |
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25 | print "Received UNKNOWN OPERATION %x" % request.operation_id |
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26 | response.operation_id = const.StatusCodes.OPERATION_NOT_SUPPORTED |
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27 | |
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28 | class PrinterRequestHandler(IPPRequestHandler): |
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29 | def __init__(self, name): |
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30 | self.name = name |
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31 | |
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32 | @handler_for(Operations.GET_PRINTER_ATTRIBUTES) |
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33 | def get_printer_attributes(self, request, response): |
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34 | printer_attributes = ipp.AttributeGroup(const.AttributeTags.PRINTER) |
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35 | printer_attributes[:] = \ |
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36 | ipp.Attribute("printer-uri-supported", |
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37 | [ipp.Value(ipp.Tags.URI, |
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38 | "ipp://localhost:8000/printers/"+self.name)] |
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39 | ) |
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40 | printer_attributes[:] = \ |
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41 | ipp.Attribute("uri-authentication-supported", |
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42 | [ipp.Value(ipp.Tags.KEYWORD, |
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43 | "none")] |
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44 | ) |
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45 | printer_attributes[:] = \ |
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46 | ipp.Attribute("uri-security-supported", |
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47 | [ipp.Value(ipp.Tags.KEYWORD, |
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48 | "none")] |
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49 | ) |
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50 | printer_attributes[:] = \ |
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51 | ipp.Attribute("printer-name", |
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52 | [ipp.Value(ipp.Tags.NAME_WITHOUT_LANGUAGE, |
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53 | self.name)] |
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54 | ) |
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55 | printer_attributes[:] = \ |
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56 | ipp.Attribute("printer-state", |
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57 | [ipp.Value(ipp.Tags.ENUM, |
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58 | const.PrinterStates.IDLE)] |
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59 | ) |
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60 | printer_attributes[:] = \ |
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61 | ipp.Attribute("printer-state-reasons", |
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62 | [ipp.Value(ipp.Tags.KEYWORD, |
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63 | "none")] |
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64 | ) |
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65 | printer_attributes[:] = \ |
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66 | ipp.Attribute("ipp-versions-supported", |
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67 | [ipp.Value(ipp.Tags.KEYWORD, |
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68 | "1.0"), |
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69 | ipp.Value(ipp.Tags.KEYWORD, |
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70 | "1.1")] |
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71 | ) |
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72 | printer_attributes[:] = \ |
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73 | ipp.Attribute("operations-supported", |
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74 | [ipp.Value(ipp.Tags.ENUM, |
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75 | Operations.GET_JOBS)] |
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76 | ) #XXX: We should query ourself for the supported operations |
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77 | printer_attributes[:] = \ |
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78 | ipp.Attribute("charset-configured", |
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79 | [ipp.Value(ipp.Tags.CHARSET, |
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80 | "utf-8")] |
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81 | ) |
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82 | printer_attributes[:] = \ |
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83 | ipp.Attribute("charset-supported", |
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84 | [ipp.Value(ipp.Tags.CHARSET, |
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85 | "utf-8")] |
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86 | ) |
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87 | printer_attributes[:] = \ |
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88 | ipp.Attribute("natural-language-configured", |
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89 | [ipp.Value(ipp.Tags.NATURAL_LANGUAGE, |
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90 | "en-us")] |
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91 | ) |
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92 | printer_attributes[:] = \ |
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93 | ipp.Attribute("generated-natural-language-supported", |
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94 | [ipp.Value(ipp.Tags.NATURAL_LANGUAGE, |
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95 | "en-us")] |
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96 | ) |
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97 | printer_attributes[:] = \ |
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98 | ipp.Attribute("document-format-default", |
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99 | [ipp.Value(ipp.Tags.MIME_MEDIA_TYPE, |
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100 | "application/octet-stream")] |
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101 | ) |
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102 | printer_attributes[:] = \ |
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103 | ipp.Attribute("document-format-supported", |
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104 | [ipp.Value(ipp.Tags.MIME_MEDIA_TYPE, |
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105 | "application/octet-stream"), |
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106 | ipp.Value(ipp.Tags.MIME_MEDIA_TYPE, |
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107 | "audio/mp3")] |
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108 | ) |
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109 | printer_attributes[:] = \ |
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110 | ipp.Attribute("printer-is-accepting-jobs", |
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111 | [ipp.Value(ipp.Tags.BOOLEAN, |
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112 | True)] |
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113 | ) |
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114 | printer_attributes[:] = \ |
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115 | ipp.Attribute("queued-job-count", |
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116 | [ipp.Value(ipp.Tags.INTEGER, |
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117 | 1)] |
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118 | ) |
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119 | printer_attributes[:] = \ |
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120 | ipp.Attribute("pdl-override-supported", |
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121 | [ipp.Value(ipp.Tags.KEYWORD, |
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122 | "not-attempted")] |
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123 | ) |
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124 | printer_attributes[:] = \ |
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125 | ipp.Attribute("printer-up-time", |
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126 | [ipp.Value(ipp.Tags.INTEGER, |
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127 | int(time.time()))] |
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128 | ) |
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129 | printer_attributes[:] = \ |
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130 | ipp.Attribute("compression-supported", |
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131 | [ipp.Value(ipp.Tags.KEYWORD, |
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132 | "none")] |
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133 | ) |
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134 | |
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135 | response.attribute_groups.append(printer_attributes) |
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136 | response.operation_id = const.StatusCodes.OK |
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137 | print "get_printer_attributes called" |
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138 | |
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139 | class RootRequestHandler(IPPRequestHandler): |
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140 | printers = [PrinterRequestHandler(name="sipbmp3")] |
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141 | |
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142 | @handler_for(Operations.CUPS_GET_DEFAULT) |
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143 | def cups_get_default(self, request, response): |
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144 | print "get_default called" |
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145 | return self.printers[0].get_printer_attributes(request, response) |
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146 | |
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147 | @handler_for(Operations.CUPS_GET_PRINTERS) |
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148 | def cups_get_printers(self, request, response): |
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149 | print "get_printers called" |
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150 | response.operation_id = const.StatusCodes.OK |
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151 | for p in self.printers: |
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152 | # Each printer will append a new printer attribute group. |
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153 | p.get_printer_attributes(request, response) |
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154 | |
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155 | @handler_for(Operations.CUPS_GET_CLASSES) |
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156 | def cups_get_classes(self, request, response): |
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157 | print "get_classes called" |
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158 | response.operation_id = const.StatusCodes.OK |
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159 | # We have no printer classes, so nothing to return. |
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160 | |
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161 | class GutenbachIPPHandler(BaseHTTPServer.BaseHTTPRequestHandler): |
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162 | def setup(self): |
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163 | self.root = RootRequestHandler() |
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164 | BaseHTTPServer.BaseHTTPRequestHandler.setup(self) |
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165 | |
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166 | def handle_one_request(self): |
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167 | self.raw_requestline = self.rfile.readline() |
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168 | if not self.raw_requestline: |
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169 | self.close_connection = 1 |
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170 | return |
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171 | if not self.parse_request(): # An error code has been sent, just exit |
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172 | return |
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173 | self.handle_ipp() |
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174 | |
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175 | def handle_ipp(self): |
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176 | length = int(self.headers.getheader('content-length', 0)) |
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177 | request = ipp.Request(request=self.rfile, |
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178 | length=length) |
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179 | print "Received request:", repr(request) |
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180 | |
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181 | response_kwargs = {} |
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182 | response_kwargs['version'] = request.version |
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183 | response_kwargs['operation_id'] = const.StatusCodes.INTERNAL_ERROR |
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184 | response_kwargs['request_id'] = request.request_id |
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185 | response_kwargs['attribute_groups'] = [ |
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186 | ipp.AttributeGroup(const.AttributeTags.OPERATION, |
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187 | [ipp.Attribute('attributes-charset', |
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188 | [ipp.Value(ipp.Tags.CHARSET, |
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189 | 'utf-8' |
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190 | )]), |
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191 | ipp.Attribute('attributes-natural-language', |
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192 | [ipp.Value(ipp.Tags.NATURAL_LANGUAGE, |
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193 | 'en-us' |
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194 | )]) |
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195 | ])] |
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196 | |
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197 | response = ipp.Request(**response_kwargs) |
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198 | handler = self.root._ipp_dispatch(request) |
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199 | handler(request, response) |
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200 | print "Sending response:", repr(response) |
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201 | |
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202 | self.send_response(200, "o hai") |
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203 | self.send_header("Content-Type", "application/ipp") |
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204 | self.send_header("Connection", "close") |
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205 | self.end_headers() |
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206 | self.wfile.write(response.packed_value) |
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207 | |
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208 | def get_jobs(self, request, response_kwargs): |
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209 | """get-jobs response""" |
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210 | |
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211 | job_attributes = [ipp.Attribute('job-id', |
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212 | [ipp.Value(ipp.Tags.INTEGER, |
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213 | 12345, |
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214 | )]), |
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215 | ipp.Attribute('job-name', |
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216 | [ipp.Value(ipp.Tags.NAME_WITHOUT_LANGUAGE, |
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217 | 'foo', |
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218 | )]), |
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219 | ipp.Attribute('job-originating-user-name', |
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220 | [ipp.Value(ipp.Tags.NAME_WITHOUT_LANGUAGE, |
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221 | 'jhamrick', |
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222 | )]), |
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223 | ipp.Attribute('job-k-octets', |
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224 | [ipp.Value(ipp.Tags.INTEGER, |
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225 | 1, |
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226 | )]), |
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227 | ipp.Attribute('job-state', |
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228 | [ipp.Value(ipp.Tags.ENUM, |
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229 | const.JobStates.HELD, |
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230 | )]), |
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231 | ipp.Attribute('job-printer-uri', |
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232 | [ipp.Value(ipp.Tags.URI, |
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233 | 'ipp://localhost:8000/printers/foo', |
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234 | )])] |
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235 | |
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236 | |
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237 | #req_op_attributes = request.getAttributeGroup(ipp.Tags.OPERATION_ATTRIBUTES_TAG) |
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238 | #print req_op_attributes |
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239 | #printer_uri = req_op_attributes[0].getAttribute('printer-uri') |
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240 | |
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241 | op_attributes = [ipp.Attribute('attributes-charset', |
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242 | [ipp.Value(ipp.Tags.CHARSET, |
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243 | 'utf-8', |
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244 | )]), |
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245 | ipp.Attribute('attributes-natural-language', |
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246 | [ipp.Value(ipp.Tags.NATURAL_LANGUAGE, |
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247 | 'en-us', |
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248 | )])] |
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249 | |
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250 | job_attribute_group = ipp.AttributeGroup(const.AttributeTags.JOB, |
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251 | job_attributes) |
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252 | op_attributes_group = ipp.AttributeGroup(const.AttributeTags.OPERATION, |
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253 | op_attributes) |
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254 | response_kwargs['attribute_groups'] = [op_attributes_group,job_attribute_group] |
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255 | response_kwargs['operation_id'] = const.StatusCodes.OK |
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256 | |
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257 | return response_kwargs |
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258 | |
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259 | ##### Printer Commands |
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260 | |
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261 | def print_job(self, request): |
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262 | pass |
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263 | |
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264 | def validate_job(self, request): |
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265 | pass |
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266 | |
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267 | #def get_jobs(self, request): |
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268 | # pass |
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269 | |
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270 | def print_uri(self, request): |
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271 | pass |
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272 | |
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273 | def create_job(self, request): |
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274 | pass |
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275 | |
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276 | def pause_printer(self, request): |
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277 | pass |
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278 | |
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279 | def resume_printer(self, request): |
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280 | pass |
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281 | |
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282 | def set_printer_attributes(self, request): |
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283 | pass |
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284 | |
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285 | ##### Job Commands |
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286 | |
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287 | def cancel_job(self, request): |
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288 | pass |
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289 | |
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290 | def get_job_attributes(self, request): |
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291 | pass |
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292 | |
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293 | def send_document(self, request): |
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294 | pass |
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295 | |
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296 | def send_uri(self, request): |
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297 | pass |
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298 | |
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299 | def set_job_attributes(self, request): |
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300 | pass |
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301 | |
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302 | def cups_get_document(self, request): |
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303 | pass |
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304 | |
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305 | def restart_job(self, request): |
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306 | pass |
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307 | |
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308 | def promote_job(self, request): |
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309 | pass |
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310 | |
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311 | if __name__ == '__main__': |
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312 | server_address = ('', 8000) |
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313 | httpd = BaseHTTPServer.HTTPServer(server_address, GutenbachIPPHandler) |
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314 | httpd.serve_forever() |
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