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backport (sh002i): support for Apache::WeBWorK on the server root -- resolves bug #1150.
1 #!perl 2 ################################################################################ 3 # WeBWorK Online Homework Delivery System 4 # Copyright © 2000-2006 The WeBWorK Project, http://openwebwork.sf.net/ 5 # $CVSHeader$ 6 # 7 # This program is free software; you can redistribute it and/or modify it under 8 # the terms of either: (a) the GNU General Public License as published by the 9 # Free Software Foundation; either version 2, or (at your option) any later 10 # version, or (b) the "Artistic License" which comes with this package. 11 # 12 # This program is distributed in the hope that it will be useful, but WITHOUT 13 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 14 # FOR A PARTICULAR PURPOSE. See either the GNU General Public License or the 15 # Artistic License for more details. 16 ################################################################################ 17 18 # This file is used to set up the default WeBWorK course environment for all 19 # requests. Values may be overwritten by the course.conf for a specific course. 20 # All package variables set in this file are added to the course environment. 21 # If you wish to set a variable here but omit it from the course environment, 22 # use the "my" keyword. The $webwork_dir variable is set in the WeBWorK Apache 23 # configuration file (webwork.apache-config) and is available for use here. In 24 # addition, the $courseName variable holds the name of the current course. 25 26 ################################################################################ 27 # Seed variables 28 ################################################################################ 29 30 # Set these variables to correspond to your configuration and preferences. You 31 # will need to restart the webserver to reset the variables in this section. 32 33 # URL of WeBWorK handler. If WeBWorK is to be on the web server root, use "". 34 $webwork_url = "/webwork2"; 35 36 # Root directory of PG. 37 $pg_dir = "/opt/webwork/pg"; 38 39 # URL and path to htdocs directory. 40 $webwork_htdocs_url = "/webwork2_files"; 41 $webwork_htdocs_dir = "$webwork_dir/htdocs"; 42 43 # URL and path to courses directory. 44 $webwork_courses_url = "/webwork2_course_files"; 45 $webwork_courses_dir = "/opt/webwork/courses"; 46 47 ################################################################################ 48 # Paths to external programs 49 ################################################################################ 50 51 # system utilties 52 $externalPrograms{mkdir} = "/bin/mkdir"; 53 $externalPrograms{mv} = "/bin/mv"; 54 $externalPrograms{mysql} = "/usr/bin/mysql"; 55 $externalPrograms{tar} = "/usr/bin/tar"; 56 57 # equation rendering/hardcopy utiltiies 58 $externalPrograms{latex} = "/usr/bin/latex"; 59 $externalPrograms{pdflatex} = "/usr/bin/pdflatex --shell-escape"; # --shell-escape allows pdflatex to handle .eps files 60 $externalPrograms{dvipng} = "/usr/bin/dvipng"; 61 $externalPrograms{tth} = "/usr/bin/tth"; 62 63 #################################################### 64 # NetPBM - basic image manipulation utilities 65 # 66 # Most sites only need to configure $netpbm_prefix. 67 #################################################### 68 my $netpbm_prefix = "/usr/bin"; 69 $externalPrograms{giftopnm} = "$netpbm_prefix/giftopnm"; 70 $externalPrograms{ppmtopgm} = "$netpbm_prefix/ppmtopgm"; 71 $externalPrograms{pnmtops} = "$netpbm_prefix/pnmtops"; 72 $externalPrograms{pnmtopng} = "$netpbm_prefix/pnmtopng"; 73 $externalPrograms{pngtopnm} = "$netpbm_prefix/pngtopnm"; 74 75 # url checker 76 $externalPrograms{checkurl} = "/usr/local/bin/lwp-request -mHEAD "; # or "/usr/local/bin/w3c -head " 77 78 # image conversions utiltiies 79 # the source file is given on stdin, and the output expected on stdout. 80 # 81 # Note on conversions pipelines: 82 # we used to use `pnmdepth 1' instead of ppmtopgm as it creates a 83 # monochrome image (1 bit) rather than a greyscale image (8 bits). 84 # However, this was causing improper display of some sort in PDFs. 85 ################################################################################ 86 87 $externalPrograms{gif2eps} = "$externalPrograms{giftopnm} | $externalPrograms{ppmtopgm} | $externalPrograms{pnmtops} -noturn 2>/dev/null"; 88 $externalPrograms{png2eps} = "$externalPrograms{pngtopnm} | $externalPrograms{ppmtopgm} | $externalPrograms{pnmtops} -noturn 2>/dev/null"; 89 $externalPrograms{gif2png} = "$externalPrograms{giftopnm} | $externalPrograms{pnmtopng}"; 90 91 ################################################################################ 92 # Mail settings 93 ################################################################################ 94 95 # Mail sent by the PG system and the mail merge and feedback modules will be 96 # sent via this SMTP server. 97 $mail{smtpServer} = 'mail.yourschool.edu'; 98 99 # When connecting to the above server, WeBWorK will send this address in the 100 # MAIL FROM command. This has nothing to do with the "From" address on the mail 101 # message. It can really be anything, but some mail servers require it contain 102 # a valid mail domain, or at least be well-formed. 103 $mail{smtpSender} = 'webwork@yourserver.yourschool.edu'; 104 105 # AllowedRecipients defines addresses that the PG system is allowed to send mail 106 # to. this prevents subtle PG exploits. This should be set in course.conf to the 107 # addresses of professors of each course. Sending mail from the PG system (i.e. 108 # questionaires, essay questions) will fail if this is not set somewhere (either 109 # here or in course.conf). 110 $mail{allowedRecipients} = [ 111 #'prof1@yourserver.yourdomain.edu', 112 #'prof2@yourserver.yourdomain.edu', 113 ]; 114 115 # By default, feeback is sent to all users who have permission to 116 # receive_feedback. If this list is non-empty, feedback is also sent to the 117 # addresses specified here. 118 # 119 # * If you want to disable feedback altogether, leave this empty and set 120 # submit_feeback => $nobody in %permissionLevels below. This will cause the 121 # feedback button to go away as well. 122 # 123 # * If you want to send email ONLY to addresses in this list, set 124 # receive_feedback => $nobody in %permissionLevels below. 125 # 126 # It's often useful to set this in the course.conf to change the behavior of 127 # feedback for a specific course. 128 # 129 # Items in this list may be bare addresses, or RFC822 mailboxes, like: 130 # 'Joe User <joe.user@example.com>' 131 # The advantage of this form is that the resulting email will include the name 132 # of the recipient in the "To" field of the email. 133 # 134 $mail{feedbackRecipients} = [ 135 #'prof1@yourserver.yourdomain.edu', 136 #'prof2@yourserver.yourdomain.edu', 137 ]; 138 139 # Feedback subject line -- the following escape sequences are recognized: 140 # 141 # %c = course ID 142 # %u = user ID 143 # %s = set ID 144 # %p = problem ID 145 # %x = section 146 # %r = recitation 147 # %% = literal percent sign 148 # 149 $mail{feedbackSubjectFormat} = "[WWfeedback] course:%c user:%u set:%s prob:%p sec:%x rec:%r"; 150 151 # feedbackVerbosity: 152 # 0: send only the feedback comment and context link 153 # 1: as in 0, plus user, set, problem, and PG data 154 # 2: as in 1, plus the problem environment (debugging data) 155 $mail{feedbackVerbosity} = 1; 156 157 # Defines the size of the Mail Merge editor window 158 # FIXME: should this be here? it's UI, not mail 159 # FIXME: replace this with the auto-size method that TWiki uses 160 $mail{editor_window_rows} = 15; 161 $mail{editor_window_columns} = 100; 162 163 # Use this to customize the text of the feedback button. 164 $feedback_button_name = "Email instructor"; 165 166 ################################################################################ 167 # System-wide locations (directories and URLs) 168 ################################################################################ 169 170 # The root directory, set by webwork_root variable in Apache configuration. 171 $webworkDirs{root} = "$webwork_dir"; 172 173 # Location of system-wide data files. 174 $webworkDirs{DATA} = "$webworkDirs{root}/DATA"; 175 176 # Used for temporary storage of uploaded files. 177 $webworkDirs{uploadCache} = "$webworkDirs{DATA}/uploads"; 178 179 # Location of utility programs. 180 $webworkDirs{bin} = "$webworkDirs{root}/bin"; 181 182 # Location of configuration files, templates, snippets, etc. 183 $webworkDirs{conf} = "$webworkDirs{root}/conf"; 184 185 # Location of theme templates. 186 $webworkDirs{templates} = "$webworkDirs{conf}/templates"; 187 188 # Location of course directories. 189 $webworkDirs{courses} = "$webwork_courses_dir" || "$webworkDirs{root}/courses"; 190 191 # Contains log files. 192 $webworkDirs{logs} = "$webworkDirs{root}/logs"; 193 194 # Contains non-web-accessible temporary files, such as TeX working directories. 195 $webworkDirs{tmp} = "$webworkDirs{root}/tmp"; 196 197 # The (absolute) destinations of symbolic links that are OK for the FileManager to follow. 198 # (any subdirectory of these is a valid target for a symbolic link.) 199 # For example: 200 # $webworkDirs{valid_symlinks} = ["$webworkDirs{courses}/modelCourse/templates","/ww2/common/sets"]; 201 $webworkDirs{valid_symlinks} = []; 202 203 ##### The following locations are web-accessible. 204 205 # The root URL (usually /webwork2), set by <Location> in Apache configuration. 206 $webworkURLs{root} = "$webwork_url"; 207 208 # Location of system-wide web-accessible files, such as equation images, and 209 # help files. 210 $webworkDirs{htdocs} = "$webwork_htdocs_dir" || "$webworkDirs{root}/htdocs"; 211 $webworkURLs{htdocs} = "$webwork_htdocs_url"; 212 213 # Location of web-accessible temporary files, such as equation images. 214 $webworkDirs{htdocs_temp} = "$webworkDirs{htdocs}/tmp"; 215 $webworkURLs{htdocs_temp} = "$webworkURLs{htdocs}/tmp"; 216 217 # Location of cached equation images. 218 $webworkDirs{equationCache} = "$webworkDirs{htdocs_temp}/equations"; 219 $webworkURLs{equationCache} = "$webworkURLs{htdocs_temp}/equations"; 220 221 # Contains context-sensitive help files. 222 $webworkDirs{local_help} = "$webworkDirs{htdocs}/helpFiles"; 223 $webworkURLs{local_help} = "$webworkURLs{htdocs}/helpFiles"; 224 225 # URL of general WeBWorK documentation. 226 $webworkURLs{docs} = "http://webhost.math.rochester.edu/webworkdocs/docs"; 227 228 # URL of WeBWorK Bugzilla database. 229 $webworkURLs{bugReporter} = "http://bugs.webwork.rochester.edu/"; 230 231 # Location of CSS 232 $webworkURLs{stylesheet} = "$webworkURLs{htdocs}/css/ur.css"; 233 234 # Location of jsMath script, used for the jsMath display mode. 235 $webworkURLs{jsMath} = "$webworkURLs{htdocs}/jsMath/jsMath-ww.js"; 236 237 # Location of ASCIIMathML script, used for the asciimath display mode. 238 $webworkURLs{asciimath} = "$webworkURLs{htdocs}/ASCIIMathML/ASCIIMathML.js"; 239 240 # Location of LaTeXMathML script, used for the LaTeXMathML display mode. 241 $webworkURLs{LaTeXMathML} = "$webworkURLs{htdocs}/LaTeXMathML/LaTeXMathML.js"; 242 243 ################################################################################ 244 # Defaults for course-specific locations (directories and URLs) 245 ################################################################################ 246 247 # The root directory of the current course. (The ID of the current course is 248 # available in $courseName.) 249 $courseDirs{root} = "$webworkDirs{courses}/$courseName"; 250 251 # Location of course-specific data files. 252 $courseDirs{DATA} = "$courseDirs{root}/DATA"; 253 254 # Location of course HTML files, passed to PG. 255 $courseDirs{html} = "$courseDirs{root}/html"; 256 $courseURLs{html} = "$webwork_courses_url/$courseName"; 257 258 # Location of course image files, passed to PG. 259 $courseDirs{html_images} = "$courseDirs{html}/images"; 260 261 # Location of web-accessible, course-specific temporary files, like static and 262 # dynamically-generated PG graphics. 263 $courseDirs{html_temp} = "$courseDirs{html}/tmp"; 264 $courseURLs{html_temp} = "$courseURLs{html}/tmp"; 265 266 # Location of course-specific logs, like the transaction log. 267 $courseDirs{logs} = "$courseDirs{root}/logs"; 268 269 # Location of scoring files. 270 $courseDirs{scoring} = "$courseDirs{root}/scoring"; 271 272 # Location of PG templates and set definition files. 273 $courseDirs{templates} = "$courseDirs{root}/templates"; 274 275 # Location of course-specific macro files. 276 $courseDirs{macros} = "$courseDirs{templates}/macros"; 277 278 # Location of mail-merge templates. 279 $courseDirs{email} = "$courseDirs{templates}/email"; 280 281 # Location of temporary editing files. 282 $courseDirs{tmpEditFileDir} = "$courseDirs{templates}/tmpEdit"; 283 284 # If this is set to a non-empty value (i.e. in course.conf), WeBWorK's usual 285 # email feedback mechanism will be replaced with a link to the given URL. 286 # See also $feedback_button_name, above. 287 $courseURLs{feedbackURL} = ""; 288 # mail merge status directory 289 $courseDirs{mailmerge} = "$courseDirs{DATA}/mailmerge"; 290 291 ################################################################################ 292 # System-wide files 293 ################################################################################ 294 295 # Location of this file. 296 $webworkFiles{environment} = "$webworkDirs{conf}/global.conf"; 297 298 # Flat-file database used to protect against MD5 hash collisions. TeX equations 299 # are hashed to determine the name of the image file. There is a tiny chance of 300 # a collision between two TeX strings. This file allows for that. However, this 301 # is slow, so most people chose not to worry about it. Set this to "" if you 302 # don't want to use the equation cache file. 303 $webworkFiles{equationCacheDB} = ""; # "$webworkDirs{DATA}/equationcache"; 304 305 ##### Hardcopy snippets are used in constructing a TeX file for hardcopy output. 306 ##### They should contain TeX code unless otherwise noted. 307 308 # The preamble is the first thing in the TeX file. 309 $webworkFiles{hardcopySnippets}{preamble} = "$webworkDirs{conf}/snippets/hardcopyPreamble.tex"; 310 311 # The setHeader preceeds each set. It is a PG file. 312 $webworkFiles{hardcopySnippets}{setHeader} = "$webworkDirs{conf}/snippets/setHeader.pg"; # hardcopySetHeader.pg", 313 314 # The problem divider goes between problems. 315 $webworkFiles{hardcopySnippets}{problemDivider} = "$webworkDirs{conf}/snippets/hardcopyProblemDivider.tex"; 316 317 # The set footer goes after each set. Is is a PG file. 318 $webworkFiles{hardcopySnippets}{setFooter} = "$webworkDirs{conf}/snippets/hardcopySetFooter.pg"; 319 320 # The set divider goes between sets (in multiset output). 321 $webworkFiles{hardcopySnippets}{setDivider} = "$webworkDirs{conf}/snippets/hardcopySetDivider.tex"; 322 323 # The user divider does between users (in multiuser output). 324 $webworkFiles{hardcopySnippets}{userDivider} = "$webworkDirs{conf}/snippets/hardcopyUserDivider.tex"; 325 326 # The postabmle is the last thing in the TeX file. 327 $webworkFiles{hardcopySnippets}{postamble} = "$webworkDirs{conf}/snippets/hardcopyPostamble.tex"; 328 329 ##### Screen snippets are used when displaying problem sets on the screen. 330 331 # The set header is displayed on the problem set page. It is a PG file. 332 $webworkFiles{screenSnippets}{setHeader} = "$webworkDirs{conf}/snippets/setHeader.pg"; # screenSetHeader.pg" 333 334 # A PG template for creation of new problems. 335 $webworkFiles{screenSnippets}{blankProblem} = "$webworkDirs{conf}/snippets/blankProblem.pg"; # screenSetHeader.pg" 336 337 # A site info "message of the day" file 338 $webworkFiles{site_info} = "$webworkDirs{htdocs}/site_info.txt"; 339 340 ################################################################################ 341 # Course-specific files 342 ################################################################################ 343 344 # The course configuration file. 345 $courseFiles{environment} = "$courseDirs{root}/course.conf"; 346 347 # The course simple configuration file (holds web-based configuratoin). 348 $courseFiles{simpleConfig} = "$courseDirs{root}/simple.conf"; 349 350 # File contents are displayed after login, on the problem sets page. Path given 351 # here is relative to the templates directory. 352 $courseFiles{course_info} = "course_info.txt"; 353 354 # File contents are displayed on the login page. Path given here is relative to 355 # the templates directory. 356 $courseFiles{login_info} = "login_info.txt"; 357 358 # Additional library buttons can be added to the Library Browser (SetMaker.pm) 359 # by adding the libraries you want to the following line. For each key=>value 360 # in the list, if a directory (or link to a directory) with name 'key' appears 361 # in the templates directory, then a button with name 'value' will be placed at 362 # the top of the problem browser. (No button will appear if there is no 363 # directory or link with the given name in the templates directory.) For 364 # example, 365 # 366 # $courseFiles{problibs} = {rochester => "Rochester", asu => "ASU"}; 367 # 368 # would add two buttons, one for the Rochester library and one for the ASU 369 # library, provided templates/rochester and templates/asu exists either as 370 # subdirectories or links to other directories. 371 # 372 $courseFiles{problibs} = { 373 # rochesterLibrary => "Rochester", 374 # asuLibrary => "Arizona State", 375 # dcdsLibrary => "Detroit CDS", 376 # dartmouthLibrary => "Dartmouth", 377 # indianaLibrary => "Indiana", 378 # osuLibrary => "Ohio State", 379 # capaLibrary => "CAPA", 380 }; 381 382 ################################################################################ 383 # Database options 384 ################################################################################ 385 386 # these variables are used by database.conf. we define them here so that editing 387 # database.conf isn't necessary. 388 $database_dsn = "dbi:mysql:webwork"; 389 $database_username = "webworkWrite"; 390 $database_password = ""; 391 $database_debug = 0; 392 393 # Variables for sql_moodle database layout. 394 $moodle_dsn = "dbi:mysql:moodle"; 395 $moodle_table_prefix = "mdl_"; 396 $moodle_username = $database_username; 397 $moodle_password = $database_password; 398 399 # Several database are defined in the file conf/database.conf and stored in the 400 # hash %dbLayouts. 401 include "conf/database.conf"; 402 403 # Select the default database layout. This can be overridden in the course.conf 404 # file of a particular course. The only database layout supported in WW 2.1.4 405 # and up is "sql_single". 406 $dbLayoutName = "sql_single"; 407 408 # This sets the symbol "dbLayout" as an alias for the selected database layout. 409 *dbLayout = $dbLayouts{$dbLayoutName}; 410 411 ################################################################################ 412 # Problem library options 413 ################################################################################ 414 415 # For configuration instructions, see: 416 # http://devel.webwork.rochester.edu/twiki/bin/view/Webwork/DatabaseProblemLibrary 417 418 # The directory containing the problem library files. Set to "" if no problem 419 # library is installed. 420 $problemLibrary{root} = ""; 421 422 # Problem Library version 423 # Version 1 is in use. Version 2 will be released soon. 424 $problemLibrary{version} = "2"; 425 426 # The name of the SQL database containing problem metadata 427 $problemLibrary{sourceSQL} = "ProblemLibrary"; 428 429 # The user name to use when connecting to the problem library database 430 $problemLibrary{userSQL} = $database_username; 431 432 # The password to use when connecting to the problem library database 433 $problemLibrary{passwordSQL} = $database_password; 434 435 ################################################################################ 436 # Logs 437 ################################################################################ 438 439 # FIXME: take logs out of %webworkFiles/%courseFiles and give them their own 440 # top-level hash. 441 442 # Logs data about how long it takes to process problems. (Do not confuse this 443 # with the /other/ timing log which can be set by WeBWorK::Timing and is used 444 # for benchmarking system performance in general. At some point, this timing 445 # mechanism will be deprecated in favor of the WeBWorK::Timing mechanism.) 446 $webworkFiles{logs}{timing} = "$webworkDirs{logs}/timing.log"; 447 448 # Logs courses created via the web-based Course Administration module. 449 $webworkFiles{logs}{hosted_courses} = "$webworkDirs{logs}/hosted_courses.log"; 450 451 # The transaction log contains data from each recorded answer submission. This 452 # is useful if the database becomes corrupted. 453 # I changed this to log to the system logs directory to work around a 454 # bug in surePathToTempFile. 455 $webworkFiles{logs}{transaction} = "$webworkDirs{logs}/$courseName.transaction.log"; 456 457 # The answer log stores a history of all users' submitted answers. 458 $courseFiles{logs}{answer_log} = "$courseDirs{logs}/answer_log"; 459 460 # Log logins. 461 $courseFiles{logs}{login_log} = "$courseDirs{logs}/login.log"; 462 463 # Log for almost every click. By default it is the empty string, which 464 # turns this log off. If you want it turned on, we suggest 465 # "$courseDirs{logs}/activity.log" 466 # When turned on, this log can get quite large. 467 $courseFiles{logs}{activity_log} = ''; 468 469 ################################################################################ 470 # Site defaults (FIXME: what other things could be "site defaults"?) 471 ################################################################################ 472 473 # Set the default timezone of courses on this server. To get a list of valid 474 # timezones, run: 475 # 476 # perl -MDateTime::TimeZone -e 'print join "\n", DateTime::TimeZone::all_names' 477 # 478 # To get a list of valid timezone "links" (deprecated names), run: 479 # 480 # perl -MDateTime::TimeZone -e 'print join "\n", DateTime::TimeZone::links' 481 # 482 # If left blank, the system timezone will be used. This is usually what you 483 # want. You might want to set this if your server is NOT in the same timezone as 484 # your school. If just a few courses are in a different timezone, set this in 485 # course.conf for the affected courses instead. 486 # 487 $siteDefaults{timezone} = ""; 488 489 # The default_templates_course is used by default to create a new course. 490 # The contents of the templates directory are copied from this course 491 # to the new course being created. 492 $siteDefaults{default_templates_course} ="modelCourse"; 493 494 ################################################################################ 495 # Theme 496 ################################################################################ 497 498 $defaultTheme = "math"; 499 $defaultThemeTemplate = "system"; 500 501 ################################################################################ 502 # Authentication system 503 ################################################################################ 504 505 # FIXME This mechanism is a little awkward and probably should be merged with 506 # the dblayout selection system somehow. 507 508 # Select the authentication module to use for normal logins. 509 # 510 # If this value is a string, the given authentication module will be used 511 # regardless of the database layout. If it is a hash, the database layout name 512 # will be looked up in the hash and the resulting value will be used as the 513 # authentication module. The special hash key "*" is used if no entry for the 514 # current database layout is found. 515 # 516 $authen{user_module} = { 517 sql_moodle => "WeBWorK::Authen::Moodle", 518 "*" => "WeBWorK::Authen", 519 }; 520 521 # Select the authentication module to use for proctor logins. 522 # 523 # A string or a hash is accepted, as above. 524 # 525 $authen{proctor_module} = "WeBWorK::Authen::Proctor"; 526 527 # Options for particular authentication modules 528 529 $authen{ldap_options} = { 530 # hosts to attempt to connect to, in order. for example: 531 # auth.myschool.edu -- uses LDAP scheme and port 389 532 # ldap://auth.myschool.edu:666 -- non-standard port 533 # ldaps://auth.myschool.edu -- uses LDAPS scheme and port 636 534 # ldaps://auth.myschool.edu:389 -- SSL on non-SSL port 535 net_ldap_hosts => [ 536 "ldaps://corona-dmc.its.rochester.edu", 537 "ldaps://corona-dmb.acs.rochester.edu", 538 ], 539 # connection options 540 net_ldap_options => { 541 timeout => 30, 542 version => 3, 543 }, 544 # base to use when searching for user's DN 545 net_ldap_base => "ou=people,dc=rochester,dc=edu", 546 # If LDAP rejects password, check it against the WeBWorK password database 547 failover => 1, 548 }; 549 550 ################################################################################ 551 # Authorization system 552 ################################################################################ 553 554 # this section lets you define which groups of users can perform which actions. 555 556 # this hash maps a numeric permission level to the name of a role. the number 557 # assigned to a role is significant -- roles with higher numbers are considered 558 # "more privileged", and are included when that role is listed for a privilege 559 # below. 560 # 561 %userRoles = ( 562 guest => -5, 563 student => 0, 564 proctor => 2, 565 ta => 5, 566 professor => 10, 567 ); 568 569 # this hash maps operations to the roles that are allowed to perform those 570 # operations. the role listed and any role with a higher permission level (in 571 # the %userRoles hash) will be allowed to perform the operation. If the role 572 # is undefined, no users will be allowed to perform the operation. 573 # 574 %permissionLevels = ( 575 login => "guest", 576 report_bugs => "student", 577 submit_feedback => "student", 578 change_password => "student", 579 change_email_address => "student", 580 581 proctor_quiz => "proctor", 582 view_proctored_tests => "ta", 583 584 view_multiple_sets => "ta", 585 view_unopened_sets => "ta", 586 view_unpublished_sets => "ta", 587 view_answers => "ta", 588 589 become_student => "professor", 590 access_instructor_tools => "ta", 591 score_sets => "professor", 592 send_mail => "professor", 593 receive_feedback => "ta", 594 595 create_and_delete_problem_sets => "professor", 596 assign_problem_sets => "professor", 597 modify_problem_sets => "professor", 598 modify_student_data => "professor", 599 modify_classlist_files => "professor", 600 modify_set_def_files => "professor", 601 modify_scoring_files => "professor", 602 modify_problem_template_files => "professor", 603 manage_course_files => "professor", 604 605 create_and_delete_courses => "professor", 606 fix_course_databases => "professor", 607 608 ##### Behavior of the interactive problem processor ##### 609 610 show_correct_answers_before_answer_date => "ta", 611 show_solutions_before_answer_date => "ta", 612 avoid_recording_answers => "ta", 613 # Below this level, old answers are never initially shown 614 can_show_old_answers_by_default => "student", 615 # at this level, we look at showOldAnswers for default value 616 # even after the due date 617 can_always_use_show_old_answers_default => "professor", 618 check_answers_before_open_date => "ta", 619 check_answers_after_open_date_with_attempts => "ta", 620 check_answers_after_open_date_without_attempts => "guest", 621 check_answers_after_due_date => "guest", 622 check_answers_after_answer_date => "guest", 623 record_answers_when_acting_as_student => undef, 624 # "record_answers_when_acting_as_student" takes precedence 625 # over the following for professors acting as students: 626 record_answers_before_open_date => undef, 627 record_answers_after_open_date_with_attempts => "student", 628 record_answers_after_open_date_without_attempts => undef, 629 record_answers_after_due_date => undef, 630 record_answers_after_answer_date => undef, 631 dont_log_past_answers => "professor", 632 # does the user get to see a dump of the problem? 633 view_problem_debugging_info => "ta", 634 635 ##### Behavior of the Hardcopy Processor ##### 636 637 download_hardcopy_multiuser => "ta", 638 download_hardcopy_multiset => "ta", 639 download_hardcopy_format_pdf => "guest", 640 download_hardcopy_format_tex => "ta", 641 ); 642 643 # This is the default permission level given to new students and students with 644 # invalid or missing permission levels. 645 $default_permission_level = $userRoles{student}; 646 647 ################################################################################ 648 # Status system 649 ################################################################################ 650 651 # This is the default status given to new students and students with invalid 652 # or missing statuses. 653 $default_status = "Enrolled"; 654 655 # The first abbreviation in the abbreviations list is the canonical 656 # abbreviation, and will be used when setting the status value in a user record 657 # or an exported classlist file. 658 # 659 # Results are undefined if more than one status has the same abbreviation. 660 # 661 # The four behaviors that are controlled by status are: 662 # allow_course_access => is this user allowed to log in? 663 # include_in_assignment => is this user included when assigning as set to "all" users? 664 # include_in_stats => is this user included in statistical reports? 665 # include_in_email => is this user included in emails sent to the class? 666 # include_in_scoring => is this user included in score reports? 667 668 %statuses = ( 669 Enrolled => { 670 abbrevs => [qw/ C c current enrolled /], 671 behaviors => [qw/ allow_course_access include_in_assignment include_in_stats 672 include_in_email include_in_scoring /], 673 }, 674 Audit => { 675 abbrevs => [qw/ A a audit /], 676 behaviors => [qw/ allow_course_access include_in_assignment include_in_stats 677 include_in_email /], 678 }, 679 Drop => { 680 abbrevs => [qw/ D d drop withdraw /], 681 behaviors => [qw/ /], 682 }, 683 ); 684 685 ################################################################################ 686 # Session options 687 ################################################################################ 688 689 # $sessionKeyTimeout defines seconds of inactivity before a key expires 690 $sessionKeyTimeout = 60*30; 691 692 # $sessionKeyLength defines the length (in characters) of the session key 693 $sessionKeyLength = 32; 694 695 # @sessionKeyChars lists the legal session key characters 696 @sessionKeyChars = ('A'..'Z', 'a'..'z', '0'..'9'); 697 698 # Practice users are users who's names start with $practiceUser 699 # (you can comment this out to remove practice user support) 700 $practiceUserPrefix = "practice"; 701 702 # There is a practice user who can be logged in multiple times. He's 703 # commented out by default, though, so you don't hurt yourself. It is 704 # kindof a backdoor to the practice user system, since he doesn't have a 705 # password. Come to think of it, why do we even have this?! 706 #$debugPracticeUser = "practice666"; 707 708 # Option for gateway tests; $gatewayGracePeriod is the time in seconds 709 # after the official due date during which we'll still grade the test 710 $gatewayGracePeriod = 120; 711 712 ################################################################################ 713 # PG subsystem options 714 ################################################################################ 715 716 # List of enabled display modes. Comment out any modes you don't wish to make 717 # available for use. 718 $pg{displayModes} = [ 719 "plainText", # display raw TeX for math expressions 720 "formattedText", # format math expressions using TtH 721 "images", # display math expressions as images generated by dvipng 722 "jsMath", # render TeX math expressions on the client side using jsMath 723 "asciimath", # render TeX math expressions on the client side using ASCIIMathML 724 "LaTeXMathML", # render TeX math expressions on the client side using LaTeXMathML 725 ]; 726 727 #### Default settings for the PG translator 728 729 # Default display mode. Should be listed above. 730 $pg{options}{displayMode} = "images"; 731 732 # The default grader to use, if a problem doesn't specify. 733 $pg{options}{grader} = "avg_problem_grader"; 734 735 # Fill in answer blanks with the student's last answer by default? 736 $pg{options}{showOldAnswers} = 1; 737 738 # Show correct answers (when allowed) by default? 739 $pg{options}{showCorrectAnswers} = 0; 740 741 # Show hints (when allowed) by default? 742 $pg{options}{showHints} = 0; 743 744 # Show solutions (when allowed) by default? 745 $pg{options}{showSolutions} = 0; 746 747 # Catch translation warnings internally by default? (We no longer need to do 748 # this, since there is a global warnings handler. So this should be off.) 749 $pg{options}{catchWarnings} = 0; 750 751 ##### Currently-selected renderer 752 753 # Only the local renderer is supported in this version. 754 $pg{renderer} = "WeBWorK::PG::Local"; 755 756 # The remote renderer connects to an XML-RPC PG rendering server. 757 #$pg{renderer} = "WeBWorK::PG::Remote"; 758 759 ##### Renderer-dependent options 760 761 # The remote renderer has one option: 762 $pg{renderers}{"WeBWorK::PG::Remote"} = { 763 # The "proxy" server to connect to for remote rendering. 764 proxy => "http://localhost:21000/RenderD", 765 }; 766 767 ##### Settings for various display modes 768 769 # "images" mode has several settings: 770 $pg{displayModeOptions}{images} = { 771 # Determines the method used to align images in output. Can be 772 # "baseline", "absmiddle", or "mysql". 773 dvipng_align => 'mysql', 774 775 # If mysql is chosen, this information indicates which database contains the 776 # 'depths' table. Since 2.3.0, the depths table is kept in the main webwork 777 # database. (If you are upgrading from an earlier version of webwork, and 778 # used the mysql method in the past, you should move your existing 'depths' 779 # table to the main database.) 780 dvipng_depth_db => { 781 dbsource => $database_dsn, 782 user => $database_username, 783 passwd => $database_password, 784 }, 785 }; 786 787 $pg{displayModeOptions}{jsMath} = { 788 reportMissingFonts => 0, # set to 1 to allow the missing font message 789 missingFontMessage => undef, # set to an HTML string to replace the missing font message 790 noImageFonts => 0, # set to 1 if you didn't install the jsMath image fonts 791 processDoubleClicks => 1, # set to 0 to disable double-click on math to get TeX source 792 }; 793 794 ##### Directories used by PG 795 796 # The root of the PG directory tree (from pg_root in Apache config). 797 $pg{directories}{root} = "$pg_dir"; 798 $pg{directories}{lib} = "$pg{directories}{root}/lib"; 799 $pg{directories}{macros} = "$pg{directories}{root}/macros"; 800 801 # 802 # The macro file search path. Each directory in this list is seached 803 # (in this order) by loadMacros() when it looks for a .pl file. 804 # 805 $pg{directories}{macrosPath} = [ 806 ".", # search the problem file's directory 807 $courseDirs{macros}, 808 $pg{directories}{macros}, 809 ]; 810 811 # The applet search path. If a full URL is given, it is used unmodified. If an 812 # absolute path is given, the URL of the local server is prepended to it. 813 # 814 # For example, if an item is "/math/applets", 815 # and the local server is "https://math.yourschool.edu", 816 # then the URL "https://math.yourschool.edu/math/applets" will be used. 817 # 818 $pg{directories}{appletPath} = [ # paths to search for applets (requires full url) 819 "$webworkURLs{htdocs}/applets", 820 "$courseURLs{html}/applets", 821 ]; 822 823 ##### "Special" PG environment variables. (Stuff that doesn't fit in anywhere else.) 824 825 # Users for whom to print the file name of the PG file being processed. 826 $pg{specialPGEnvironmentVars}{PRINT_FILE_NAMES_FOR} = [ "professor", ]; 827 828 # Locations of CAPA resources. (Only necessary if you need to use converted CAPA 829 # problems.) 830 $pg{specialPGEnvironmentVars}{CAPA_Tools} = "$courseDirs{macros}/CAPA_Tools/", 831 $pg{specialPGEnvironmentVars}{CAPA_MCTools} = "$courseDirs{macros}/CAPA_MCTools/", 832 $pg{specialPGEnvironmentVars}{CAPA_GraphicsDirectory} = "$courseDirs{html}/CAPA_Graphics/", 833 $pg{specialPGEnvironmentVars}{CAPA_Graphics_URL} = "$courseURLs{html}/CAPA_Graphics/", 834 835 # Size in pixels of dynamically-generated images, i.e. graphs. 836 $pg{specialPGEnvironmentVars}{onTheFlyImageSize} = 400, 837 838 # To disable the Parser-based versions of num_cmp and fun_cmp, and use the 839 # original versions instead, set this value to 1. 840 $pg{specialPGEnvironmentVars}{useOldAnswerMacros} = 0; 841 842 # Strings to insert at the start and end of the body of a problem 843 # (at beginproblem() and ENDDOCUMENT) in various modes. More display modes 844 # can be added if different behaviours are desired (e.g., HTML_dpng, 845 # HTML_asciimath, etc.). These parts are not used in the Library browser. 846 847 $pg{specialPGEnvironmentVars}{problemPreamble} = { TeX => '', HTML=> '' }; 848 $pg{specialPGEnvironmentVars}{problemPostamble} = { TeX => '', HTML=>'' }; 849 850 # To have the problem body indented and boxed, uncomment: 851 852 # $pg{specialPGEnvironmentVars}{problemPreamble}{HTML} = '<BLOCKQUOTE> 853 # <TABLE BORDER=1 CELLSPACING=1 CELLPADDING=15 BGCOLOR=#E8E8E8><TR><TD>'; 854 # $pg{specialPGEnvironmentVars}{problemPostamble}{HTML} = '</TD></TR></TABLE> 855 # </BLOCKQUOTE>'; 856 857 ##### PG modules to load 858 859 # The first item of each list is the module to load. The remaining items are 860 # additional packages to import. 861 862 ${pg}{modules} = [ 863 [qw(DynaLoader)], 864 [qw(Exporter)], 865 [qw(GD)], 866 867 [qw(AlgParser AlgParserWithImplicitExpand Expr ExprWithImplicitExpand utf8)], 868 [qw(AnswerHash AnswerEvaluator)], 869 [qw(WWPlot)], # required by Circle (and others) 870 [qw(Circle)], 871 [qw(Complex)], 872 [qw(Complex1)], 873 [qw(Distributions)], 874 [qw(Fraction)], 875 [qw(Fun)], 876 [qw(Hermite)], 877 [qw(Label)], 878 [qw(List)], 879 [qw(Match)], 880 [qw(MatrixReal1)], # required by Matrix 881 [qw(Matrix)], 882 [qw(Multiple)], 883 [qw(PGrandom)], 884 [qw(Regression)], 885 [qw(Select)], 886 [qw(Units)], 887 [qw(VectorField)], 888 [qw(Parser Value)], 889 [qw(Parser::Legacy)], 890 ]; 891 892 ##### Answer evaluatior defaults 893 894 $pg{ansEvalDefaults} = { 895 functAbsTolDefault => .001, 896 functLLimitDefault => .0000001, 897 functMaxConstantOfIntegration => 1E8, 898 functNumOfPoints => 3, 899 functRelPercentTolDefault => .1, 900 functULimitDefault => .9999999, 901 functVarDefault => "x", 902 functZeroLevelDefault => 1E-14, 903 functZeroLevelTolDefault => 1E-12, 904 numAbsTolDefault => .001, 905 numFormatDefault => "", 906 numRelPercentTolDefault => .1, 907 numZeroLevelDefault => 1E-14, 908 numZeroLevelTolDefault => 1E-12, 909 useBaseTenLog => 0, 910 defaultDisplayMatrixStyle => "[s]", 911 }; 912 913 ################################################################################ 914 # Compatibility 915 ################################################################################ 916 917 # Define the old names for the various "root" variables. 918 $webworkRoot = $webworkDirs{root}; 919 $webworkURLRoot = $webworkURLs{root}; 920 $pgRoot = $pg{directories}{root};
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